• +30 2310 498112
  • Mon - Fri 8:00 - 16:00 (GMT +2)


ISFTA sector used to be the main Greek entity for the promotion of research and technological development, aiming at the improved and integrated exploitation of solid fuels. Following the national strategy for delignification in Greece and the recent technological advancements in Energy and the Environment, ISFTA sector has broadened its field of research. It indicatively includes: the utilization of green alternative fuels – mainly biofuels, the development of environmental technologies for the reduction of CO2 emissions in industry, the optimization of energy generation and industrial processes, energy saving and storage, circular economy, industrial symbiosis and the development of smart networks in autonomous energy systems, as depicted bellow:

Our vision

Ptolemais branch

building surface in an area of ​​2,5 acres

4th km. Ptolemais-Mpodosakeiou Hospital 502 00  Ptolemais

Athens branch

870 m2   52, Egialeias str., Maroussi 151 25

ISFTA performs research in the development and promotion of technologies regarding Energy, the Environment and Smart Systems.



  • New innovative technologies for energy production and storage with low or near-zero environmental footprint
  • Environmental technologies for emissions abatement, rehabilitation of contaminated soils and optimal waste recovery/reuse in accordance with the principles of Circular Economy
  • Physicochemical analyses at laboratory level through specialized equipment, energy efficiency measurements and on-site monitoring of pollutants
  • Modeling and optimization of advanced energy systems and networks for electricity & cooling / heating production
  • Smart cities and neighborhood networks with a positive energy balance and a low environmental footprint
  • Development of circular economy applications including life cycle assessment (LCA), life cycle cost (LCC) and social life cycle acceptance (sLCA)
  • Identification and utilization of critical mineral raw materials
  • Partnerships with public and private stakeholders in order to develop research and innovation projects related to smart energy, circular economy, conservation of natural ecosystems, bio-economy with emphasis on areas of transition to new energy and productive models



Scientific Responsible in CPERI's branches (Athens &. Ptolemaida)

Dr. P. Grammelis, Director of Research


Giannakopoulos Dionysis
Principal Researcher, Dr. Mechanical Engineer
(+30) 211 1069503
Koukouzas Nikolaos
Research Director, Dr. Geologist
(+30) 211 1069502
Nikolopoulos Nikolaos
Principal Researcher, Dr. Mechanical Engineer
(+30) 211 1069506
Panopoulos Kyriakos
Principal Researcher, Dr. Chemical Engineer
(+30) 210 6899689, (+30) 2310 498332
Rakopoulos Dimitrios
Associate Researcher, Dr. Mechanical Engineer
(+30) 210 6899689

Collaborating Faculty Members

Zevgolis Ioannis
Miner Engineer, PhD
(+30) 211 1069544
Kakaras Emmanouil
Professor, Mechanical Engineer Dept., NTUA
(+30) 211 1069500
Koutsovitis Petros
Geologist, PhD
(+30) 211 1069544

Scientific Personnel

Almpanis Petros
Civil Engineer
(+30) 2463 055300
Antonopoulou Christina
Chemical Engineer, MSc
(+30) 211 1069519
Amarantos Panagiotis
Chemical Engineer
(+30) 24630 55300
Apostolopoulos Vasilis
Civil Engineer
(+30) 211 1069538
Badouna Ioanna
Geologist, MSc
(+30) 211 1069544
Bakoyianni Eleftheria
(+30) 24630 55300
Boukis Filippos
Miner Engineer
Dallas Petros
Mechanical Engineer, MSc
(+30) 24630 55300
Bebis Thomas
Christidou Maria
Mechanical Engineer, MSc
(+30) 24630 55300
Evangelopoulou Alexandra
Chemist, MSc
(+30) 24630 55300
Fakis Dimitrios
Electrical Engineer
(+30) 2111 069513
Fostiropoulos Stavros Rafail
(+30) 2111069512
Fotiadis Stefanos
Economist, MSc
(+30) 24630 55300
Fotopoulou Maria
Electrical Engineer
(+30) 210 6899689
Galanou Aikaterini
Miner Engineer, MSc
(+30) 211 1069500
Garidi Aggeliki
Miner Engineer, MSc.
(+30) 211 1069544
Gemeni Vasiliki
Geologist, MSc
(+30) 211 1069521
Giannotas Giwrgos
(+30) 24630 55300
Kanellis Georgios
Mechanical Engineer
(+30) 211 1069546
Kakanis Ilias
Production and Management Engineer
(+30) 2310 464162
Kapousidis Panagiotis
Technologist Mechanical Engineer, MSc
(+30) 24630 55300
Karametou Rania
Environmental Enginner, MSc
(+30) 24630 55300
Kanellia Zafeiria
Mechanical Engineer
(+30) 24630 55300
Karapanos Dimitrios
Geologist, MSc
(+30) 211 1069540
Ketikidis Chrysovalantis
Chemical Engineer, MSc
(+30) 24630 55300
Kilis Vasileios
Mechanical Engineer
Konstantinidis Konstantinos
Chemical Engineer, MSc
Kontodimos Ioannis
(+30) 24630 55300
Makris Dimitrios
Environmental & Natural Resources Engineer
Mamounakis Ioannis
Computer Scientist
(+30) 211 1069538
Makri Christina
(+30) 24630 55300
Manoukian Eleonora
Geologist, MSc
(+30) 211 1069544
Maragkoudaki Lyda
Chemical Engineer
(+30) 211 1069543
Michopoulos Apostolos
Chemist, MSc
(+30) 24630 55300
Martinopoulos Georgios
Mechanical Engineer
(+30) 2310 464162
Mikroutsikos Antonios
Civil Engineer, MSc
(+30) 211 1069528
Maropoulos Andreas
Mechanical Engineer
Moumouris Sotirios
Agronomist, MSc
(+30) 211 1069505
Moraitis Athanasios
(+30) 24630 55300
Louka Christina
(+30) 211 1069597
Lympeti Aimilia
Miner Engineer, MSc
(+30) 211 1069523
Papadelis Christos
Agronomist, MSc
(+30) 24630 55300
Papanikolaou Dimitra
Chemical Engineer, MSc
(+30) 24630 55300
Peloriadi Konstantina
Chemical Engineer
(+30) 211 1069542
Petridis Stefanos
Electrical Engineer
(+30) 210 6899689
Papastergiou Alexia
Chemical Engineer
(+30) 24630 55300
Mylona Evangelia
Energy Resources Engineer, MSc
(+30) 24630 55300
Sagani Aggeliki
Mechanical Engineer, MSc
(+30) 211 1069533
Seitaridis Andreas
Computer Scientist
(+30) 2310 464162
Stogiannis Prokopis
Chemical Engineer / Oil Engineer
(+30) 210 6899689
Stamatopoulos Panagiotis
Mathematician, MSc
(+30) 211 1069537
Stefanitsis Dionysios
Mechanical Engineer, MSc
(+30) 24630 55300
Tiptiris Ioannis
Civil Engineer, MSc
(+30) 210 6899689
Tagkoulis Nikolaos
Electrical Engineer
(+30) 211 1069524
Tsekoura Panagiota - Elpida
(+30) 2111069540
Tzelepi Vasiliki
Chemical Engineer
(+30) 211 1069512
Zestanakis Panagiotis
Electrical Engineer
Zamanidou Afroditi
Civil Engineer, MSc
(+30) 211 1069529
Zioga Aliki
(+30) 211 1069526
Zisopoulos Georgios
Mechanical Engineer
(+30) 211 1069526
Papalexis Christos
Mechanical Engineer
Zygouri Evangelia
Karampetsou Eleftheria
(+30) 2111069528
Ghika Constantina
Christopoulou Marina
Giamas Vassilios
Asimakopoulou Stamatina
(+30) 2111069522
Vamvaka Agnes
Mpatsi Anna
Sofras Ioannis
Miner Engineer
Karali Demetra
Environmental Engineer
Logothetis Ioannis

PhD Candidates

Gavidou Vasiliki
(+30) 211 1069514
Deliveris Alexandros
Miner Engineer, MSc
(+30) 211 1069523
Detsios Nikolaos
Mechanical Engineer
(+30) 211 1069516
Drosatos Panagiotis
Mechanical Engineer
(+30) 211 1069510
Zeneli Myrtw
Mechanical Engineer
(+30) 211 1069507
Iliadis Petros
Mechanical Engineer
(+30) 210 6899689
Karampinis Manolis
Chemical Engineer, MSc
(+30) 211 1069518
Karkalis Christos
Geologist, MSc
(+30) 211 1069522
Karlopoulos Evangelos
Chemical Engineer, MSc
(+30) 24630 55300
Kougioumtzis Mixalis - Alexandros
Mechanical Engineer
(+30) 211 1069534
Kourkoumpas Dimitrios
Mechanical Engineer, MSc
(+30) 211 1069507
Krassakis Pavlos
Geologist, MSc
(+30) 211 1069539
Maraslidis Georgios
Electrical Engineer, MSc
(+30) 211 1069544
Pyrgaki Konstantina
Geologist, MSc
(+30) 211 1069531

Collaborating Researchers / PhD

Aggelakoglou Komninos
Production and Management Engineer, PhD
(+30) 2310 464162
Atsonios Konstantinos
Mechanical Engineer, PhD
(+30) 211 1069508
Giourka Paraskeui
Civil Engineer, PhD
(+30) 24630 55300
Zarogiannis Theodoros
Mechanical Engineer, PhD
(+30) 211 1069507
Itskos Grigorios
Chemist, PhD
(+30) 211 1069502
Kartalidis Avraam
Mechanical Engineer, PhD
(+30) 211 1069546
Kourtzanidis Konstantinos
Mechanical, Aerospace and Plasma Engineer, MSc, PhD
(+30) 2310464162
Logothetis Ioannis
Physist, PhD
Lorentzou Souzana
Chemical Engineer, PhD
(+30) 24630 55300
Margaritis Nikos
Mechanical Engineer, PhD
(+30) 24630 55300
Mpoutikos Panagiotis
Chemical Engineer, PhD
(+30) 211 1069541
Mavromatidis Fotis
Economist, PhD
(+30) 2310 498134
Mitsotakis Adamis
Political Scientist, PhD
(+30) 211 1069535
Petrounias Petros
Geologist, PhD
(+30) 211 1069544
Sougkakis Vasileios
Environmental Engineer, PhD
(+30) 24630 54679
Theocharis Alexandros
Civil Engineer, PhD
(+30) 211 1069565
Tsalkatidou Marina
Chemical Engineer, PhD
(+30) 24630 54679
Tyrologou Pavlos
Geologist, PhD
(+30) 211 1069525

Administrative Staff

Anagnostopoulou Elisavet
Business Administration
(+30) 211 1069545
Karaiskou Ioanna
Business Administration
(+30) 211 1069549
Karella Maria
(+30) 211 1069500
Koutsianou Sofia
Accountant Assistant
(+30) 24630 55300
Kotidis Christos
(+30) 24630 55300
Pitsiava Chrysa
(+30) 24630 55300
Tentokali Zoi
Electrical Engineer
(+30) 211 1069524


Pilot units

• Continuous operation bioreactors for biogas production from agro-livestock waste

Continuous and Full Mixing Reactor (CSTR) for Anaerobic and Aerobic Digestion (30 lt & 5lt) with the following modifications if needed:

  • Fixed Bed Reactor (PBR)
  • Sludge Upward Flow Reactor (UASB)

Each reactor consists of a cylindrical stainless steel container, with an outer casing for heating and cooling. It has a stirrer, gas and liquid sampling points, as well as meters of operating parameters.

Analytical equipment

The Laboratory in Ptolemaida supports the Institute's research work by performing and evaluating analyses tests on solid fuel samples including biomass and solid recovered fuels (SRF). Having as a target the improvement of its services, from the end of 2013, the laboratory applies a quality management system in accordance with the requirements of ELOT EN ISO / IEC 17025 (Certificate No. ESYD 894). In addition, the operation of the Standard Chemical Laboratory of Northern Greece of PPC SA is supported.

Below, an Indicative list of laboratory instruments is given:

• Mercury analyzer

This instrument is an atomic absorption spectrometer with a mercury lamp, suitable for the analysis of solid, liquid and gaseous samples. It does not require special sample pretreatment and the analysis is completed in a short time (<10 min) and with high accuracy. The required operating range is about 30 ppt to 10 ppm.

Equipment for site measurements

• UAV - Drones with adapted metering equipment and high resolution camera

Unmanned Aircraft (UAV) - Drone UAV with adapted metering equipment suitable for the characterization of ambient air quality.

Current Research Projects

European Union
Accelerating CCS technologies as a new low-carbon energy vector – (ACT) 2016-2021
Ni-based alloys for Operation of 725 °C Power Plants (NIBALO725) 2016-2021
SMart IsLand Energy systems (SMILE) 2017-2021
Integrated Smart GRID Cross-Functional Solutions for Optimized
Synergetic Energy Distribution, Utilization Storage Technologies (inteGRIDy)
Low-cost, carbon positive bioethanol production with innovative Green Floating Filters in multiple water bodies (LIFE BIOMASS C+) 2017-2021
(SEADRION) - Fostering diffusion of Heating & Cooling technologies using the seawater pump in the Adriatic-Ionian Region 2018-2021
Biofuels Research Infrastructure for Sharing Knowledge II - (BRISK II) 2017-2022
PLUG-N-play passive and active multi-modal energy HARVESTing systems, circular economy by design, with high replicability for Self-sufficient Districts Near-Zero Buildings (PLUG-N-HARVEST) 2017-2021
Integrated and Replicable Solutions for Co-Creation in Sustainable Cities (IRIS) 2017-2022
“Boosting the financing of innovation for green growth sectors through innovative clusters services in the MED area” - (finMED) 2018-2022
Boosting new Approaches for flexibility Management By Optimizing process Off-gas and waste use (Bamboo) 2018-2021
(BIOFIT) - Bioenergy retrofits for Europe’s industry 2018-2021
(AgroBioHeat) - Promoting the penetration of agrobiomass heating in European rural areas 2019-2021
(LIG2LIQ) Cost Effective Conversion of Lignite and Waste to Liquid Fuels 2018-2021
Chemical Looping gAsification foR sustainAble production of biofuels (CLARA) 2018-2022
Strategic Planning of regions and territories in Europe for low-carbon energy and industry through ( CCUS-STRATEGY CCUS ) 2019-2022
(INSULAE) - Maximizing the impact of innovative energy approaches in the EU islands 2019-2023
(RENAISSANCE) - RENewAble Integration and SuStainAbility iN energy CommunitiEs 2019-2022
New Energy Solutions Optimized for Islands - (NESOI) 2019-2023
Risk Assessment of Final Pits During Flooding - (RAFF) 2019-2021
Sustainable Use of Mining Waste Dumps - (SUMAD) 2019-2021
The impact of EXtreme weather events on MINing operations - (TEXMIN) 2019-2022
 Coal-to-liquids supply chain integration in view of operational, economic and environmental risk assessments under unfavourable geological settings (ODYSSEUS) 2019-2022
Development of a new burner concept: Industry 4.0 technologies applied to the best available combustion system for the Steel Industry - (BURNER 4.0) 2019-2022
Interoperable tools for an efficient management and effective planning of the electricity grid (INTERPRETER) 2019-2023
MINImal Size Thermal and Electrical Energy STORage System for In-Situ Residential Installation - (MINISTOR) 2019-2023
(MUSIC) Market Uptake Support for Intermediate Bioenergy Carriers 2019-2023
A POsitive Energy CITY Transformation Framework - (POCITYF) 2019-2024
FLExibilize combined cycle power plant through power-to-X solutions using non-CONventional FUels (FLEXnCONFU) 2020-2024
BIOfuels production from Syngas FERmentation for Aviation and maritime use - (BioSFerA) 2020-2024
An augmented intelligence-enabled stimulating framework for deep energy renovation delivering occupant-centered innovations - (RINNO) 2020-2024
Europe’s single biggest citizen-driven initiative to plant and monitor 500 million trees to mitigate climate change-(LIFE TERRA) 2020-2025
Re-purposing Coal Power Plants during Energy Transition (RECPP) 2020-2022
100% Renewable Energies for Energy Intensive Industries- (RE4Industry) 2020-2023
BECoop: Unlocking the community energy potential to support the market uptake of bioenergy heating technologies 2020-2023
integRatEd Solutions for POsitive eNergy and reSilient CitiEs (RESPONSE) 2020-2025
SOLAR based sCO2 Operating Low-cost plants (SOLARSCO2OL) 2020-2024
ECO-innovative Energy FACTory Management System based on enhanced LCA and LCCA towards resource-efficient manufacturing (ECOFACT) 2020-2024
IntegrAted SolutioNs for the DecarbOnization and Smartification of Islands (IANOS) 2020-2024
Towards Intelligent DC-based hybrid Grids Optimizing the network performance (TIGON) 2020-2024
Architecture for Unified Regional and Open digital ecosystems for Smart Communities and wider Rural Areas Large scale application (AURORAL) 2020-2024
CarbOn Neutral cluSters through Electricity-based iNnovations in Capture, Utilisation and Storage (ConsenCUS) 2020-2025
Supercritical CO2 power cycles demonstration in Operational environment Locally valorising industrial Waste Heat (CO2OLHEAT) 2021-2025
Production of modified asphalt and increase in recycling rate of reclaimed asphalt pavement (RAP) by using End of Life Tyres (ELT)RAP-ELT RETIRE 2018-2021
Production of modified asphalt and increase in recycling rate of reclaimed asphalt pavement (RAP) by using End of Life Tyres (ELT) RAP-ELT ECOELASTIKA 2018-2021
DeCarb IΙ
Provision of Technical Advisory Services to the ROP of Western Macedonia
Provision of Scientific Support Services for the Employee Training and Certification on COLD SUPPLY CHAINS »- ASSOCIATION OF COLD STORAGE COMPANIES 2018 2018-2021
Provision of technical consulting services to the Regional Association of Municipalities of Western Macedonia -DeCarb 2018-2021
ENerG Secretariat 2019-2022
Evaluation of alternative scenarios for responding to immediate and medium-term needs for Ptolemais district heating and identifying optimal solutions 2019-2021
Laboratory analyzes of samples of biomass based on international or European standards adopted by ELOT (Hellenic Organization for Standardization S.A.) for solid biofuels-BioKAPE 2019-2021
Study of the chemical composition of mechanical recycling products - Laboratory Analyses and Results Evaluation 2019-2021
Optimization of the flow within EPALME aluminium billet homogenizing furnace 2020-2021
Providing Consulting Services for the autonomous operation of Megalopolis district heating using alternative fuel to meet the thermal needs of the city 2020-2021
Study for the elaboration of a Roadmap for the Certification and physical inspection for the Verification of the propulsion engine power of fishing vessels, pursuant to Regulation (EC) No 1224/2009 and Implementing Regulation (EU) No 404/2011 2020-2021
Chemical analyses of fossil fuels and mineral materials at the Model Chemical Laboratory of Nothern Greece according to  EN ISo 17025 procedures - Power Plant Kardias 2020-2021
Preparation of Technical Specifications for the tender notice regarding the choice of contractor of the Energy System in the boiler room of the District heating of Megalopolis 2020-2021
Development of a standardized methodology concerning the ELVs treatment, including the stages of the receiving-decontamination of the ELVs, the shredding process for the recovery of metals and the fluff treatment for the production of an alternative fuel 2020-2022
National Projects
Predictive Hybrid Autonomous Energy TOrrent Networking Solution-(PhaetonS) 2018-2021
Enforcement of CERTH/CPERI's infrastructure 2018-2021

Bioproduction System for Circular Precision Farming -(BIOCIRCULAR)

Advanced Indirectly Heated Carbonate Looping Process (ANICA) 2019-2022

Accelerating Carbon Capture using Oxyfuel Technology in Cement Production (AC2OCem)

Innovative protective coatings for energy and resource efficiency applications in power plants (CREATION) 2019-2022

New Technologies and Innovative Approaches in Relation to Agri-Food and Tourism to Enhance Regional Excellence in Western Macedonia / (AGROTOUR)

Development of new innovative energy technologies of low carbon footprint for the enhancement of excellence in the Region of Western Macedonia (EXCEL‐W‐Mac) 2020-2023

(ELECTRON)- Laboratory of excellence for monitoring the environmental impact of transport and the promotion of ELECTROMOTION in Island areas



  1. Kougioumtzis, M.A., Kanaveli, I.P., Karampinis, E., Grammelis, P., Kakaras, E. (2021),  “Combustion of olive tree pruning pellets versus sunflower husk pellets at industrial boiler. Monitoring of emissions and combustion efficiency”, Renewable Energy, 171, pp. 516–525

  2.  Nikolopoulos, A., Samlis, C., Zeneli, M., Nikolopoulos, N., Karellas, S., Grammelis, P. (2021), “Introducing an artificial neural network energy minimization multi-scale drag scheme for fluidized particles”, Chemical Engineering Science, 2021, 229, 116013

  3.  Chapaloglou, S., Nesiadis, A., Atsonios, K., Nikolopoulos, N., Grammelis, P., Carrera, A., Camara, O. (2021), “Microgrid energy management strategies assessment through coupled thermal-electric considerations”, Energy Conversion and Management, 2021, 228, 113711

  4.  Stamatopoulos, P., Zeneli, M., Nikolopoulos, A., Bellucci, A., Trucchi, D.M., Nikolopoulos, N. (2021), “Introducing a 1D numerical model for the simulation of PN junctions of varying spectral material properties and operating conditions”, Energy Conversion and Management, 2021, 230, 113819

  5.  Stefanitsis, D., Koukouvinis, P., Nikolopoulos, N., Gavaises, M. (2021), “Numerical Investigation of the Aerodynamic Droplet Breakup at Mach Numbers Greater Than 1”, Journal of Energy Engineering, 2021, 147(1), 04020077

  6.  Kartalidis, A., Atsonios, K., Nikolopoulos, N. (2021),  “Enhancing the self-resilience of high-renewable energy sources, interconnected islanding areas through innovative energy production, storage, and management technologies: Grid simulations and energy assessment”, International Journal of Energy Research, 2021

  7.  Fostiropoulos, S., Strotos, G., Nikolopoulos, N., Gavaises, M. (2021), “A simple model for breakup time prediction of water-heavy fuel oil emulsion droplets”, International Journal of Heat and Mass Transfer, 2021, 164, 120581

  8.  Deliveris, A. V., Zevgolis, I.E., Koukouzas, N.C.(2021), "Progressive Failure of Slopes: Stochastic Simulation Based on Transition Probabilities and Markov Chains.", Geotechnical and Geological Engineering.

  9.  Koutsovitis, P., Koutsovitis, P., Soukis, K., Voudouris, P., Lozios, S., Ntaflos Th., Stouraiti Ch., Koukouzas, N.(2021), "The Late Cretaceous magmatic arc of the south Aegean: Geodynamic implications from petrological and geochemical studies of granitoids from Anafi island (Cyclades–Greece)." International Geology Review.

  10.  Theocharis, A. I., Zevgolis, I.E., Koukouzas, N.C. (2021), "Α comprehensive geotechnical characterisation of overburden material from lignite mine excavations", Geomechanics and Geophysics for Geo-Energy and Geo-Resources 7(2).

  11.  Kosmadakis, G. M., et al. (2021), "Assessing the cyclic-variability of spark-ignition engine running on methane-hydrogen blends with high hydrogen contents of up to 50%",  International Journal of Hydrogen Energy

  12.  Rakopoulos, D. C. (2021), "Effects of Exhaust Gas Recirculation under Fueling Rate or Air/Fuel Ratio-Controlled Strategies on Diesel Engine Performance and Emissions by Two-Zone Combustion Modeling", Journal of Energy Engineering 147(1).

  13. Zevgolis, I.E., Theocharis, A.Ι., Deliveris, A.V., Koukouzas, N.C., Roumpos, C., Marshall, A.M. (2021). "Geotechnical characterization of fine-grained spoil material from surface coal mines", Journal of Geotechnical and Geoenvironmental Engineering, Volume 147 Issue 7, July 2021.

  14. Mikroutsikos, A., Theocharis, A.I., Koukouzas, N.C., Zevgolis, I.E. (2021). Slope stability of deep surface coal mines in the presence of a weak zone, Geomechanics and Geophysics for Geo-energy and Geo-resources, 7(3) 66.

  15. Koukouzas, N.; Tyrologou, P.; Karapanos, D.; Carneiro, J.; Pereira, P.; de Mesquita Lobo Veloso, F.; Koutsovitis, P.; Karkalis, C.; Manoukian, E.; Karametou, R. Carbon Capture, Utilisation and Storage as a Defense Tool against Climate Change: Current Developments in West Macedonia (Greece). Energies 2021, 14, 3321

  16. Nomikou, P.; Krassakis, P.; Kazana, S.; Papanikolaou, D.; Koukouzas, N.  (2021) "The Volcanic Relief within the Kos-Nisyros-Tilos Tectonic Graben at the Eastern Edge of the Aegean Volcanic Arc, Greece and Geohazard Implications" Geosciences 11, no. 6: 231.

  1. Kienzl, N., et al. (2020), "Applicability of Torrefied Sunflower Husk Pellets in Small and Medium Scale Furnaces.", Waste and Biomass Valorization
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  3. Nazos, A., et al. (2020), "Acid-catalyzed wet torrefaction for enhancing the heating value of barley straw.", Energies 13(7)
  4. Suardi, A., et al. (2020), "Machine performance and HOG fuel quality evaluation in olive tree pruning harvesting conducted using a towed shredder on flat and hilly fields.", Energies 13(7)
  5. Koytsoumpa, E. I., et al. (2020), "Modelling of methanol production via combined gasification and power to fuel"  Renewable Energy 158: 598-611
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  15. P. Lampropoulou, P. Petrounias, P. Giannakopoulou, A. Rogkala, N. Koukouzas, B. Tsikouras, K. Hatzipanagiotou (2020). "The effect of chemical composition of ultramafic and mafic aggregates on their physicomechanical properties as well as on the produced concrete strength". Minerals, 10 (5), 406
  16. P. Petrounias, A. Rogkala, P. Giannakopoulou, P. Lambropoulou, P. Koutsovitis, N. Koukouzas, N. Laskaris, P. Pomonis, K. Hatzipanagiotou (2020). "Removal of Cu (II) from industrial wastewater using mechanically activated serpentinite". Energies, 13 (9), 2228
  17. P. Petrounias, P. Giannakopoulou, A. Rogkala, M. Kalpogiannaki, P. Koutsovitis, M. Damoulianou, N. Koukouzas (2020). "Petrographic characteristics of sandstones as a basis to evaluate their suitability in construction and energy storage applications". A case study from Klepa Nafpaktias (Central Western Greece). Energies, 13, 5, 1119
  18. A. Deliveris, I. Zevgolis,, N. Koukouzas (2020) "Probabilistic Evaluation of Local Overstress on Slope Stability Problems",  Geotechnical and Geological Engineering, 1-16
  19. D. Mitrogiannis, M. Psychoyou, M. Kornaros, K. Tsigkou, M. Brule, N. Koukouzas, D. Alexopoulos, D. Palles, E. Kamitsos, G. Oikonomou, A. Papoutsa, S. Xydous, I. Baziotis (2020). "Calcium-modified clinoptilolite as a recovery medium of phosphate and potassium from anaerobically digested olive oil mill wastewater", Environmental Science and Pollution Research 27 (3), 2977-2991
  20. Kafetzis, A., et al. (2020). "Energy management strategies based on hybrid automata for islanded microgrids with renewable sources, batteries and hydrogen.", Renewable and Sustainable Energy Reviews 134
  21. Karasavvas, E., et al. (2020). "Energy and exergy analysis of the integration of concentrated solar power with calcium looping for power production and thermochemical energy storage", Renewable Energy 154: 743-753
  22. Zaccara, A., et al. (2020). "Renewable hydrogen production processes for the off-gas valorization in integrated steelworks through hydrogen intensified methane and methanol syntheses", Metals 10(11): 1-24
  23. I. Violidakis, K. Atsonios, P. Iliadis, N. Nikolopoulos(2020), "Dynamic modeling and energy analysis of renewable heating and electricity systems at residential buildings using phase change material based heat storage technologies", Journal of Energy Storage 32  101942
  24. S. Ntomalis, , P. Iliadis, K. Atsonios, A. Nesiadis, N. Nikolopoulos, P. Grammelis (2020), "Dynamic Modeling and Simulation of Non-Interconnected Systems under High-RES Penetration: The Madeira Island Case", Energies , 13, 5786
  25. S. Fostiropoulos, G. Strotos, N. Nikolopoulos, M. Gavaises. "Numerical investigation of heavy fuel oil droplet breakup enhancement with water emulsions". Fuel, vol. 278, (2020), 118381
  26. D. Stefanitsis, A. Nesiadis, K. Koutita, A. Nikolopoulos, N. Nikolopoulos, J. Peters, J. Ströhle and B. Epple. "Simulation of a CFB Boiler Integrated With a Thermal Energy Storage System During Transient Operation". Frontiers in Energy Research, 8 (2020), 169
  27. I. Violidakis, M. Zeneli, K. Atsonios, G. Strotos, N. Nikolopoulos, S. Karellas. "Dynamic modelling of an ultra high temperature PCM with combined heat and electricity production for application at residential buildings", Energy and Buildings, 222, (2020), Article number 110067
  28. V. Tzelepi, M. Zeneli, D.-S. Kourkoumpas, E. Karampinis, A. Gypakis, N. Nikolopoulos and P. Grammelis. "Biomass Availability in Europe as an Alternative Fuel for Full Conversion of Lignite Power Plants: A Critical Review", Energies 2020, 13, 3390
  29. P. Iliadis, S. Ntomalis, K. Atsonios, A. Nesiadis, N. Nikolopoulos, P. Grammelis. "Energy management and techno-economic assessment of a predictive battery storage system applying a load levelling operational strategy in island systems", International Journal og Energy Research, (2020), 45, (2), pp. 2709-2727
  30. K. Atsonios, A. Nesiadis, N. Detsios, K. Koutita, N. Nikolopoulos, P. Grammelis. ''Review on dynamic process modeling of gasification based biorefineries and bio-based heat & power plants'', Fuel Processing Technology, 197 (2020) 106188
  31. V. Sougkakis, K. Lymperopoulos, N. Nikolopoulos, N. Margaritis, P. Giourka, K. Angelakoglou. "An Investigation on the Feasibility of Near-Zero and Positive Energy Communities in the Greek Context", Smart Cities, (2020), 3, 362–384, doi:10.3390/smartcities3020019
  32. K. Angelakoglou, K. Kourtzanidis, P. Giourka, V. Apostolopoulos, N. Nikolopoulos and J. Kantorovitch. ''From a Comprehensive Pool to a Project-Specific List of Key Performance Indicators for Monitoring the Positive Energy Transition of Smart Cities— An Experience-Based Approach", Smart Cities 2020, 3, (3), 705–735; doi:10.3390/smartcities3030036
  33. P. Giourka, V. Apostolopoulos, K. Angelakoglou, K. Kourtzanidis, N. Nikolopoulos, V. Sougkakis, F. Fuligni, S. Barberis, K. Verbeek, J. M. Costa and J. Formiga. "The Nexus between Market Needs and Value Attributes of Smart City Solutions towards Energy Transition", An Empirical Evidence of Two European Union (EU) Smart Cities, Evora and Alkmaar. Smart Cities, (2020), 3, pp. 604-641, doi:10.3390/smartcities3030032
  34. K. Atsonios, A. Nesiadis, N. Detsios, K. Koutita, N. Nikolopoulos, P. Grammelis. "Review on dynamic process modeling of gasification based biorefineries and bio-based heat & power plants", Fuel Processing Technology, 197, (2020), 106188
  35. I. Avagianos, D. Rakopoulos, S. Karellas and E. Kakaras
    “Review of Process Modeling of Solid-Fuel Thermal Power Plants for Flexible and Off-Design Operation”, Energies, MDPI, Vol. 13, No. 24, Article Number 6587, December 2020.
    Special Issue on “Storages and Power Plant Flexibility for Improving Renewable Energy Penetration”.
  36. Atsonios et al. (2020) “Technical assessment of LNG based polygeneration systems for non-interconnected island cases using SOFC”, International Journal of Hydrogen Energy 46(6) 4827-4843      
      1. Pramangioulis, D., Atsonios, K., Nikolopoulos, N., Rakopoulos, D., Grammelis, P., Kakaras, E., "A Methodology for Determination and Definition of Key Performance Indicators for Smart Grids Development in Island Energy Systems", Energies Volume: 12 Issue: 2 Published: 2019, DOI: 10.3390/en1202024
      2. Chapaloglou, S., Nesiadis, A., Iliadis, P., Iliadis, P, Atsonios, K., Nikolopoulos, N., Grammelis, P., Yiakopoulos, C., Antoniadis, I., Kakaras, E., "Smart energy management algorithm for load smoothing and peak shaving based on load forecasting of an island's power system", Applied Energy Volume: 238 Pages: 627-642 Published: 2019, DOI: 10.1016/j.apenergy.2019.01.10
      3. Halina Pawlak–Kruczek, Michał Czerep, Lukasz Niedzwiecki, Emmanouil Karampinis, Ioannis Violidakis, Ioannis Avagianos and Panagiotis Grammelis, "Drying of Lignite of Various Origins in a Pilot Scale Toroidal Fluidized Bed Dryer using Low Quality Heat",  Energies 2019, 12(7), 1191; doi:10.3390/en12071191
      4. M. Zeneli, I. Malgarinos, A. Nikolopoulos, N. Nikolopoulos, P. Grammelis, S. Karellas, E. Kakaras, "Numerical simulation of a silicon-based latent heat thermal energy storage system operating at ultra-high temperatures", Applied Energy 242 (2019) 837-853
      5. I. Avagianos, I. Violidakis, E. Karampinis, D. Rakopoulos, E. Nanos, N. Polonidis, C. Papapavlou, P. Grammelis and E. Kakaras, "Thermal Simulation and Economic Study of Predried Lignite Production Retrofit of a Greek Power Plant for Enhanced Flexibility",  Journal of Energy Engineering, Vol. 145, Issue 2, April 2019, Article number 04019001
      6. Stefanitsis, D., Strotos, G., Nikolopoulos, N., Kakaras, E., Gavaises, M., "Improved droplet breakup models for spray applications" , International Journal of Heat and Fluid Flow, Volume 76, April 2019, Pages 274-286
      7. Stefanitsis, D., Malgarinos, I., Strotos, G., Nikolopoulos, N., Kakaras, E., Gavaises, M. "Numerical investigation of the aerodynamic breakup of droplets in tandem", International Journal of Multiphase Flow, Volume 121, December 2019, 103123

      8. Angelakoglou, K., Nikolopoulos, N., Giourka, P., Svensson I.L., Tsarchopoulos P., Tryferidis A., Tzovaras D., “A methodological framework for the selection of key performance indicators to assess smart city solutions”, Smart Cities, Volume 2, Pages 269-306

      9. Giourka P., Sanders M. W. J. L., Angelakoglou K., Pramangioulis D., Nikolopoulos N., Rakopoulos D., Tryferidis A., Tzovaras D., “The smart city business model canvas—A smart city business modeling framework and practical tool”, Energies, Volume 12, Issue 24, 16 December 2019, Article number 4798

      10. Stefanitsis D., Strotos G., Nikolopoulos N., Gavaises M., “Numerical investigation of the aerodynamic breakup of a parallel moving droplet cluster”, International Journal of Multiphase Flow, Volume 121, December 2019, Article number 103123

      11. Stamatopoulos P., Drosatos P., Nikolopoulos N., Rakopoulos D., “Determination of a methodology to derive correlations between window opening mass flow rate and wind conditions based on cfd results”, Energies, Volume 12, Issue 9, 2019, Article number 1600

      12. Rakopoulos C.D., Rakopoulos D.C., Kosmadakis, G.M. and Papagiannakis R.G., “Experimental Comparative Assessment of Butanol or Ethanol Diesel-Fuel Extenders Impact on Combustion Features, Cyclic Irregularity, and Regulated Emissions Balance in Heavy-Duty Diesel Engine”, Energy – The International Journal, Elsevier Science, Vol. 147, pp. 1145-1157, 1 May 2019

      13. Rakopoulos C.D., Kyritsis D.C. and Rakopoulos D.C., “Engine and Power Plant Combustion Technologies for Sustainability” (EDITORIAL), Journal of Energy Engineering, Transactions of the American Society of Civil Engineers (ASCE), Vol. 145, No. 5, Article ID: 02019001, October 2019.

      14. Kosmadakis G.M., Rakopoulos D.C. and Rakopoulos C.D., “Performance and emissions of a methane-fueled spark-ignition engine under consideration of its cyclic variability by using a computational fluid dynamics code”, FUEL, Elsevier Science, Vol. 258, Article Number 116154, 15 December 2019.

      15. Koukouzas, N., Koutsovitis, P., Tyrologou, P., Karkalis, C., Arvanitis, A., "Potential for mineral carbonation of CO2 in Pleistocene basaltic rocks in Volos region (Central Greece)",  Minerals, 9 (10), 627, 1-17 Published: 2019

      16. Masoudian, M., Zevgolis, I., Deliveris, A., Marshall, A., Heron, C., Koukouzas, N., "Stability and characterization of spoil heaps in European surface lignite mines: a state-of-the-art review in light of new data", Environmental Earth Sciences 78 (16), 505 Published: 2019

      17. Koukouzas, N.,  Krassakis, P., Koutsovitis, P., Karkalis, C., " An integrated approach to the coal deposits in the Mesohellenic Trough, Greece", Bulletin of the Geological Society of Greece, 54 (1), 34-59 Published: 2019
      18. Zevgolis, I., Deliveris, A.,  Koukouzas, N., "Slope failure incidents and other stability concerns in surface lignite mines in Greece", Journal of Sustainable Mining. 18 (4), 182-197 Published: 2019
      19. Koukouzas, N.,  Krassakis, P., Koutsovitis, P., Karkalis, C., "An integrated approach to the coal deposits in the Mesohellenic Trough, Greece", Bulletin of the Geological Society of Greece, 54 (1), 34-59 Published: 2019
      20. Krassakis, P., Kazana, S., Chen, F., Koukouzas, N., Parcharidis, I., Lekkas, E., "Detecting subsidence spatial risk distribution of ground deformation induced by urban hidden streams",  Geocarto International, 1-18 Published: 2019
      21. Gombert, P., Sracek, O., Koukouzas, N., Gzyl, G., Tuρon Valladares, S., Frączek, R., Klinger, C., Bauerek, A., Αlvarez Areces, J. E., Chamberlain, S., Paw, K., Pierzchała, L., “An Overview of Priority Pollutants in Selected Coal Mine Discharges in Europe”, Mine Water and the Environment, 38 (2), 16–23 Published: 2019
  1. Drosatos, P., Nikolopoulos, N., Karampinis, E., Grammelis, P., Kakaras, E.,  "Comparative investigation of a co-firing scheme in a lignite-fired boiler at very low thermal-load operation using either pre-dried lignite or biomass as supporting fuel", Fuel Processing Technology Volume: 180 Pages: 140-154 Published: 2018, DOI: 10.1016/j.fuproc.2018.08.011
  2. Fuller, A.; Maier, J.; Karampinis, E.; Kalivodova, J., Grammelis, P., Kakaras, E., Scheffknecht, G.N., "Fly Ash Formation and Characteristics from (co-)Combustion of an Herbaceous Biomass and a Greek Lignite (Low-Rank Coal) in a Pulverized Fuel Pilot-Scale Test Facility", Energies Volume: 11 Issue: 6 Published: 2018, DOI: 10.3390/en11061581
  3. P. Grammelis, N. Margaritis and D.-S. Kourkoumpas. (2018) in: Dincer, I. (ed.), “Pyrolysis Energy Conversion Systems”, Comprehensive Energy Systems. vol. 4, pp. 1065–1106. Oxford: Elsevier
  4. D.-S. Kourkoumpas, G. Benekos, N. Nikolopoulos, S. Karellas, P. Grammelis, E. Kakaras, "A review of key environmental and energy performance indicators for the case of renewable energy systems when integrated with storage solutions", Applied Energy 231 (2018) 380-398
  1. Nikolopoulos, A., Stroh, A., Zeneli, M., Alobaid, F., Nikolopoulos, N., Ströhle, J., Karellas, S., Epple, B., Grammelis P., "Numerical investigation and comparison of coarse grain CFD – DEM and TFM in the case of a 1 MWth fluidized bed carbonator simulation", Chemical Engineering Science, Volume 163, 2017, Pages 189-205
  2. P. Drosatos, N. Nikolopoulos, A. Nikolopoulos, Ch. Papapavlou, P. Grammelis, E. Kakaras, "Numerical examination of an operationally flexible lignite-fired boiler including its convective section using as supporting fuel pre-dried lignite", Fuel Processing Technology, Volume 166, November 2017, Pages 237-257
  3. Karellas, S., Giannakopoulos, D., Hatzilau, C.-S., Dolianitis, I., Skarpetis, G., Zitounis, T., "The potential of WHR/batch and cullet preheating for energy efficiency in the EU ETS glass industry and the related energy incentives", Energy Efficiency pp 1-15, 2017
  4. S. Chapaloglou, A. Nikolopoulos, N. Nikolopoulos, S. Karellas, P. Vourliotis, "Numerical analysis of a GPHE's hydrodynamic and thermal characteristics, by applying an iterative procedure for the thermal boundary conditions", International Journal of Heat and Mass Transfer, 118, (2018), 88-102
  5. D. Stefanitsis, I. Malgarinos, G. Strotos, N. Nikolopoulos, E. Kakaras, M. Gavaises, "Numerical investigation of the aerodynamic breakup of Diesel and heavy fuel oil droplets", International Journal of Heat and Fluid Flow, 68 (Supplement C), (2017), 203-215
  6. D. Rakopoulos, I. Avagianos, D. Almpanidis, N. Nikolopoulos, P. Grammelis, "Dynamic Modeling of a Utility Once-Through Pulverized-Fuel Steam Generator", Journal of Energy Engineering, 143, Issue 3, (2017), https://doi.org/10.1061/(ASCE)EY.1943-7897.0000426
  7. M. Zeneli, A. Nikolopoulos, N. Nikolopoulos, P. Grammelis, S. Karellas, E. Kakaras, "Simulation of the reacting flow within a pilot scale calciner by means of a three phase TFM model", Fuel Processing Technology, 162, (2017), 105-125
  8. I. Avagianos, K. Atsonios, N. Nikolopoulos, P. Grammelis, N. Polonidis, Ch. Papapavlou, E. Kakaras, "Predictive method for low load off-design operation of a lignite fired power plant", Fuel, 209, (2017), 685-693
  9. P. Drosatos, S. Muhič, D. Rakopoulos, A. Gypakis, D. Papas, N. Nikolopoulos, E. Kakaras, "Numerical Investigation of a Coal-Fired Power Plant Main Furnace under Normal and Reduced-Oxygen Operating Conditions", Journal of Energy Engineering, 143, 04017050-1, (2017)
  10. I. Malgarinos, N. Nikolopoulos & M. Gavaises, "Numerical investigation of heavy fuel droplet-particle collisions in the injection zone of a Fluid Catalytic Cracking reactor, Part I: Numerical model and 2D simulations", Fuel Processing Technology, 156, (2017), 317-330
  11. I. Malgarinos, N. Nikolopoulos & M. Gavaises, "Numerical investigation of heavy fuel droplet-particle collisions in the injection zone of a Fluid Catalytic Cracking reactor, Part II: 3D droplet-cluster collisions", Fuel Processing Technology, 156, (2017), 43-53
  12. G. Markou, D. Mitrogiannis, V. Inglezakis, K. Muylaert, N. Koukouzas, N. Tsoukalas, E. Kamitsos, D. Palles, I. Baziotis, "Ca(OH)2 pre-treated bentonite for phosphorus removal and recovery from synthetic and real wastewater", CLEAN- Soil, Air, Water. 1700378 (1-10)
  13. N. Koukouzas, Z. Kypritidou, C. Vasilatos, N. Tsoukalas, C. Rochelle, G. Purser, "Geochemical modeling of carbonation of hydrated oil well cement exposed to CO2-saturated brine solution", Applied Geochemistry, 85, 35-48
  14. A. Domopoulou, K. Moustakas, A. Baklavaridis, N. Koukouzas, V. Karayannis, "Wastewater treatment for reuse employing industrial by-products as alternative coagulants. Desalination and Water Treatmen", Desalination and Water Treatment, 91, 1944-3994, 55-63
  15. D.Mitrogiannis, M. Psychoyou, I. Baziotis, V. Inglezakis, N. Koukouzas, N. Tsoukalas, D. Palles, E. Kamitsos, G. Oikonomou, G. Markou, "Removal of phosphate from aqueous solutions by adsorption onto Ca(OH)2 treated natural clinoptilolite", Chemical Engineering Journal, 320, 510–522
  16. Edinger, P., Grimekis, D., Panopoulos, K., Karellas, S., Ludwig, C., "Adsorption of thiophene by activated carbon: A global sensitivity analysis", Journal of Environmental Chemical Engineering 5(4), pp. 4173-4184
  17. D.-S. Kourkoumpas, G.Stamatiou, S. Karellas, P. Grammelis, E. Kakaras, "An environmental and economic evaluation of the lignite power generation system by using the life cycle analysis principles", International Journal of Global Warming 13(3-4), 2017, pp. 296-329
  18. R. Isemin, A. Mikhaleva, D. Klimova, P. Grammelis, N. Margaritis, D.-S. Kourkoumpas and V. Zaichenkoc, "Torrefaction and combustion of pellets made of a mixture of coal sludge and straw", Fuel Volume 210, 15 December 2017, Pages 859-865
  19. D. Rakopoulos, M. Agraniotis, P. Grammelis and E. Kakaras, "Efficient CHP-Plant Configuration for District Heating Systems Utilizing Low-Rank Coals", Journal of Energy Engineering Vol. 143, Issue 4 (August 2017)
  20. Section Editors: Constantine D. Rakopoulos, Dimitrios C. Kyritsis, Panagiotis Grammelis, Dimitrios C. Rakopoulos, "Special Collection on Recent Innovations in Advanced Thermal Energy Systems towards Better Utilization of Energy Resources and Cleaner Environment", Journal of Environmental Engineering, 2016-2017 special issue in JEE-ASCE, https://ascelibrary.org/page/jleed9/energy_resources_cleaner_environment
  21. K. Atsonios, M.– A. Kougioumtzis, P. Grammelis, E. Kakaras, "Process Integration of a Polygeneration Plant with Biomass/Coal Co-pyrolysis", Energy & Fuels 2017, 31 (12), 14408–14422
  1. P. Drosatos, A. Nesiadis, N. Nikolopoulos, N. Margaritis, P. Grammelis, E. Kakaras, "CFD Simulation of Domestic Gasification Boiler", Journal of Energy Engineering, Vol. 143 Issue 2, (2016), 04016052.
  2. Artiukhina, E., Grammelis, P., "Modeling of biofuel pellets torrefaction in a realistic geometry", Thermal Science Volume 20, No 4, 2016, pp. 1223-1231
  3. Vounatsos, P., Atsonios, K., Itskos, G., Agraniotis, M., Grammelis, P., Kakaras, E., "Classification of Refuse Derived Fuel (RDF) and Model Development of a Novel Thermal Utilization Concept Through Air-Gasification", Waste and Biomass Valorization Volume 7, Issue 5, 1 October 2016, Pages 1297-1308
  4. K. Atsonios, I. Violidakis, K. Sfetsioris, D.C. Rakopoulos, P. Grammelis, E. Kakaras, "Pre-dried lignite technology implementation in partial load/low demand cases for flexibility enhancement", Energy, 96 (2016) 427-436
  5. K. Atsonios, K. D. Panopoulos, P. Grammelis, E. Kakaras, "Exergetic comparison of CO2 capture techniques from solid fossil fuel power plants", International Journal of Greenhouse Gas Control 45 (2016) 106–117
  6. Ketikidis, C., Christidou, M., Papadelis, E.-C., Grammelis, P., Gypakis, A., Oberwimmer, R., Kolck, M., "Pilot applications proposal for sustainable woody biomass supply chains", International Journal of Energy Research, 2016; 40:81–90
  7. Malgarinos, I., Nikolopoulos, N. Gavaises, M., "A numerical study on droplet-particle collision dynamics", International Journal of Heat and Fluid Flow, Volume 61, Part B, October 2016, Pages 499–509
  8. Strotos, G., Malgarinos, I., Nikolopoulos, N., Gavaises, M., "Aerodynamic breakup of an n-decane droplet in a high temperature gas environment", Fuel, Volume 185, 1 December 2016, Pages 370–380
  9. Strotos, G., Malgarinos, I., Nikolopoulos, N., Gavaises, M., "Numerical investigation of aerodynamic droplet breakup in a high temperature gas environment", Fuel Volume 181, 1 October 2016, Pages 450–462
  10. Strotos, G., Malgarinos, I., Nikolopoulos, N., Gavaises, M., "Predicting droplet deformation and breakup for moderate Weber numbers", International Journal of Multiphase Flow, Volume 85, October 2016, Pages 96–109
  11. Strotos, G., Malgarinos, I., Nikolopoulos, N., Gavaises, M., "Predicting the evaporation rate of stationary droplets with the VOF methodology for a wide range of ambient temperature conditions", International Journal of Thermal Sciences
    Volume 109, November 2016, Pages 253–262
  12. P. Drosatos, N. Nikolopoulos, M. Agraniotis, and E. Kakaras, "Numerical investigation of firing concepts for a flexible Greek lignite-fired power plant", Fuel Processing Technology, 142
  13. P. Drosatos, A. Nesiadis, N. Nikolopoulos, A. Nikolopoulos, D. Rakopoulos, E. Kakaras, "Numerical Investigation of NOx Emissions for a Flexible Greek Lignite-Fired Power Plant", Journal of Energy Engineering, Transactions of the American Society of Civil Engineers (ASCE), Vol. 142, Article ID: E4015016 (2016). Special Issue on “Advanced Combustion and Fuel Technologies for Economical and Environmentally-Friendly Power Generation in Engines and Power Plants
  14. I. Dolianitis, D. GIannakopoulos, C.-S. Hatzilau, S. Karellas, E. Kakaras, E. Nikolova, G. Skarpetis, N. Christodoulou, N. Giannoulas, T. Zitounis, "Waste heat recovery at the glass industry with the intervention of batch and cullet preheating", Thermal Science 2016 OnLine-First Issue 00, Pages: 79-79, DOI: 10.2298/TSCI151127079D
  15. Atsonios, K., Panopoulos, K.D., Kakaras, E., "Investigation of technical and economic aspects for methanol production through CO2 hydrogenation", International Journal of Hydrogen Energy, Volume 41, Issue 4, 30 January 2016, Pages 2202–2214
  16. Atsonios, K., Panopoulos, K.D., Kakaras, E., "Thermocatalytic CO2 hydrogenation for methanol and ethanol production: Process improvements", International Journal of Hydrogen Energy, Volume 41, Issue 2, 12 January 2016, Pages 792–806
  17. N. Koukouzas, P. Lymperopoulos, A. Tasianas, "Safety issues when monitoring CO2 storage in the Prinos area, Greece", Bulletin of the Geological Society of Greece, Proceedings of the 14th Intern. Congress, Thessaloniki, Greece, Volume L, 2016
  18. N. Koukouzas, Z. Kypritidou, G. Purser, C. Rochelle, Ch. Vasilatos, "Geochemical modeling for the assessment of the CO2 storage potential in the Mesohellenic Trough, NW Greece", Bulletin of the Geological Society of Greece, Proceedings of the 14th Intern. Congress, Thessaloniki, Greece, Volume L, 2016
  19. S. Giannatou, Ch. Vasilatos, I. Mitsis, N. Koukouzas, G. Itskos, M. Stamatakis, "Reduction of toxic element mobility in mining soil by zeolitic amendments", Bulletin of the Geological Society of Greece, Proceedings of the 14th Intern. Congress, Thessaloniki, Greece, Volume L , 2016
  20. A.V. Deliveris, I.E. Zevgolis, N. Koukouzas, "Numerical modelling of slope stability in open pit lignite mines: A comparative study", Bulletin of the Geological Society of Greece, Proceedings of the 14th Intern. Congress, Thessaloniki, Greece, Volume L , 2016
  21. Nikolaos Koukouzas, Panagiotis Lymperopoulos, Alexandros Tasianas and Seyed Shariatipour, "Feasibility Study for The Setting Up of a Safety System for Monitoring CO2 Storage at Prinos Field, Greece", IOP Conference Series: Earth and Environmental Science, 44, 052043
  22. A. Tasianas and N. Koukouzas, "CO2 storage capacity estimate in the lithology of the Mesohellenic Trough, Greece", Energy Procedia, 86, 334-341
  23. Vamvuka, D., Sfakiotakis, S., Pazara, E., Panopoulos, K., "Kinetic modeling of five sustainable energy crops as potential sources of bioenergy", Energy Sources, Part A: Recovery, Utilization and Environmental Effects, 38(12), pp. 1812-1818
  24. D.S. Kourkoumpas, E. Papadimou, K. Atsonios, S. Karellas, P. Grammelis, E. Kakaras, "Implementation of the Power to Methanol concept by using CO2 from lignite power plants: Techno-economic investigation", International Journal of Hydrogen Energy, Volume 41, Issue 38, 15 October 2016, Pages 16674–16687, http://dx.doi.org/10.1016/j.ijhydene.2016.07.100
  1. Zeneli, M., Nikolopoulos, A., Nikolopoulos, N., Grammelis, P., Kakaras, E., "Application of an advanced coupled EMMS-TFM model to a pilot scale CFB carbonator", Chemical Engineering Science 138 · December 2015, pp. 482-498
  2. N. Nikolopoulos, A. Nesiadis, N. Margaritis, P. Grammelis, E. Kakaras., "Optimization of a log wood boiler through CFD simulation methods", Fuel Processing Technology, 137, (2015), 75-92
  3. Nikolopoulos, N., Violidakis, I., Karampinis, E., Agraniotis, M., Bergins, C., Grammelis, P., & Kakaras, E., "Report on comparison among current industrial scale lignite drying technologies (A critical review of current technologies)", Fuel, (2015), 155, 86-114
  4. K. Atsonios, M. Zeneli, A. Nikolopoulos, N. Nikolopoulos, P. Grammelis, E. Kakaras, "Calcium looping process simulation based on an advanced thermodynamic model combined with CFD analysis", Fuel, 153, (2015), 370–381
  5. K. Atsonios, P. Grammelis, S.K. Antiohos, N. Nikolopoulos, E. Kakaras, "Integration of calcium looping technology in existing cement plant for CO2 capture: Process modeling and technical considerations", Fuel, 153, (2015), 210-223
  6. K. Atsonios, I. Violidakis, M. Agraniotis, P. Grammelis, N. Nikolopoulos, E. Kakaras, "Thermodynamic analysis and comparison of retrofitting pre-drying concepts at existing lignite power plants", Applied Thermal Engineering, 74, (2015), 165-173
  7. Malgarinos I., Nikolopoulos N., & Gavaises M., "Coupling a local adaptive grid refinement technique with an interface sharpening scheme for the simulation of two-phase flow and free-surface flows using VOF methodology", Journal of Computational Physics, 300, 732-753
  8. Ketikidis, C., Christidou, M., Papadelis, E.-C., Grammelis, P., Gypakis, A., Oberwimmer, R., Kolck, M., "Pilot applications proposal for sustainable woody biomass supply chains", International Journal of Energy Research, 2016; 40:81–90
  9. Kourkoumpas, D.-S., Karellas, S., Kouloumoundras, S., Koufodimos, G., Grammelis, P., Kakaras, E., "Comparison of waste-to-energy processes by means of life cycle analysis principles regarding the global warming potential impact: Applied case studies in Greece, France and Germany", Waste and Biomass Valorization 6 (4), A016, pp. 605-621(2015)
  10. N. Margaritis, P. Dallas, P. Grammelis, D. Giannakopoulos, "Implementation of a sustainable energy action plan for municipality of Ptolemaida", International Journal of Global Warming (in press)
  11. D. Kourkoumpas, M. Karampinis, P. Grammelis, "New Power-Production Options for Biomass and Co Generation", WIREs Energy Environ 2015, 4:471–485. doi: 10.1002/wene.163
  12. C. Vasilatos, N. Koukouzas, D. Alexopoulos, "Geochemical control of Acid Mine Drainage in abandoned mines: The case of Ermioni Mine, Greece", Procedia Earth and Planetary Science, 15, 945-950
  13. Alexandros Tasianas, Nikolaos Koukouzas, "Assessing the Potential of the Mesohellenic Trough and Other Sites, in Greece, for CO2 Storage", Procedia Earth and Planetary Science, 15, 607-612
  14. G. Itskos, A. Koutsianos, N. Koukouzas, C. Vasilatos, "Zeolite development from fly ash and utilization in lignite mine-water treatment", International Journal of Mineral Processing, 139, 43-50
  15. Y. Sheng, A. Benderev, D. Bukolska, K. Eshiet, C. Dinis da Gama, T. Gorka, M. Green, N. Hristov, I. Katsimpardi, T. Kempka, J. Kortenski, N. Koukouzas, N. Nakaten, V. Sarhosis, R. Schlueter, V. Navarro Torres, A. Carina Veríssimo, V. Vesselinov, D. Yang, "Interdisciplinary Studies on the technical and economic feasibility of deep underground coal gasification with CO2 Storage in Bulgaria", Mitigation and Adaptation Strategies for Global Change, 1-33, DOI 10.1007/s11027-014-9592-1. ISSN 1381-2386
  16. D. Yang, N. Koukouzas, M. Green, Y. Sheng, "Recent Development on Underground Coal Gasification and Subsequent CO2 Storage", Journal of the Energy Institute. Accepted for publication. 05/2015;DOI:10.1016/j.joei.2015.05.004
  17. N. Koukouzas, A. Tasianas, V. Gemeni, D. Alexopoulos, C. Vasilatos, "Geological modelling for investigating CO2 emissions in Florina basin, Greece", Central European Journal of Geosciences. 7 (1) 2391-5447.
  18. J.M. West, D. Jones, N. Koukouzas et al., "Comparison of the impacts of elevated CO2 soil gas concentrations on selected European terrestrial environments", Int. J. Greenhouse Gas Control. 42, 357-371
  19. A. Tasianas and N. Koukouzas, "Assessing the potential of hydrocarbon fields and other site sin Greece as sites for CO2 storage", Energy Procedia, The 8th Trondheim Conference on Capture, Transport and Storage, June 2015, 15, 607-612
  20. Atsonios, K., Panopoulos, K.D., Bridgwater, A.V., Kakaras, E., "Biomass fast pyrolysis energy balance of a 1kg/h test rig", International Journal of Thermodynamics 18(4), pp. 267-275
  21. Atsonios, K., Kougioumtzis, M.-A., Panopoulos, K.D., Kakaras, E., "Alternative thermochemical routes for aviation biofuels via alcohols synthesis: Process modeling, techno-economic assessment and comparison", Applied Energy Volume 138, January 05, 2015, Pages 346-366
  22. Koutsoumpa, E.-I., Atsonios, K., Panopoulos, K.D., Karellas, S., Kakaras, E., Karl, J., "Modelling and assessment of acid gas removal processes in coal-derived SNG production", Applied Thermal Engineering, Volume 74, 5 January 2015, Pages 128-135
  23. Xenos, D.P., Hofmann, P., Panopoulos, K.D., Kakaras, E., "Detailed transient thermal simulation of a planar SOFC (solid oxide fuel cell) using gPROMS", Energy Volume 81, Pages 84-102, 1 March 2015
  24. Braimakis, K., Preißinger, M., Brüggemann, D., Karellas, S., Panopoulos, K., "Low grade waste heat recovery with subcritical and supercritical Organic Rankine Cycle based on natural refrigerants and their binary mixtures", Energy, 88, 80–92
  1. Nikolopoulos, A., Malgarinos, I., Nikolopoulos, N., Grammelis, P., Karellas, S., Kakaras, E., "Erratum: A decoupled approach for NOx-N2O 3-D CFD modeling in CFB plants (Fuel (2014) 115 (401-415)", Fuel, Volume 119, 1 March 2014, Page 335
  2. M. Zeneli, K. Atsonios, N. Nikolopoulos, A. Nikolopoulos, P. Grammelis, E. Kakaras, "Numerical Tools for a BFB Calciner Reactor: CFD and Thermodynamic Models", American Journal of Heat and Mass Transfer 1, February 2014, pp.1-23.
  3. Christodoulou, Chr., Tsekos, Chr., Tsalidis, G., Fantini, M., Panopoulos, K.D., De Jong, W., Kakaras, E., "Attempts on cardoon gasification in two different circulating fluidized beds",Case Studies in Thermal Engineering, Volume 4, 1 November 2014, Pages 42-52
  4. Rakopoulos, D.C. , Rakopoulos, C.D. , Giakoumis, E.G. , Dimaratos, A.M., Kakaras, E.C., "Comparative evaluation of two straight vegetable oils and their methyl ester biodiesels as fuel extenders in HDDI diesel engines: Performance and emissions, Journal of Energy Engineering, 1 September 2014, Volume 140, Issue 3, Article number A4014001
  5. Christodoulou, C., Grimekis, D., Panopoulos, K.D. , Pachatouridou, E.P., Iliopoulou, E.F., Kakaras, E., "Comparing calcined and un-treated olivine as bed materials for tar reduction in fluidized bed gasification", Fuel Processing Technology Volume 124, August 2014, pp. 275-285
  6. Drosatos, P., Nikolopoulos, N., Agraniotis, M., Itskos, G., Grammelis, P., Kakaras, E., "Decoupled CFD simulation of furnace and heat exchangers in a lignite utility boiler", Fuel, January 2014, 117 Part A, pp.633-648
  7. K. Braimakis, K. Atsonios, K. D. Panopoulos, S. Karellas, E. Kakaras, "Economic evaluation of decentralized pyrolysis for the production of bio-oil as an energy carrier for improved logistics towards a large centralized gasification plant", Renewable and Sustainable Energy Reviews, 2014, 35, pp.57-72
  8. C. Christodoulou, E. I. Koytsoumpa, K.-D. Panopoulos, S. Karellas, E. Kakaras, "Agglomeration problems during cardoon fluidized bed gasification", Thermal Science, 2014, Volume 18, Issue 2, pp.645-656
  9. C. Christodoulou, D. Grimekis, K.-D. Panopoulos, D. Vamvuka, S. Karellas, E. Kakaras, "Circulating fluidized bed gasification of 1st and 2nd generation biofuel seed cakes after oil extraction", Fuel, 2014, 132, pp.71-81, 15
  10. A. Nikolopoulos, I. Malgarinos, N. Nikolopoulos, P. Grammelis, S. Karellas, E. Kakaras, "A decoupled approach for NOx – N2O 3-D modeling in CFB plants", Fuel, 115, January 2014, pp.401-415
  11. Vera, D., Jurado, F., Margaritis, N.K., Grammelis, P., "Experimental and economic study of a gasification plant fuelled with olive industry wastes", Energy for Sustainable Development 23, pp. 247-257
  12. Itskos, G., Margaritis, N., Koutsianos, A., Grammelis, P., "Characterization of solid residues from high temperature gasification of olive kernel", Waste and Biomass Valorization 5(5), pp. 893-901
  13. N. Margaritis, D. Rakopoulos, E. Mylona, P. Grammelis, "Introduction of renewable energy sources in the district heating System of Greece", International journal of Sustainable Energy Planning and Management, Vol 4, 45-58
  14. P. Grammelis, N. Goodwin, E. Alakangas, W. Hasslinger, E. Karampinis, "The Biomass Technology Roadmap of the RHC-Platform: Priorities for high efficient large-scale CHP units", VGB PowerTech Journal, June 2014
  15. Basinas, P., Wu, Y., Grammelis, P., Anthony, E.J., Grace, J.R., Jim Lim, C., "Effect of pressure and gas concentration on CO2 and SO 2 capture performance of limestones", Fuel, 122, 236-246
  16. D. Kourkoumpas, M. Karampinis, P. Grammelis, "New Power-Production Options for Biomass and Co Generation",Wiley Interdisciplinary Reviews: Energy and Environment
  1. Itskos, G., Grammelis, P., Scala, F., Kruczec, H., Coppola, A., Salatino, P., Kakaras, E., "A comparative characterization study of Ca-looping natural sorbents", Applied Energy, Volume 108, August 2013, Pages 373-382
  2. Emma ter Mors, E., Terwel, B., Daamen, D., Reiner, D., Schumann, D., Anghel, S., Boulouta, I., Cismaru, D., Constantin, C., de Jager, C., Dudu, A., Esken A., Firth, R., Gemeni, V., Hendriks, C., Koukouzas, N., "A Comparison of Techniques Aimed at Collecting Informed Public Opinions: Opinion Quality in Focus Group Discussions versus Information-Choice Questionnaires", International Journal of Greenhouse Gas Control, 18, 256–263
  3. Karampinis, Ε., Grammelis, P., Kakaras, E., "Biomass logistics and sustainability criteria for large-scale power generation in Europe", VGB PowerTech Journal, June 2013
  4. Vorrias, I., Atsonios, K., Nikolopoulos, A., Nikolopoulos, N., Grammelis, P., Kakaras, E., "Calcium Looping for CO2 capture from a lignite fired power plant</", Fuel, Volume 113, November 2013, Pages 826-836
  5. Vijo Varkey, T., Zarzour, O., Koukouzas, N., Vidican, G., Al-Saleh, Y., Katsimpardi, I., "Carbon Capture and Storage: State of Play, Challenges and Opportunities for the GCC Countries", International Journal of Energy Sector Management, Vol. 7 Iss: 2, pp.223 - 242
  6. Karampinis, E., Grammelis, P., Agraniotis, M., Violidakis, I., Kakaras, E., "Co-firing of biomass with coal in thermal power plants: technology schemes, impacts and future perspectives", Wiley Interdisciplinary Reviews: Energy and Environment, Nov.2013,DOI: 10.1002/wene.100
  7. Fuller, A., Maier, J., Kruczek, H., Karampinis, E., Scheffknecht, G., Grammelis, P., Kakaras, E.,""Combustion behaviour and deposition ¬characteristics of cynara cardunculus/Greek lignite co-firing under various thermal shares in a thermal pilot-scale facility", VGB PowerTech Journal, June 2013
  8. Strotos,G., Nikolopoulos, N., Nikas, K-S., Moustris, K., "Cooling effectiveness of droplets at low Weber numbers Effect of Temperature", International Journal of Thermal Sciences 72 (2013), 60-72
  9. Karlopoulos, E., Grammelis, P., Christidou, M., Chovan, T., Varbanov, P.S.,
    Klemeš, J.J., "Estimation of the potential for low cost solid fuels of selected areas in Hungary and Greece", Chemical Engineering Transactions, 35, 619-624
  10. Nikolopoulos, A., Nikolopoulos, N., Charitos, A., Grammelis, P., Kakaras, E., Bidwe, A.R., Varela, G., "High-resolution 3-D full - loop simulation of a CFB carbonator cold model", Chemical Engineering Science, vol.90, pages 137-150
  11. Nikolopoulos, N., Isemin, R., Atsonios, K., Kourkoumpas, D., Kuzmin, S., Mikhalev, A., Nikolopoulos, A., Agraniotis, M., Grammelis, P., Kakaras, E., "Modeling of wheat straw torrefaction as a preliminary tool for process design", Waste and Biomass Valorization, 4 (3), pp. 409-420
  12. Nikas, K.-S., Papadakis, I., Nikolopoulos, N., "Numerical investigation of the air pollutant dispersion within an urban environment", Advances and Applications in Fluid Mechanics, Volume 14, Issue 1, (2013), 1-25
  13. Nikolopoulos, N., Agraniotis, M., Violidakis, I., Karampinis, E., Nikolopoulos, A., Grammelis, P., Papapavlou, Ch., Tzivenis, S., Kakaras, E., "Parametric investigation of a renewable alternative for utilities adopting the co-firing lignite/biomass concept", Fuel, Volume 113, November 2013, Pages 873–897
  14. Coppola, A., Scala, F., Itskos, G., Grammelis, P., Pawlak-Kruczek, H., Antiohos, S.K., Salatino, P., Montagnaro, F., "Performance of natural sorbents during calcium looping cycles: A comparison between fluidized bed and thermo-gravimetric tests", Energy and Fuels, 27 (10) 6048-6054, October 2013
  15. Ziogou, F., Gemeni, V., Koukouzas, N., de Angelis, D., Libertini, S.,
    Beaubien, S.E., Lombardi, S., West, J.M., Jones, D.G., Coombs, P., Barlow, T.S., Gwosdz, S., Krüger, M., "Potential environmental impacts of CO2 leakage from the study of natural analogue sites in Europe", Energy Procedia, 37, 3521-3528
  16. Atsonios, K., Violidakis, I., Agraniotis, M., Grammelis, P., Nikolopoulos, N.,
    Kakaras, E., "Thermodynamic analysis and comparison of retrofitting pre-drying concepts at existing lignite power plants", Applied Thermal Engineering, November 2013
  17. Vayos Karayannis, Angeliki Moutsatsou, Nikolaos Koukouzas, Charalampos Vasilatos, "Valorization of CFB-combustion fly ashes as the raw materials in the development of value-added ceramics", Fresenius Environmental Bulletin, Volume 22 – No 12c., 3873 – 3879
  18. Despina Vamvuka, Stelios Sfakiotakis, Kyriakos D. Panopoulos, "An experimental study on the thermal valorization of municipal and animal wastes", International Journal of Energy and Environment, Volume 4, Issue 2, 2013 pp.191-198
  1. Dunnu, G. Panopoulos, K.D., Karellas, S. , Maier, J., Touliou, S., Koufodimos, G., Boukis, I., Κakaras, E., "The solid recovered fuel Stabilat®: Characteristics and fluidised bed gasification tests", Fuel, Volume 93, March 2012, Pages 273-283, 2012
  2. Koukouzas, N., Gemeni, V., Aggelopoulos, A., "The CO2 natural analogues and the storage potential in Greece", European Geologist, Journal of the European Federation of Geologists, 33 (May 2012) 22-25., 2012
  3. Itskos, G., Rohatgi, P., Moutsatsou, A., DeFouw, J.D., Koukouzas, N., Vasilatos, Ch., Schultz, B.F., "Synthesis of A356 Al–high-Ca fly ash composites by pressure infiltration technique and their characterization", Journal of Materials Science, 47 (9) 4042-4052, doi: 10.1007/s10853-012-6258-9, 2012
  4. Nikolopoulos, N., Agraniotis, M., Violidakis, I., Karampinis, E., Nikolopoulos, A., Grammelis, P., Papapavlou, Ch., Tzivenis, S., Kakaras, E., "Parametric investigation of a renewable alternative for utilities adopting the co-firing lignite/biomass concept", under review for FUEL journal, 2012
  5. Karampinis, E., Nikolopoulos, N., Nikolopoulos, A., Grammelis, P., Kakaras, E., "Numerical investigation Greek lignite / Cardoon co-firing in a tangentially fired furnace", Applied Energy, Volume 97, September 2012, Pages 514–524, 2012
  6. Nikolopoulos, N., Isemin, R., Atsonios, K., Kourkoumpas, D., Kuzmin, S., Mikhalev, A., Nikolopoulos, A., Agraniotis, M., Grammelis, P., Kakaras, E., "Modeling of wheat straw torrefaction as a preliminary tool for process design", Waste and Biomass Valorization, under review, 2012
  7. Nikolopoulos, A., Nikolopoulos, N., Varveris, N., Karellas, S., Kakaras, E., "Ιnvestigation of proper modeling of very dense granular flows in the recirculation system of CFBs", Accepted for publication in Particuology Journal, 2012
  8. Agraniotis, M., Karellas, S., Violidakis, I., Doukelis, A., Grammelis, P., Kakaras, E., "Investigation of pre-drying in an existing Greek power plant", Thermal Science, Vol. 16, Issue 1, pp.283-296, 2012
  9. Nikolopoulos, A., Nikolopoulos, N., Charitos, A., Grammelis, P., Kakaras, E., Bidwe, A.R., Varela, G., "High-resolution 3-D full - loop simulation of a CFB carbonator cold model", Chemical Engineering Science, vol.90, pages 137-150,December 2012, 2012
  10. Ioakimidis, C., Koukouzas, N., Chatzimichali, A., Casimiro, S., Macarulla, A., "Energy policy scenarios of CCS implementation in Greek electricity sector", TCCS-6 Energy Procedia, 23, 354–359., 2012
  11. Marin, E., Lekka, M., Andreatta, F., Fedrizzi, L., Itskos, G., Moutsatsou, A., Koukouzas, N., Kouloumbi, N., "Electrochemical study of Aluminum -Fly ash composites obtained by powder metallurgy", Materials Characterization, 69, 16-30, 2012
  12. Karampinis, E., Grammelis, P., Agraniotis, M., Violidakis, I., Kakaras, E., "Co-firing of biomass with coal in thermal power plants: technology schemes, impacts and future perspectives", For Peer Review in Journal: "Wiley Interdisciplinary Reviews: Energy and Environment", 2012
  13. Atsonios, K., Nikolopoulos, A., Nikolopoulos, N., Grammelis, P., Kakaras, E., "Calcium Looping for CO2 capture from a lignite fired power plant", submitted in Fuel, 2012
  14. Margaritis, N., Grammelis, P., Vera, D., Jurado, F., "Assessment of Operational Results of a Downdraft Biomass Gasifier Coupled with a Gas Engine", Procedia - Social and Behavioral Sciences, Volume 48, 2012, Pages 857–867 Transport Research Arena, 2012
  15. Nikolopoulos, N., Isemin, R.L., Milovanov, O.Y., "Α new modeling approach and new two-stage reactor for straw pellets torrefaction for energy", International Journal of Chemical Engineering & applications, vol.3, No.5, October 2012, 2012
  16. Nikolopoulos, A., Malgarinos, I., Nikolopoulos, N., Grammelis, P., Karellas, S., Kakaras, E., "A decoupled approach for NOx – N2O 3-D CFD modeling in CFB plants", Submitted in Fuel, 2012
  17. Karampinis, E., Vamvuka, D., Sfakiotakis, S., Grammelis, P., Itskos, G., Kakaras, E., "A Comparative Study of Combustion Properties of Five Energy Crops and Greek Lignite", Energy and Fuels 26 (2) , pp. 869-878., 2012
  18. Vera, D., Jurado, F., Panopoulos, K.D., Grammelis, P. "Modelling of biomass gasifier and microturbine for the olive oil industry" International Journal of Energy Research 36 (3) , pp. 355-367
  19. Atsonios, K., Panopoulos, K.D., Doukelis, A., Koumanakos, A., Kakaras, E. "Exergy analysis of a hydrogen fired combined cycle with natural gas reforming and membrane assisted shift reactors for CO2 capture" Energy Conversion and Management, 60, pp. 196-203.
  20. Karellas, S., Panopoulos, K.D., Panousis, G., Rigas, A., Karl, J., Kakaras, E. "An evaluation of Substitute natural gas production from different coal gasification processes based on modeling" Energy, 45 (1), pp. 183-194.


Dr. Grammelis Panagiotis
Dr. Grammelis PanagiotisScientific Responsible in CPERI's branches (Athens & Ptolemaida)
52, Egialeias str. Maroussi
15125, Athens, Greece
Tel: (+30) 211 1069504
Fax: (+30) 211 1069501


4th km Ptolemaidas – Mpodosakeiou
50200, Ptolemaida, Greece
Tel: (+30) 24630 55300 / 54679
Fax: (+30) 24630 55301


52, Aigialeias str, Maroussi
15125, Athens, Greece
Tel: (+30) 211 1069500
Fax: (+30) 211 1069501

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