The poster entitled “Monitoring the membrane scaling propensity of retentate in reverse osmosis desalination plants” by. A. J. Karabelas, S. Mitrouli, J. Gragopoulos, A. Karanasiou, (Natural Resources and Renewable Energies Laboratory, Chemical Process and Energy Resources Institute, CERTH) N. P. Isaias and A. S. Al Rammah (Saudi Aramco), received the Best Poster Presentation Award at the International Desalination Association World Congress, which took place in Tianjin, China, October 20-25.