On March 3rd 2019, professor Andre Nuemann presented at PGU-FPGPE  and visited our Membrane technology laboratory. He is currently the dean of the water institute of Bisburg University in Germany. We have a useful discussion in order to have some scientific collaboration with each other. In the 1st pic8 from right: Dr Khosravi, Dr Dobaradaran, Prof. Niemann and Dr. Hashemifard the head of SMTRG.