COMPOSITE MEMBRANES COMPRISING SULFONATED POLYPHENYLENESULFONE AND THEIR USE IN FORWARD OSMOSIS PROCESSES

摘要

The present invention is directed to thin film composite membranes (TFC membranes) comprising a substrate layer (S) based on a sulfonated polyphenylenesulfone, and a polyamide film layer (F) and further to a method for their preparation. Furthermore, the present invention is directed to osmosis processes, in particular to forward osmosis (FO) processes, using said membrane.