同海大学 Tongji University Synthetic Membranes 1956 -early 1980s:RO desalination,no commercial MF/UF for drinking water mid-1980 -early 1990s:Development of Memcor(MF), Aquasource (UF),clean waters small capacities mid-1990-2002:Start of market growth,new competitors (Zenon,Xflow,Hydranautics,Pall,lonics)with second generation membranes/modules Use on not so clean waters,start of immersed MBR products Now:Large plants 200000m3/d;Strong growth of RO desalination marketTongji University Synthetic Membranes 1956 -early 1980s: RO desalination, no commercial MF/UF for drinking water mid-1980 -early 1990s: Development of Memcor (MF), Aquasource (UF), clean waters & small capacities mid-1990 -2002: Start of market growth, new competitors (Zenon, Xflow, Hydranautics, Pall, Ionics) with second generation membranes/modules ; Use on not so clean waters, start of immersed MBR products Now: Large plants > 200000m3 /d; Strong growth of RO desalination market