Are there any commercially available membrane systems at this time?
A:
There are many commercial membrane systems available, with > 5 companies making reverse osmosis membranes for water treatment (Dow Filmtec, Hydranautics, Toray, Koch, CSM, Toyobo, GE Osmonics etc) and a comparable number of companies making MF/UF systems (Siemens, Dow, GE, Pall,... more
