Owner General Electric Company

Inventors Benner, William; Sanem, Jeffrey Scott; Banks, Robert; Dunchak, Kristy Marie; Nishida, Hitomi

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-A-2010289492

PCT Pub. Number WO2011/028859

Priority 12/855,939 13.08.10 US; 61/239,611 03.09.09 US; 61/239,596 03.09.09 US

Filing date 2 September 2010

Wipo publication date 10 March 2011

B01D 61/02 (2006.01) Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration - Reverse osmosis

B01D 61/04 (2006.01) Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration

B01D 61/14 (2006.01) Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration - Ultrafiltration

B01D 61/16 (2006.01) Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration - Feed pretreatment

B01D 61/58 (2006.01) Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration - Multistep processes

B01D 65/02 (2006.01) Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes

C02F 9/00 (2006.01) Multistep treatment of water, waste water or sewage

C02F 1/44 (2006.01) Treatment of water, waste water, or sewage - by dialysis, osmosis or reverse osmosis