(19)

(11)

EP 2 398 572 A2

(12)

(88) Date of publication A3: 09.12.2010 (43) Date of publication: 28.12.2011 Bulletin 2011/52 (21) Application number: 10744279.0 (22) Date of filing: 18.02.2010

(51) International Patent Classification (IPC):  B01D 35/00(2006.01) C02F 103/02(2006.01) C02F 1/28(2006.01) (86) International application number: PCT/US2010/024531 (87) International publication number: WO 2010/096521 (26.08.2010 Gazette 2010/34)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 20.02.2009 US 154070 P (71) Applicant: The Water Initiative, LLC New York, NY 10022 (US)	(72) Inventors: FITZGERALD, Eugene, A. Windham NH 03087 (US) XIE, Ya-Hong Dana Point CA 92621 (US) LANGDO, Thomas Cambridge MA 02141 (US) RENJILIAN, Richard Gurnee IL 60031 (US) FOLEY, Brian, T. Rye NY 10580 (US) THOMPSON, Carl, V. Acton MA 01720 (US) (74) Representative: Rickard, Timothy Mark Adrian  Compass Patents LLP 120 Bridge Road Chertsey, Surrey KT16 8LA Chertsey, Surrey KT16 8LA (GB)