(19)

(11)

EP 2 900 604 A1

(12)

(43) Date of publication: 05.08.2015 Bulletin 2015/32 (21) Application number: 13842448.6 (22) Date of filing: 26.09.2013

(51) International Patent Classification (IPC):  C02F 1/00(2006.01) C02F 9/02(2006.01) C02F 1/66(2006.01) (86) International application number: PCT/US2013/061805 (87) International publication number: WO 2014/052520 (03.04.2014 Gazette 2014/14)

(84) Designated Contracting States: AL 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 RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 26.09.2012 US 201213627765 (71) Applicant: Wasserwerk Inc. Columbia, MO 65203 (US)	(72) Inventor: HAWKS, Wayne, R. Columbia, MO 65203 (US) (74) Representative: Rutherford, Claire  Murgitroyd & Company Scotland House 165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)