(19)

(11)

EP 2 649 011 A1

(12)

(43) Date of publication: 16.10.2013 Bulletin 2013/42 (21) Application number: 11805247.1 (22) Date of filing: 07.12.2011

(51) International Patent Classification (IPC):  C02F 1/20(2006.01) C02F 11/04(2006.01) (86) International application number: PCT/NL2011/050840 (87) International publication number: WO 2012/078044 (14.06.2012 Gazette 2012/24)

(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 (30) Priority: 07.12.2010 EP 10193889 (71) Applicant: Veolia Water Solutions & Technologies Support 94417 Saint-Maurice Cedex (FR)	(72) Inventors: V.D. LUBBE, Jeroen NL-2623 EW Delft (NL) HEFFERNAN, Barry NL-2611 NR Delft (NL) (74) Representative: Jansen, Cornelis Marinus  V.O. Johan de Wittlaan 7 2517 JR Den Haag 2517 JR Den Haag (NL)