(19)

(11)

EP 2 356 078 A1

(12)

(43) Date of publication: 17.08.2011 Bulletin 2011/33 (21) Application number: 09829412.7 (22) Date of filing: 27.11.2009

(51) International Patent Classification (IPC):  C02F 1/32(2006.01) C02F 1/78(2006.01) C02F 1/461(2006.01) (86) International application number: PCT/SE2009/051345 (87) International publication number: WO 2010/062253 (03.06.2010 Gazette 2010/22)

(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: 28.11.2008 SE 0850107 (71) Applicant: WALLENIUS WATER AKTIEBOLAG 112 51 Stockholm (SE)	(72) Inventors: STENMAN, David S-182 45 Enebyberg (SE) LIAO, Haidong S-115 32 Stockholm (SE) (74) Representative: Bergström, Johan Erik  Mindmap IPR AB Patron Carls väg 2 683 40 Uddeholm 683 40 Uddeholm (SE)