(19)

(11)

EP 2 852 451 A1

(12)

(43) Date of publication: 01.04.2015 Bulletin 2015/14 (21) Application number: 13793691.0 (22) Date of filing: 22.05.2013

(51) International Patent Classification (IPC):  B01D 24/40(2006.01) B01D 24/16(2006.01) (86) International application number: PCT/SE2013/050586 (87) International publication number: WO 2013/176616 (28.11.2013 Gazette 2013/48)

(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: 23.05.2012 SE 1250518 (71) Applicant: Nordic Water Products AB 421 32 Västra Frölunda (SE)	(72) Inventor: LARSSON, Hans F S-120 70 Stockholm (SE) (74) Representative: B & L Gruppen AB  P.O. Box 17704 118 93 Stockholm 118 93 Stockholm (SE)