(19)

(11)

EP 2 611 972 A1

(12)

(43) Date of publication: 10.07.2013 Bulletin 2013/28 (21) Application number: 11751672.4 (22) Date of filing: 30.08.2011

(51) International Patent Classification (IPC):  E03C 1/048(2006.01) A47K 7/04(2006.01) E03C 1/181(2006.01) (86) International application number: PCT/NL2011/050590 (87) International publication number: WO 2012/030216 (08.03.2012 Gazette 2012/10)

(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: 30.08.2010 NL 2005288 (71) Applicant: Stichting Wetsus Centre of Excellence for Sustainable Water Technology 8934 CJ Leeuwarden (NL)	(72) Inventors: MELEIN, Jan Baptist Franciscus NL-8934 CJ Leeuwarden (NL) METZ, Sybrandus Jacob NL-8934 CJ Leeuwarden (NL) VAN DER HOEVEN, Philippus Cornelis NL-8934 CJ Leeuwarden (NL) (74) Representative: Verdijck, Gerardus  Arnold & Siedsma Sweelinckplein 1 2517 GK Den Haag 2517 GK Den Haag (NL)