(19)

(11)

EP 2 352 704 A1

(12)

(43) Date of publication: 10.08.2011 Bulletin 2011/32 (21) Application number: 09748505.6 (22) Date of filing: 17.09.2009

(51) International Patent Classification (IPC):  C02F 1/467(2006.01) C02F 1/28(2006.01) C02F 1/48(2006.01) (86) International application number: PCT/NL2009/050555 (87) International publication number: WO 2010/033021 (25.03.2010 Gazette 2010/12)

(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: 18.09.2008 NL 1035953 (71) Applicant: Stichting Wetsus Centre of Excellence for Sustainable Water Technology 8934 CJ Leeuwarden (NL)	(72) Inventors: MAYER, Mateo, Jozef, Jacques NL-8934 CJ Leeuwarden (NL) METZ, Sybrandus, Jacob NL-8934 CJ Leeuwarden (NL) KLIJN, Gert-Jan NL-8934 CJ Leeuwarden (NL) (74) Representative: Verdijck, Gerardus et al Arnold & Siedsma Sweelinckplein 1 2517 GK Den Haag 2517 GK Den Haag (NL)