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(11)

EP 2 445 609 A1

(12)

(43) Date of publication: 02.05.2012 Bulletin 2012/18 (21) Application number: 10791057.2 (22) Date of filing: 22.06.2010

(51) International Patent Classification (IPC):  B01D 46/04(2006.01) B01D 29/17(2006.01) B01D 29/11(2006.01) (86) International application number: PCT/AU2010/000780 (87) International publication number: WO 2010/148438 (29.12.2010 Gazette 2010/52)

(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 SE SI SK SM TR (30) Priority: 23.06.2009 AU 2009902909 (71) Applicant: Outotec OYJ 02200 Espoo (FI)	(72) Inventor: BAKER, John, Walter Kenthurst, NSW 2156 (AU) (74) Representative: Graf Glück Habersack Kritzenberger  Patentanwälte Wotanstraße 64 80639 München 80639 München (DE)