(19)

(11)

EP 2 643 080 A1

(12)

(43) Date of publication: 02.10.2013 Bulletin 2013/40 (21) Application number: 11843052.9 (22) Date of filing: 24.11.2011

(51) International Patent Classification (IPC):  B01F 5/12(2006.01) B01D 11/04(2006.01) C22B 3/26(2006.01) B01F 3/08(2006.01) F04D 1/00(2006.01) (86) International application number: PCT/FI2011/051035 (87) International publication number: WO 2012/069703 (31.05.2012 Gazette 2012/22)

(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: 26.11.2010 FI 20106247 (71) Applicant: Outotec OYJ 02200 Espoo (FI)	(72) Inventor: LAITALA, Hannu FI-02700 Kauniainen (FI) (74) Representative: Papula Oy  P.O. Box 981 00101 Helsinki 00101 Helsinki (FI)