(19)

(11)

EP 2 720 797 A1

(12)

(43) Date of publication: 23.04.2014 Bulletin 2014/17 (21) Application number: 12800621.0 (22) Date of filing: 13.06.2012

(51) International Patent Classification (IPC):  B02C 23/24(2006.01) F26B 23/02(2006.01) B02C 21/00(2006.01) C22B 1/24(2006.01) (86) International application number: PCT/FI2012/050595 (87) International publication number: WO 2012/172174 (20.12.2012 Gazette 2012/51)

(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: 15.06.2011 FI 20114064 (71) Applicant: Outotec Oyj 02230 Espoo (FI)	(72) Inventor: PALANDER, Marko FI-10210 Inkoo (FI) (74) Representative: Papula Oy  P.O. Box 981 00101 Helsinki 00101 Helsinki (FI)