(19)

(11)

EP 2 486 158 A1

(12)

(43) Date of publication: 15.08.2012 Bulletin 2012/33 (21) Application number: 10755099.8 (22) Date of filing: 08.09.2010

(51) International Patent Classification (IPC):  C22B 1/26(2006.01) F27D 15/02(2006.01) F27B 21/02(2006.01) (86) International application number: PCT/EP2010/005518 (87) International publication number: WO 2011/042100 (14.04.2011 Gazette 2011/15)

(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: 08.10.2009 DE 102009048724 (71) Applicant: Outotec OYJ 02200 Espoo (FI)	(72) Inventor: CHAMBERS, Alan 35789 Weilmünster (DE) (74) Representative: KEIL & SCHAAFHAUSEN Patentanwälte  Cronstettenstraße 66 60322 Frankfurt am Main 60322 Frankfurt am Main (DE)