(19)

(11)

EP 3 204 707 A1

(12)

(43) Date of publication: 16.08.2017 Bulletin 2017/33 (21) Application number: 15784163.6 (22) Date of filing: 08.10.2015

(51) International Patent Classification (IPC):  F27D 3/15(2006.01) C22B 15/00(2006.01) C21B 7/14(2006.01) (86) International application number: PCT/IB2015/057676 (87) International publication number: WO 2016/055955 (14.04.2016 Gazette 2016/15)

(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 RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA (30) Priority: 10.10.2014 AU 2014904057 (71) Applicant: Outotec (Finland) Oy 02230 Espoo (FI)	(72) Inventor: WOOD, Jacob Oakleigh, Victoria 3166 (AU) (74) Representative: Boco IP Oy Ab  Itämerenkatu 5 00180 Helsinki 00180 Helsinki (FI)