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(11)

EP 3 084 020 A1

(12)

(43) Date of publication: 26.10.2016 Bulletin 2016/43 (21) Application number: 14815667.2 (22) Date of filing: 16.12.2014

(51) International Patent Classification (IPC):  C22B 1/24(2006.01) C22B 23/00(2006.01) (86) International application number: PCT/EP2014/078032 (87) International publication number: WO 2015/091528 (25.06.2015 Gazette 2015/25)

(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 (30) Priority: 18.12.2013 DE 102013114339 (71) Applicant: Outotec (Finland) Oy 02230 Espoo (FI)	(72) Inventors: SAATCI, Alpaydin 60386 Frankfurt am Main (DE) KREMMER, Katharina 60320 Frankfurt am Main (DE) WECKES, Jan 61462 Königstein (DE) BÄHR, Günther 63654 Büdingen (DE) (74) Representative: Keil & Schaafhausen Patent- und Rechtsanwälte PartGmbB  Friedrichstrasse 2-6 60323 Frankfurt am Main 60323 Frankfurt am Main (DE)