(19)

(11)

EP 3 651 890 A1

(12)

(43) Date of publication: 20.05.2020 Bulletin 2020/21 (21) Application number: 18740263.1 (22) Date of filing: 20.06.2018

(51) International Patent Classification (IPC):  B01J 4/00(2006.01) B01D 43/00(2006.01) (86) International application number: PCT/FI2018/050482 (87) International publication number: WO 2019/012179 (17.01.2019 Gazette 2019/03)

(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: KH MA MD TN (30) Priority: 11.07.2017 WO PCT/FI2017/050533 (71) Applicant: Outotec (Finland) Oy 02230 Espoo (FI)	(72) Inventor: KAUPPI, Janne 54920 Taipalsaari (FI) (74) Representative: Boco IP Oy Ab  Itämerenkatu 5 00180 Helsinki 00180 Helsinki (FI)