(19)

(11)

EP 3 860 739 A1

(12)

(43) Date of publication: 11.08.2021 Bulletin 2021/32 (21) Application number: 19794890.4 (22) Date of filing: 07.10.2019

(51) International Patent Classification (IPC):  B01D 17/06(2006.01) B01D 17/02(2006.01) B01D 17/04(2006.01) (86) International application number: PCT/EP2019/077121 (87) International publication number: WO 2020/070336 (09.04.2020 Gazette 2020/15)

(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: KH MA MD TN (30) Priority: 05.10.2018 NO 20181290 (71) Applicant: COMBIPRO AS 1387 Asker (NO)	(72) Inventor: AARSETH, Finn 1387 Asker (NO) (74) Representative: Onsagers AS  P.O. Box 1813 Vika 0123 Oslo 0123 Oslo (NO)