(19)

(11)

EP 3 328 519 A1

(12)

(43) Date of publication: 06.06.2018 Bulletin 2018/23 (21) Application number: 16744730.9 (22) Date of filing: 26.07.2016

(51) International Patent Classification (IPC):  B01D 53/06(2006.01) (86) International application number: PCT/EP2016/067801 (87) International publication number: WO 2017/017102 (02.02.2017 Gazette 2017/05)

(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 MD (30) Priority: 28.07.2015 BE 201505478 (71) Applicant: VITO NV 2400 Mol (BE)	(72) Inventor: FRANSAER, Dirk B-2400 Mol (BE) (74) Representative: Pronovem  Office Van Malderen Avenue Josse Goffin 158 1082 Bruxelles 1082 Bruxelles (BE)