(19)

(11)

EP 3 609 596 A1

(12)

(43) Date of publication: 19.02.2020 Bulletin 2020/08 (21) Application number: 18785115.9 (22) Date of filing: 13.04.2018

(51) International Patent Classification (IPC):  B01D 29/31(2006.01) B01D 29/48(2006.01) B01D 29/33(2006.01) (86) International application number: PCT/US2018/027478 (87) International publication number: WO 2018/191611 (18.10.2018 Gazette 2018/42)

(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: 13.04.2017 US 201762485051 P (71) Applicant: Aqseptence Group, Inc. New Brighton, MN 55112 (US)	(72) Inventors: EKHOLM, Michael, Richard New Brighton, MN 55112 (US) DEHN, Steven, Douglas New Brighton, MN 55112 (US) FLANSBURG, Charles, H. New Brighton, MN 55112 (US) (74) Representative: Korenberg, Alexander Tal  Kilburn & Strode LLP Lacon London 84 Theobalds Road London WC1X 8NL London WC1X 8NL (GB)