(19)

(11)

EP 3 999 214 A1

(12)

(43) Date of publication: 25.05.2022 Bulletin 2022/21 (21) Application number: 20739731.6 (22) Date of filing: 17.07.2020

(51) International Patent Classification (IPC):  B01D 53/44(2006.01) F23G 7/06(2006.01) B01D 53/34(2006.01) (52) Cooperative Patent Classification (CPC): B01D 53/44; B01D 53/346; B01D 2251/11; B01D 2257/708; B01D 2259/455; B01D 53/343; Y02A 50/20 (86) International application number: PCT/EP2020/070364 (87) International publication number: WO 2021/013756 (28.01.2021 Gazette 2021/04)

(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: 19.07.2019 NL 2023532 (71) Applicant: Clean Technology Systems Holding B.V. 2516 AH Den Haag (NL)	(72) Inventors: BOERSTRA, Sytse Taco 2498 CR DEN HAAG (NL) VAN DER WERFF, Arie Pieter Maarten 3227 AK OUDENHOORN (NL) BUSSER, Cornelis Gerardus Wilhelm 2243 AG WASSENAAR (NL) (74) Representative: EP&C  P.O. Box 3241 2280 GE Rijswijk 2280 GE Rijswijk (NL)