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(11)

EP 4 146 373 A1

(12)

(43) Date of publication: 15.03.2023 Bulletin 2023/11 (21) Application number: 21732997.8 (22) Date of filing: 04.05.2021

(51) International Patent Classification (IPC):  B01D 53/10(2006.01) B01D 53/83(2006.01) C10L 10/04(2006.01) B01D 53/68(2006.01) B01D 53/38(2006.01) F23J 15/00(2006.01) (52) Cooperative Patent Classification (CPC): B01D 53/10; B01D 2253/11; B01D 53/68; B01D 2257/204; B01D 2258/0291; B01D 53/83; B01D 2253/304; B01D 53/38; F23J 15/003; B01D 2251/404; B01D 2251/606; B01D 2258/0283; B01D 2251/602; F23G 7/10; F23G 2209/26 (86) International application number: PCT/NL2021/050289 (87) International publication number: WO 2021/225436 (11.11.2021 Gazette 2021/45)

(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: 08.05.2020 NL 2025539 (71) Applicant: MinPlus B.V. 7329 AH Apeldoorn (NL)	(72) Inventor: BIERMANN, Joseph Jan Peter 7329 AH Apeldoorn (NL) (74) Representative: Vernout, Robert  DOGIO Patents B.V. P.O. box 2350 1200 CJ Hilversum 1200 CJ Hilversum (NL)