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(11)

EP 4 493 741 A2

(12)

(88) Date of publication A3: 04.04.2024 (43) Date of publication: 22.01.2025 Bulletin 2025/04 (21) Application number: 23714360.7 (22) Date of filing: 17.03.2023

(51) International Patent Classification (IPC):  C25B 1/04(2021.01) C25B 9/19(2021.01) B01D 61/44(2006.01) C12P 7/04(2006.01) C25B 1/23(2021.01) C25B 15/08(2006.01) B01D 61/50(2006.01) C25B 1/16(2006.01) (52) Cooperative Patent Classification (CPC): C25B 1/04; C25B 1/23; C25B 9/05; C25B 15/081; C25B 9/19; B01D 61/445; B01D 61/50; C12P 7/04; B01D 2311/06; B01D 2311/08; B01D 2311/263; C25B 1/16; C25B 15/087; C12P 7/40 (86) International application number: PCT/NL2023/050138 (87) International publication number: WO 2023/177298 (21.09.2023 Gazette 2023/38)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 18.03.2022 NL 2031327 (71) Applicant: Technische Universiteit Delft 2628 CN Delft (NL)	(72) Inventors: SHARIFIAN, Rezvan 2600 AA Delft (NL) VERMAAS, David Arie 2600 AA Delft (NL) WAGTERVELD, Martijn 2600 AA Delft (NL) BLEEKER, Jan Jorrit 2600 AA Delft (NL) (74) Representative: EDP Patent Attorneys B.V.  Agro Business Park 2 6708 PW Wageningen 6708 PW Wageningen (NL)