(19)

(11)

EP 4 551 527 A1

(12)

(43) Date of publication: 14.05.2025 Bulletin 2025/20 (21) Application number: 23858116.9 (22) Date of filing: 25.08.2023

(51) International Patent Classification (IPC):  C02F 1/52(2023.01) C02F 9/00(2023.01) C02F 3/12(2023.01) C02F 11/02(2006.01) (52) Cooperative Patent Classification (CPC): C02F 2209/10; C02F 2209/11; C02F 2301/043; C02F 3/006; C02F 3/1263; C02F 2001/007; C02F 2209/005; C02F 2303/16; C02F 2201/005 (86) International application number: PCT/US2023/031168 (87) International publication number: WO 2024/044368 (29.02.2024 Gazette 2024/09)

(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: 26.08.2022 US 202263401219 P (71) Applicant: Evoqua Water Technologies LLC Pittsburgh, PA 15222 (US)	(72) Inventor: BARCZEWSKI, Nicholas Andrew OSWEGO, Illinois 60543 (US) (74) Representative: Murgitroyd & Company  165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)