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(11)

EP 4 680 905 A1

(12)

(43) Date of publication: 21.01.2026 Bulletin 2026/04 (21) Application number: 24771341.5 (22) Date of filing: 15.02.2024

(51) International Patent Classification (IPC):  F25J 1/02(2006.01) F25J 1/00(2006.01) B01D 53/26(2006.01) C10G 5/06(2006.01) (52) Cooperative Patent Classification (CPC): B01D 21/34; F25J 1/001; F25J 1/0017; F25J 1/0022; F25J 1/0035; F25J 1/0221; F25J 1/0228; F25J 1/0232; F25J 1/0236; F25J 1/0284; F25J 2205/86; F25J 2210/60; F25J 2220/60; F25J 2240/40; F25J 2270/14; B01D 53/261 (86) International application number: PCT/US2024/016004 (87) International publication number: WO 2024/191546 (19.09.2024 Gazette 2024/38)

(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: GE KH MA MD TN (30) Priority: 15.03.2023 US 202318184302 (71) Applicant: CNX Resources Corporation Canonsburg, PA 15317 (US)	(72) Inventor: FINK, Joseph M. Washington, Pennsylvania 15301 (US) (74) Representative: Petraz, Gilberto Luigi et al GLP S.r.l. Viale Europa Unita, 171 33100 Udine Viale Europa Unita, 171 33100 Udine (IT)