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(11)

EP 4 558 771 A1

(12)

(43) Date of publication: 28.05.2025 Bulletin 2025/22 (21) Application number: 22754653.8 (22) Date of filing: 22.07.2022

(51) International Patent Classification (IPC):  F28D 7/02(2006.01) F28D 21/00(2006.01) (52) Cooperative Patent Classification (CPC): F28D 21/001; F28D 2021/0059; F28D 2021/0075; F28D 7/024; F28D 21/0003; F28D 7/0066; F28D 7/022; C10G 9/20 (86) International application number: PCT/US2022/037979 (87) International publication number: WO 2024/019731 (25.01.2024 Gazette 2024/04)

(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 (71) Applicant: Lummus Technology LLC Bloomfield, New Jersey 07003-3096 (US)	(72) Inventors: JIBB, Richard John Bloomfield, New Jersey 07003-3096 (US) GROPPI, Roberto Bloomfield, New Jersey 07003-3096 (US) BRIGNONE, Vincenzo Marco Bloomfield, New Jersey 07003-3096 (US) (74) Representative: Berggren Oy  P.O. Box 16 Eteläinen Rautatiekatu 10A 00101 Helsinki 00101 Helsinki (FI)