(19)
(11) EP 4 739 753 A1

(12)

(43) Date of publication:
13.05.2026 Bulletin 2026/20

(21) Application number: 24836534.8

(22) Date of filing: 02.07.2024
(51) International Patent Classification (IPC): 
C10G 11/18(2006.01)
B01D 53/86(2006.01)
 B01J 38/06(2006.01)
B01D 53/88(2006.01)
(52) Cooperative Patent Classification (CPC):
C10G 2300/4093; C10G 2300/207; C10G 2300/703; C10G 11/182; C10G 11/18
(86) International application number:
PCT/US2024/036554
(87) International publication number:
WO 2025/010268 (09.01.2025 Gazette 2025/02)
(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: 04.07.2023 IN 202321044813

(71) Applicant: Lummus Technology LLC
Houston, TX 77086 (US)

(72) Inventors:
  • GUNDALE, Mangesh, M.
    Houston, TX 77086 (US)
  • BELWOOD, Ian
    Houston, TX 77086 (US)
  • MARRI, Rama, Rao
    Houston, TX 77086 (US)
  • ROY SOM, Manoj
    Houston, TX 77086 (US)

(74) Representative: Osha BWB 
2, rue de la Paix
75002 Paris
75002 Paris (FR)

   


(54) METHOD AND APPARATUS FOR STRIPPING NOX, OXYGEN, CO, AND CO2 FROM FCC REGENERATED CATALYST FOR IMPROVING THE SAFETY AND RELIABILITY OF PRODUCT RECOVERY SECTION