Invention Grant
- Patent Title: Staged fluidized solids contacting process in oxidation regeneration of catalysts
- Patent Title (中): 催化剂氧化再生中标签流化固体接触过程
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Application No.: US3661800DApplication Date: 1970-06-17
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Publication No.: US3661800APublication Date: 1972-05-09
- Inventor: PFEIFFER ROBERT W , WICKHAM HENRY P
- Applicant: PULLMAN INC
- Assignee: Pullman Inc
- Current Assignee: Pullman Inc
- Priority: US4698570 1970-06-17
- Main IPC: C10G11/18
- IPC: C10G11/18 ; B01J11/04 ; B01J11/68
Abstract:
A METHOD FOR STAGE REGENERATION OF PARTICULATE, FLUIDIZED MATERIAL IN A UNITARY VESSEL HAVING SUPERIMPOSED BEDS WHEREIN REGENERATION GAS LEAVING A SECOND STAGE IS PASSED THROUGH A FIRST STAGE. THE METHOD IS PARTICULARLY APPLICABLE TO THE REGENERATION OF HYDROCARBON CRACKING CATALYST TO LOW RESIDUAL LEVELS OF CARBON.
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