GB1518530A - Method of initiating essentially complete oxidation of co to co2 in a spent-catalyst regenerating zone - Google Patents

Method of initiating essentially complete oxidation of co to co2 in a spent-catalyst regenerating zone

Info

Publication number
GB1518530A
GB1518530A GB44574/75A GB4457475A GB1518530A GB 1518530 A GB1518530 A GB 1518530A GB 44574/75 A GB44574/75 A GB 44574/75A GB 4457475 A GB4457475 A GB 4457475A GB 1518530 A GB1518530 A GB 1518530A
Authority
GB
United Kingdom
Prior art keywords
carbon content
catalyst
regeneration gas
spent
coke
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB44574/75A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honeywell UOP LLC
Original Assignee
UOP LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by UOP LLC filed Critical UOP LLC
Priority to GB44574/75A priority Critical patent/GB1518530A/en
Publication of GB1518530A publication Critical patent/GB1518530A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/90—Regeneration or reactivation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/62—Carbon oxides
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/40—Capture or disposal of greenhouse gases of CO2

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Catalysts (AREA)

Abstract

1518530 Regenerating catalyst UOP INC 29 Oct 1975 44574/75 Heading B1E 1. A method for initiating essentially complete oxidation of CO to CO 2 in a densephase catalyst bed maintained in a regeneration zone (connected to a hydrocarbon reaction zone) which method comprises the following steps: a. passing to the dense catalyst bed spent catalyst (e.g. zeolite - containing) and fresh regeneration gas at a first flow rate sufficient to oxidize coke to produce regenerated catalyst having a first carbon content and partially spent regeneration gas; b. oxidising coke at first oxidising conditions to produce regenerated catalyst having said first carbon content and partially spent regeneration gas containing CO; c. increasing the coke content of said regenerated catalyst from said first carbon content to a second carbon content 0.1 to 0.5wt.% higher than said first carbon content; d. maintaining said second carbon content to attain a steady-state dense-bed temperature; e. passing fresh regeneration gas to the dense-phase bed at a second flow rate at least stoichiometrically sufficient to produce regenerated catalyst having a third carbon content, less than said first carbon content, and sufficient to produce spent regeneration gas; and, f. oxidising coke and CO at second oxidising conditions to produce regenerated catalyst having said third carbon content and spent regeneration gas.
GB44574/75A 1975-10-29 1975-10-29 Method of initiating essentially complete oxidation of co to co2 in a spent-catalyst regenerating zone Expired GB1518530A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB44574/75A GB1518530A (en) 1975-10-29 1975-10-29 Method of initiating essentially complete oxidation of co to co2 in a spent-catalyst regenerating zone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB44574/75A GB1518530A (en) 1975-10-29 1975-10-29 Method of initiating essentially complete oxidation of co to co2 in a spent-catalyst regenerating zone

Publications (1)

Publication Number Publication Date
GB1518530A true GB1518530A (en) 1978-07-19

Family

ID=10433925

Family Applications (1)

Application Number Title Priority Date Filing Date
GB44574/75A Expired GB1518530A (en) 1975-10-29 1975-10-29 Method of initiating essentially complete oxidation of co to co2 in a spent-catalyst regenerating zone

Country Status (1)

Country Link
GB (1) GB1518530A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111111749A (en) * 2018-10-30 2020-05-08 中国石油化工股份有限公司 Fluidized bed reaction-regeneration method for preparing aromatic hydrocarbon
CN114870909A (en) * 2022-05-05 2022-08-09 中国石油化工股份有限公司 Method for regenerating catalytic cracking spent catalyst

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111111749A (en) * 2018-10-30 2020-05-08 中国石油化工股份有限公司 Fluidized bed reaction-regeneration method for preparing aromatic hydrocarbon
CN111111749B (en) * 2018-10-30 2023-04-07 中国石油化工股份有限公司 Fluidized bed reaction-regeneration method for preparing aromatic hydrocarbon
CN114870909A (en) * 2022-05-05 2022-08-09 中国石油化工股份有限公司 Method for regenerating catalytic cracking spent catalyst
CN114870909B (en) * 2022-05-05 2023-10-20 中国石油化工股份有限公司 Method for regenerating catalytic cracking spent catalyst

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee