JPS5311894A - Recoverying method for selectivity of isobutylene low polymer hydrogenation catalyst - Google Patents

Recoverying method for selectivity of isobutylene low polymer hydrogenation catalyst

Info

Publication number
JPS5311894A
JPS5311894A JP8705476A JP8705476A JPS5311894A JP S5311894 A JPS5311894 A JP S5311894A JP 8705476 A JP8705476 A JP 8705476A JP 8705476 A JP8705476 A JP 8705476A JP S5311894 A JPS5311894 A JP S5311894A
Authority
JP
Japan
Prior art keywords
selectivity
hydrogenation catalyst
recoverying
low polymer
polymer hydrogenation
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.)
Pending
Application number
JP8705476A
Other languages
Japanese (ja)
Inventor
Masatoshi Kosugi
Yukio Sekine
Haruo Takizawa
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.)
Cosmo Oil Co Ltd
Cosmo Co Ltd
Original Assignee
Maruzen Oil Co Ltd
Cosmo Co Ltd
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 Maruzen Oil Co Ltd, Cosmo Co Ltd filed Critical Maruzen Oil Co Ltd
Priority to JP8705476A priority Critical patent/JPS5311894A/en
Publication of JPS5311894A publication Critical patent/JPS5311894A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/584—Recycling of catalysts

Landscapes

  • Catalysts (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

PURPOSE: To recover the selectivity of hydrogenation catalyst whose selectivity has been decreased after hydrogenation over a long time by passing a mineral oil fraction contg. no asphaltene under specified conditions, thereby inhibiting the catalytic activity and leaving the hydrogenation activity.
COPYRIGHT: (C)1978,JPO&Japio
JP8705476A 1976-07-21 1976-07-21 Recoverying method for selectivity of isobutylene low polymer hydrogenation catalyst Pending JPS5311894A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8705476A JPS5311894A (en) 1976-07-21 1976-07-21 Recoverying method for selectivity of isobutylene low polymer hydrogenation catalyst

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8705476A JPS5311894A (en) 1976-07-21 1976-07-21 Recoverying method for selectivity of isobutylene low polymer hydrogenation catalyst

Publications (1)

Publication Number Publication Date
JPS5311894A true JPS5311894A (en) 1978-02-02

Family

ID=13904216

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8705476A Pending JPS5311894A (en) 1976-07-21 1976-07-21 Recoverying method for selectivity of isobutylene low polymer hydrogenation catalyst

Country Status (1)

Country Link
JP (1) JPS5311894A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0389119A2 (en) * 1989-03-14 1990-09-26 Exxon Chemical Patents Inc. Halogen resistant hydrotreating process and catalyst
US5565092A (en) * 1994-03-16 1996-10-15 Exxon Chemical Patents Inc. Halogen resistant hydrogenation process and catalyst

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0389119A2 (en) * 1989-03-14 1990-09-26 Exxon Chemical Patents Inc. Halogen resistant hydrotreating process and catalyst
US5565092A (en) * 1994-03-16 1996-10-15 Exxon Chemical Patents Inc. Halogen resistant hydrogenation process and catalyst

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