JPS57130546A - Catalyst for fluidized layer - Google Patents

Catalyst for fluidized layer

Info

Publication number
JPS57130546A
JPS57130546A JP56015025A JP1502581A JPS57130546A JP S57130546 A JPS57130546 A JP S57130546A JP 56015025 A JP56015025 A JP 56015025A JP 1502581 A JP1502581 A JP 1502581A JP S57130546 A JPS57130546 A JP S57130546A
Authority
JP
Japan
Prior art keywords
catalyst
crushed
particle size
fluidized layer
reactivated
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.)
Granted
Application number
JP56015025A
Other languages
Japanese (ja)
Other versions
JPS6330065B2 (en
Inventor
Yoshiaki Toyoda
Yoshihiro Ikeda
Nobumasa Arashiba
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.)
Mitsui Toatsu Chemicals Inc
Original Assignee
Mitsui Toatsu Chemicals Inc
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 Mitsui Toatsu Chemicals Inc filed Critical Mitsui Toatsu Chemicals Inc
Priority to JP56015025A priority Critical patent/JPS57130546A/en
Publication of JPS57130546A publication Critical patent/JPS57130546A/en
Publication of JPS6330065B2 publication Critical patent/JPS6330065B2/ja
Granted 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
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
    • 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

PURPOSE: To obtain the fluidized layer catalyst with high activity good in a flowing state by a method wherein the deactivated catalyst containing molybdenum is crushed and, after crushing, the crushed catalyst is subjected to heat treatment in a reductive gas and fired in a molecular oxygen containing gas to be reactivated and the particle size thereof is adjusted.
CONSTITUTION: The deactivated catalyst which is used in reaction and of which activity is lowered is crushed at first into a particle size of 5W150μ and, after crushing, the crushed catalyst is subjected to heat treatment at 200W700°C in a reductive gas atmosphere and further fired in a molecular oxygen containing gas atmosphere to obtain the reactivated catalyst. After this treatment, particle size distrubution of the reactivated catalyst is adjusted in such a manner that 20W50wt% thereof is 44μ or less and 90wt% or more is 5W150μ to obtain the fluidized layer catalyst. By this method, loss of the catalyst is prevented and, by particle size adjustment after recovery and reactivation, the fluidized layer catalyst showing a good flowing state is obtained.
COPYRIGHT: (C)1982,JPO&Japio
JP56015025A 1981-02-05 1981-02-05 Catalyst for fluidized layer Granted JPS57130546A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56015025A JPS57130546A (en) 1981-02-05 1981-02-05 Catalyst for fluidized layer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56015025A JPS57130546A (en) 1981-02-05 1981-02-05 Catalyst for fluidized layer

Publications (2)

Publication Number Publication Date
JPS57130546A true JPS57130546A (en) 1982-08-13
JPS6330065B2 JPS6330065B2 (en) 1988-06-16

Family

ID=11877293

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56015025A Granted JPS57130546A (en) 1981-02-05 1981-02-05 Catalyst for fluidized layer

Country Status (1)

Country Link
JP (1) JPS57130546A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0767165A1 (en) * 1995-10-07 1997-04-09 BASF Aktiengesellschaft Process for the preparation of aromatic or heteroaromatic nitriles
JP2002233768A (en) * 2001-02-06 2002-08-20 Daiyanitorikkusu Kk Ammoxidation catalyst and production of nitrile compound using the same

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5010717A (en) * 1973-06-04 1975-02-04
JPS5023674A (en) * 1973-07-02 1975-03-13
JPS5049201A (en) * 1973-08-20 1975-05-01
JPS50125984A (en) * 1974-03-23 1975-10-03
JPS5495513A (en) * 1977-12-31 1979-07-28 Asahi Chem Ind Co Ltd Preparation of acrylonitrile

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5010717A (en) * 1973-06-04 1975-02-04
JPS5023674A (en) * 1973-07-02 1975-03-13
JPS5049201A (en) * 1973-08-20 1975-05-01
JPS50125984A (en) * 1974-03-23 1975-10-03
JPS5495513A (en) * 1977-12-31 1979-07-28 Asahi Chem Ind Co Ltd Preparation of acrylonitrile

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0767165A1 (en) * 1995-10-07 1997-04-09 BASF Aktiengesellschaft Process for the preparation of aromatic or heteroaromatic nitriles
US5952262A (en) * 1995-10-07 1999-09-14 Basf Aktiengesellschaft Preparation of aromatic or heteroaromatic nitriles
JP2002233768A (en) * 2001-02-06 2002-08-20 Daiyanitorikkusu Kk Ammoxidation catalyst and production of nitrile compound using the same

Also Published As

Publication number Publication date
JPS6330065B2 (en) 1988-06-16

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