JPS53108938A - Improved process for producing phthalic anhydride - Google Patents

Improved process for producing phthalic anhydride

Info

Publication number
JPS53108938A
JPS53108938A JP2375677A JP2375677A JPS53108938A JP S53108938 A JPS53108938 A JP S53108938A JP 2375677 A JP2375677 A JP 2375677A JP 2375677 A JP2375677 A JP 2375677A JP S53108938 A JPS53108938 A JP S53108938A
Authority
JP
Japan
Prior art keywords
phthalic anhydride
improved process
producing phthalic
producing
recrystallized
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
JP2375677A
Other languages
Japanese (ja)
Other versions
JPS6037107B2 (en
Inventor
Yasushi Nishisaka
Takeshi Abe
Motoo Kawamata
Kazufumi Oshima
Makoto Kotani
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 JP52023756A priority Critical patent/JPS6037107B2/en
Publication of JPS53108938A publication Critical patent/JPS53108938A/en
Publication of JPS6037107B2 publication Critical patent/JPS6037107B2/en
Expired 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

Abstract

PURPOSE: o-Xylene is catalytically oxidized using highly active V2O5-supporting catalyst containing V2O5 recrystallized from the molten state in a specific proportion to produce phthalic anhydride efficiently.
COPYRIGHT: (C)1978,JPO&Japio
JP52023756A 1977-03-07 1977-03-07 Improved method for producing phthalic anhydride Expired JPS6037107B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52023756A JPS6037107B2 (en) 1977-03-07 1977-03-07 Improved method for producing phthalic anhydride

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52023756A JPS6037107B2 (en) 1977-03-07 1977-03-07 Improved method for producing phthalic anhydride

Publications (2)

Publication Number Publication Date
JPS53108938A true JPS53108938A (en) 1978-09-22
JPS6037107B2 JPS6037107B2 (en) 1985-08-24

Family

ID=12119161

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52023756A Expired JPS6037107B2 (en) 1977-03-07 1977-03-07 Improved method for producing phthalic anhydride

Country Status (1)

Country Link
JP (1) JPS6037107B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0313929Y2 (en) * 1986-10-27 1991-03-28

Also Published As

Publication number Publication date
JPS6037107B2 (en) 1985-08-24

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