JPS52101687A - Recovery of catalyst - Google Patents

Recovery of catalyst

Info

Publication number
JPS52101687A
JPS52101687A JP1912276A JP1912276A JPS52101687A JP S52101687 A JPS52101687 A JP S52101687A JP 1912276 A JP1912276 A JP 1912276A JP 1912276 A JP1912276 A JP 1912276A JP S52101687 A JPS52101687 A JP S52101687A
Authority
JP
Japan
Prior art keywords
catalyst
recovery
recycle
xylene
oxidizing
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
JP1912276A
Other languages
Japanese (ja)
Other versions
JPS5541143B2 (en
Inventor
Katsuya Murakami
Takanori Tsugiya
Masahiro Igari
Tetsuo Mizukami
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.)
Kuraray Yuka Co Ltd
Original Assignee
Kuraray Yuka 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 Kuraray Yuka Co Ltd filed Critical Kuraray Yuka Co Ltd
Priority to JP1912276A priority Critical patent/JPS52101687A/en
Publication of JPS52101687A publication Critical patent/JPS52101687A/en
Publication of JPS5541143B2 publication Critical patent/JPS5541143B2/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 recover the catalytic activity of used catalyst and recycle by distilling out water and a part of acetic acid from reaction mother liquor containing the catalyst and oxidizing the liquor along with a small amount of p-xylene at high temperature.
COPYRIGHT: (C)1977,JPO&Japio
JP1912276A 1976-02-23 1976-02-23 Recovery of catalyst Granted JPS52101687A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1912276A JPS52101687A (en) 1976-02-23 1976-02-23 Recovery of catalyst

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1912276A JPS52101687A (en) 1976-02-23 1976-02-23 Recovery of catalyst

Publications (2)

Publication Number Publication Date
JPS52101687A true JPS52101687A (en) 1977-08-25
JPS5541143B2 JPS5541143B2 (en) 1980-10-22

Family

ID=11990654

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1912276A Granted JPS52101687A (en) 1976-02-23 1976-02-23 Recovery of catalyst

Country Status (1)

Country Link
JP (1) JPS52101687A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5513255A (en) * 1978-07-17 1980-01-30 Mitsubishi Gas Chem Co Inc Preparation of terephthalic acid
JPS58500525A (en) * 1981-04-22 1983-04-07 リユ−トガ−スヴエルケ　アクチエンゲゼルシヤフト Oxidation method for reactive aromatic compounds

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5513255A (en) * 1978-07-17 1980-01-30 Mitsubishi Gas Chem Co Inc Preparation of terephthalic acid
JPS5751818B2 (en) * 1978-07-17 1982-11-04
JPS58500525A (en) * 1981-04-22 1983-04-07 リユ−トガ−スヴエルケ　アクチエンゲゼルシヤフト Oxidation method for reactive aromatic compounds

Also Published As

Publication number Publication date
JPS5541143B2 (en) 1980-10-22

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