JPS5294892A - Recovery of catalyst - Google Patents

Recovery of catalyst

Info

Publication number
JPS5294892A
JPS5294892A JP1132676A JP1132676A JPS5294892A JP S5294892 A JPS5294892 A JP S5294892A JP 1132676 A JP1132676 A JP 1132676A JP 1132676 A JP1132676 A JP 1132676A JP S5294892 A JPS5294892 A JP S5294892A
Authority
JP
Japan
Prior art keywords
catalyst
recovery
phenylenediamine
precipitating
recover
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
JP1132676A
Other languages
Japanese (ja)
Other versions
JPS5624578B2 (en
Inventor
Michiaki Oshio
Kenichi Matsubara
Yukihiro Tsutsumi
Mitsuo Kikuchi
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.)
Tosoh Corp
Original Assignee
Toyo Soda Manufacturing 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 Toyo Soda Manufacturing Co Ltd filed Critical Toyo Soda Manufacturing Co Ltd
Priority to JP1132676A priority Critical patent/JPS5294892A/en
Publication of JPS5294892A publication Critical patent/JPS5294892A/en
Publication of JPS5624578B2 publication Critical patent/JPS5624578B2/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
    • Y02P20/584—Recycling of catalysts

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

PURPOSE: To efficiently separate and recover Cu compounds used as catalyst while maintaining the highly catalytic activity by precipitating Cu catalyst components from a liquid reaction product in which formed phenylenediamine and Cu catalyst are contained under strongly basic condition.
COPYRIGHT: (C)1977,JPO&Japio
JP1132676A 1976-02-06 1976-02-06 Recovery of catalyst Granted JPS5294892A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1132676A JPS5294892A (en) 1976-02-06 1976-02-06 Recovery of catalyst

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1132676A JPS5294892A (en) 1976-02-06 1976-02-06 Recovery of catalyst

Publications (2)

Publication Number Publication Date
JPS5294892A true JPS5294892A (en) 1977-08-09
JPS5624578B2 JPS5624578B2 (en) 1981-06-06

Family

ID=11774891

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1132676A Granted JPS5294892A (en) 1976-02-06 1976-02-06 Recovery of catalyst

Country Status (1)

Country Link
JP (1) JPS5294892A (en)

Also Published As

Publication number Publication date
JPS5624578B2 (en) 1981-06-06

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