JPS5640656A - Recovering method of adiponitrile - Google Patents

Recovering method of adiponitrile

Info

Publication number
JPS5640656A
JPS5640656A JP11668779A JP11668779A JPS5640656A JP S5640656 A JPS5640656 A JP S5640656A JP 11668779 A JP11668779 A JP 11668779A JP 11668779 A JP11668779 A JP 11668779A JP S5640656 A JPS5640656 A JP S5640656A
Authority
JP
Japan
Prior art keywords
adn
tch
catalyst
adiponitrile
vapor phase
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
JP11668779A
Other languages
Japanese (ja)
Other versions
JPS6215068B2 (en
Inventor
Shozo Fujimori
Kazunori Yamataka
Toshiro Isotani
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.)
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry 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 Asahi Chemical Industry Co Ltd filed Critical Asahi Chemical Industry Co Ltd
Priority to JP11668779A priority Critical patent/JPS5640656A/en
Publication of JPS5640656A publication Critical patent/JPS5640656A/en
Publication of JPS6215068B2 publication Critical patent/JPS6215068B2/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

Abstract

PURPOSE: To recover adiponitrile (ADN) effectively, by decomposing 1,3,6-tricyanohexane (TCH) which is a by-product in the preparation of ADN and has no effective method of utilization under heating.
CONSTITUTION: 1,3,6-Tricyanohexane (TCH) is decomposed into acrylonitrile (AN) and adiponitrile (ADN) by heating TCH at least a temperature of 300°C in the liquid or vapor phase to recover ADN. The reaction is preferably carried out in the vapor phase in the presence of a catalyst and has a great temperature dependence. In the vapor phase reaction, the conversion of TCH increases monotonously with increasing temperature; however, the selectivity for ADN is maximum in a certain temperature range which depends upon the feed rates of the catalyst and TCH. A noble metal, an oxide, a solid base catalysts, etc. may be cited as the catalyst.
EFFECT: AN is recoverable simultaneously and usable as a synthetic raw material for ADN.
COPYRIGHT: (C)1981,JPO&Japio
JP11668779A 1979-09-13 1979-09-13 Recovering method of adiponitrile Granted JPS5640656A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11668779A JPS5640656A (en) 1979-09-13 1979-09-13 Recovering method of adiponitrile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11668779A JPS5640656A (en) 1979-09-13 1979-09-13 Recovering method of adiponitrile

Publications (2)

Publication Number Publication Date
JPS5640656A true JPS5640656A (en) 1981-04-16
JPS6215068B2 JPS6215068B2 (en) 1987-04-06

Family

ID=14693376

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11668779A Granted JPS5640656A (en) 1979-09-13 1979-09-13 Recovering method of adiponitrile

Country Status (1)

Country Link
JP (1) JPS5640656A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0373240U (en) * 1989-11-20 1991-07-24
JPH03104933U (en) * 1990-02-14 1991-10-30

Also Published As

Publication number Publication date
JPS6215068B2 (en) 1987-04-06

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