JPS5382742A - Purification of arom. - Google Patents

Purification of arom.

Info

Publication number
JPS5382742A
JPS5382742A JP14592276A JP14592276A JPS5382742A JP S5382742 A JPS5382742 A JP S5382742A JP 14592276 A JP14592276 A JP 14592276A JP 14592276 A JP14592276 A JP 14592276A JP S5382742 A JPS5382742 A JP S5382742A
Authority
JP
Japan
Prior art keywords
arom
purification
catalysts
contacting
soln
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
JP14592276A
Other languages
Japanese (ja)
Other versions
JPS5924970B2 (en
Inventor
Katsuro Kuze
Kyoichi Mizuguchi
Hiroyoshi Kamatani
Makoto Komatsu
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.)
Mizushima Aroma Co Ltd
Mitsubishi Gas Chemical Co Inc
Toyobo Co Ltd
Original Assignee
Mizushima Aroma Co Ltd
Mitsubishi Gas Chemical Co Inc
Toyobo 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 Mizushima Aroma Co Ltd, Mitsubishi Gas Chemical Co Inc, Toyobo Co Ltd filed Critical Mizushima Aroma Co Ltd
Priority to JP51145922A priority Critical patent/JPS5924970B2/en
Publication of JPS5382742A publication Critical patent/JPS5382742A/en
Publication of JPS5924970B2 publication Critical patent/JPS5924970B2/en
Expired legal-status Critical Current

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

Abstract

PURPOSE: To prepare highly pure arom. dicarboxylic acid by contacting an aq. soln. of crude arom. dicarboxylic acids with catalysts, followed by contacting with the catalysts and hydrogen.
COPYRIGHT: (C)1978,JPO&Japio
JP51145922A 1976-12-03 1976-12-03 Purification method for aromatic dicarboxylic acids Expired JPS5924970B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51145922A JPS5924970B2 (en) 1976-12-03 1976-12-03 Purification method for aromatic dicarboxylic acids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51145922A JPS5924970B2 (en) 1976-12-03 1976-12-03 Purification method for aromatic dicarboxylic acids

Publications (2)

Publication Number Publication Date
JPS5382742A true JPS5382742A (en) 1978-07-21
JPS5924970B2 JPS5924970B2 (en) 1984-06-13

Family

ID=15396175

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51145922A Expired JPS5924970B2 (en) 1976-12-03 1976-12-03 Purification method for aromatic dicarboxylic acids

Country Status (1)

Country Link
JP (1) JPS5924970B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4728630A (en) * 1985-10-07 1988-03-01 Amoco Corporation Rhodium on carbon catalyst

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4933189A (en) * 1972-07-31 1974-03-27

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4933189A (en) * 1972-07-31 1974-03-27

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4728630A (en) * 1985-10-07 1988-03-01 Amoco Corporation Rhodium on carbon catalyst

Also Published As

Publication number Publication date
JPS5924970B2 (en) 1984-06-13

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