JPS5350130A - Purification of terephthalate or isophthalate - Google Patents

Purification of terephthalate or isophthalate

Info

Publication number
JPS5350130A
JPS5350130A JP12228576A JP12228576A JPS5350130A JP S5350130 A JPS5350130 A JP S5350130A JP 12228576 A JP12228576 A JP 12228576A JP 12228576 A JP12228576 A JP 12228576A JP S5350130 A JPS5350130 A JP S5350130A
Authority
JP
Japan
Prior art keywords
terephthalate
isophthalate
purification
crude
cotacting
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.)
Pending
Application number
JP12228576A
Other languages
Japanese (ja)
Inventor
Shigeji Shimizu
Kiyoto Koga
Yurimasa Zenitani
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 Petrochemical Industries Ltd
Original Assignee
Mitsui Petrochemical Industries 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 Mitsui Petrochemical Industries Ltd filed Critical Mitsui Petrochemical Industries Ltd
Priority to JP12228576A priority Critical patent/JPS5350130A/en
Publication of JPS5350130A publication Critical patent/JPS5350130A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To purify a crude terephthalate or a crude isophthalate containing an impurity of formylbenzoate by cotacting it with O2 gas in a liquid phase in the presence of an oxygenation catalyst of a certain catalytically active boron compound containing no heavy metals.
COPYRIGHT: (C)1978,JPO&Japio
JP12228576A 1976-10-14 1976-10-14 Purification of terephthalate or isophthalate Pending JPS5350130A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12228576A JPS5350130A (en) 1976-10-14 1976-10-14 Purification of terephthalate or isophthalate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12228576A JPS5350130A (en) 1976-10-14 1976-10-14 Purification of terephthalate or isophthalate

Publications (1)

Publication Number Publication Date
JPS5350130A true JPS5350130A (en) 1978-05-08

Family

ID=14832161

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12228576A Pending JPS5350130A (en) 1976-10-14 1976-10-14 Purification of terephthalate or isophthalate

Country Status (1)

Country Link
JP (1) JPS5350130A (en)

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