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JPS52108946A - Production of purified terephthalic acid - Google Patents

Production of purified terephthalic acid

Info

Publication number
JPS52108946A
JPS52108946A JP2439876A JP2439876A JPS52108946A JP S52108946 A JPS52108946 A JP S52108946A JP 2439876 A JP2439876 A JP 2439876A JP 2439876 A JP2439876 A JP 2439876A JP S52108946 A JPS52108946 A JP S52108946A
Authority
JP
Japan
Prior art keywords
terephthalic acid
production
purified terephthalic
dialkylbenzene
xylene
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
JP2439876A
Other languages
Japanese (ja)
Other versions
JPS565380B2 (en
Inventor
Toshiaki Takuma
Katsuya Murakami
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 JP2439876A priority Critical patent/JPS52108946A/en
Publication of JPS52108946A publication Critical patent/JPS52108946A/en
Publication of JPS565380B2 publication Critical patent/JPS565380B2/ja
Granted legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To produce highly purified terephthalic acid by charging p-dialkylbenzene and oxygen in pulverized crystals of terephthalic acid of the product mixture of the liquid phase oxidation of p-xylene using air for purification.
COPYRIGHT: (C)1977,JPO&Japio
JP2439876A 1976-03-05 1976-03-05 Production of purified terephthalic acid Granted JPS52108946A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2439876A JPS52108946A (en) 1976-03-05 1976-03-05 Production of purified terephthalic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2439876A JPS52108946A (en) 1976-03-05 1976-03-05 Production of purified terephthalic acid

Publications (2)

Publication Number Publication Date
JPS52108946A true JPS52108946A (en) 1977-09-12
JPS565380B2 JPS565380B2 (en) 1981-02-04

Family

ID=12137050

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2439876A Granted JPS52108946A (en) 1976-03-05 1976-03-05 Production of purified terephthalic acid

Country Status (1)

Country Link
JP (1) JPS52108946A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2386512A1 (en) * 1977-04-04 1978-11-03 Huels Chemische Werke Ag TEREPHTHALIC ACID PURIFICATION PROCESS
JPS5540634A (en) * 1978-09-15 1980-03-22 Kuraray Yuka Kk Preparation of high purity terephthalic acid
JPS59104345A (en) * 1982-12-03 1984-06-16 Kuraray Yuka Kk Production of terephthalic acid suitable for direct polymerization
JP2008511640A (en) * 2004-09-02 2008-04-17 イーストマン ケミカル カンパニー Optimized liquid phase oxidation
JP2008511656A (en) * 2004-09-02 2008-04-17 イーストマン ケミカル カンパニー Crude terephthalic acid composition and method for producing the same
JP2008511647A (en) * 2004-09-02 2008-04-17 イーストマン ケミカル カンパニー Optimized liquid phase oxidation
JP2008511665A (en) * 2004-09-02 2008-04-17 イーストマン ケミカル カンパニー Optimized liquid phase oxidation

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2386512A1 (en) * 1977-04-04 1978-11-03 Huels Chemische Werke Ag TEREPHTHALIC ACID PURIFICATION PROCESS
JPS5540634A (en) * 1978-09-15 1980-03-22 Kuraray Yuka Kk Preparation of high purity terephthalic acid
JPS59104345A (en) * 1982-12-03 1984-06-16 Kuraray Yuka Kk Production of terephthalic acid suitable for direct polymerization
US4594449A (en) * 1982-12-03 1986-06-10 Kuraray Yuka Co., Ltd. Process for producing terephthalic acid suitable for use in direct polymerization
JP2008511640A (en) * 2004-09-02 2008-04-17 イーストマン ケミカル カンパニー Optimized liquid phase oxidation
JP2008511656A (en) * 2004-09-02 2008-04-17 イーストマン ケミカル カンパニー Crude terephthalic acid composition and method for producing the same
JP2008511647A (en) * 2004-09-02 2008-04-17 イーストマン ケミカル カンパニー Optimized liquid phase oxidation
JP2008511665A (en) * 2004-09-02 2008-04-17 イーストマン ケミカル カンパニー Optimized liquid phase oxidation

Also Published As

Publication number Publication date
JPS565380B2 (en) 1981-02-04

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