JPS5371026A - Preparation of purified terephthalic acid - Google Patents

Preparation of purified terephthalic acid

Info

Publication number
JPS5371026A
JPS5371026A JP14468876A JP14468876A JPS5371026A JP S5371026 A JPS5371026 A JP S5371026A JP 14468876 A JP14468876 A JP 14468876A JP 14468876 A JP14468876 A JP 14468876A JP S5371026 A JPS5371026 A JP S5371026A
Authority
JP
Japan
Prior art keywords
terephthalic acid
preparation
purified terephthalic
acid
obtd
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
JP14468876A
Other languages
Japanese (ja)
Inventor
Takeshi Uchiyama
Susumu Taniguchi
Yoshio Noguchi
Kenji Nakaoka
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.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
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 Toray Industries Inc filed Critical Toray Industries Inc
Priority to JP14468876A priority Critical patent/JPS5371026A/en
Publication of JPS5371026A publication Critical patent/JPS5371026A/en
Pending legal-status Critical Current

Links

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

Abstract

PURPOSE: To prepare the title acid by washing crude terephthalic acid, obtd. by oxidation of p-xylene with air in acetic acid as a solvent at 120-200°C in a reactor whose internal surface material is specific stainless steel.
COPYRIGHT: (C)1978,JPO&Japio
JP14468876A 1976-12-03 1976-12-03 Preparation of purified terephthalic acid Pending JPS5371026A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14468876A JPS5371026A (en) 1976-12-03 1976-12-03 Preparation of purified terephthalic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14468876A JPS5371026A (en) 1976-12-03 1976-12-03 Preparation of purified terephthalic acid

Publications (1)

Publication Number Publication Date
JPS5371026A true JPS5371026A (en) 1978-06-24

Family

ID=15367937

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14468876A Pending JPS5371026A (en) 1976-12-03 1976-12-03 Preparation of purified terephthalic acid

Country Status (1)

Country Link
JP (1) JPS5371026A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100251884B1 (en) * 1992-05-21 2002-06-27 이.아이,듀우판드네모아앤드캄파니 Oxidation Process Using Bromine Catalyst

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4920145A (en) * 1972-06-23 1974-02-22

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4920145A (en) * 1972-06-23 1974-02-22

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100251884B1 (en) * 1992-05-21 2002-06-27 이.아이,듀우판드네모아앤드캄파니 Oxidation Process Using Bromine Catalyst

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