JPS5371026A - Preparation of purified terephthalic acid - Google Patents
Preparation of purified terephthalic acidInfo
- 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
Links
Landscapes
- 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
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4920145A (en) * | 1972-06-23 | 1974-02-22 |
-
1976
- 1976-12-03 JP JP14468876A patent/JPS5371026A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4920145A (en) * | 1972-06-23 | 1974-02-22 |
Cited By (1)
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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