JPS5753431A - Improved washing column washing process for crude terephthalic acid - Google Patents
Improved washing column washing process for crude terephthalic acidInfo
- Publication number
- JPS5753431A JPS5753431A JP11431681A JP11431681A JPS5753431A JP S5753431 A JPS5753431 A JP S5753431A JP 11431681 A JP11431681 A JP 11431681A JP 11431681 A JP11431681 A JP 11431681A JP S5753431 A JPS5753431 A JP S5753431A
- Authority
- JP
- Japan
- Prior art keywords
- terephthalic acid
- crude terephthalic
- improved
- washing
- washing process
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17037880A | 1980-07-21 | 1980-07-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5753431A true JPS5753431A (en) | 1982-03-30 |
Family
ID=22619638
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11431681A Pending JPS5753431A (en) | 1980-07-21 | 1981-07-21 | Improved washing column washing process for crude terephthalic acid |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5753431A (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01160942A (en) * | 1987-12-17 | 1989-06-23 | Mitsui Petrochem Ind Ltd | Method for exchanging dispersion medium of terephthalic acid slurry |
EP0719576A1 (en) | 1994-12-26 | 1996-07-03 | Mitsubishi Gas Chemical Company, Inc. | Process for producing highly pure terephthalic acid |
WO2007145149A1 (en) * | 2006-06-12 | 2007-12-21 | Mitsubishi Gas Chemical Company, Inc. | Method of replacing dispersion medium |
WO2008013100A1 (en) * | 2006-07-24 | 2008-01-31 | Mitsubishi Gas Chemical Company, Inc. | Method of replacing dispersion medium |
CN102040512A (en) * | 2009-10-13 | 2011-05-04 | 中国石油化工股份有限公司 | Crude terephthalic acid mother solution replacing method |
US9144750B2 (en) | 2006-06-12 | 2015-09-29 | Mitsubishi Gas Chemical Company, Ltd. | Method of replacing dispersion medium and apparatus therefor |
KR20180033124A (en) | 2015-07-22 | 2018-04-02 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | Method for producing high purity terephthalic acid |
KR20180132656A (en) | 2016-03-31 | 2018-12-12 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | Method for producing terephthalic acid |
KR20190046866A (en) | 2016-09-14 | 2019-05-07 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | Method for producing high purity terephthalic acid |
-
1981
- 1981-07-21 JP JP11431681A patent/JPS5753431A/en active Pending
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01160942A (en) * | 1987-12-17 | 1989-06-23 | Mitsui Petrochem Ind Ltd | Method for exchanging dispersion medium of terephthalic acid slurry |
US5008450A (en) * | 1987-12-17 | 1991-04-16 | Mitsui Petrochemical Industries, Ltd. | Process for exchanging dispersing medium of terephthalic acid slurry |
EP0719576A1 (en) | 1994-12-26 | 1996-07-03 | Mitsubishi Gas Chemical Company, Inc. | Process for producing highly pure terephthalic acid |
US8247604B2 (en) | 2006-06-12 | 2012-08-21 | Mitsubishi Gas Chemical Company, Inc. | Method of replacing dispersion medium |
WO2007145149A1 (en) * | 2006-06-12 | 2007-12-21 | Mitsubishi Gas Chemical Company, Inc. | Method of replacing dispersion medium |
US9144750B2 (en) | 2006-06-12 | 2015-09-29 | Mitsubishi Gas Chemical Company, Ltd. | Method of replacing dispersion medium and apparatus therefor |
WO2008013100A1 (en) * | 2006-07-24 | 2008-01-31 | Mitsubishi Gas Chemical Company, Inc. | Method of replacing dispersion medium |
US8247605B2 (en) | 2006-07-24 | 2012-08-21 | Mitsubishi Gas Chemical Company, Inc. | Method of replacing dispersion medium |
CN102040512A (en) * | 2009-10-13 | 2011-05-04 | 中国石油化工股份有限公司 | Crude terephthalic acid mother solution replacing method |
KR20180033124A (en) | 2015-07-22 | 2018-04-02 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | Method for producing high purity terephthalic acid |
US10273197B2 (en) | 2015-07-22 | 2019-04-30 | Mitsubishi Gas Chemical Company, Inc. | Method for producing high-purity terephthalic acid |
KR20180132656A (en) | 2016-03-31 | 2018-12-12 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | Method for producing terephthalic acid |
US10385001B2 (en) | 2016-03-31 | 2019-08-20 | Mitsubishi Gas Chemical Company, Inc. | Method of producing terephthalic acid |
KR20190046866A (en) | 2016-09-14 | 2019-05-07 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | Method for producing high purity terephthalic acid |
US10683253B2 (en) | 2016-09-14 | 2020-06-16 | Mitsubishi Gas Chemical Company, Inc. | Method for producing high-purity terephthalic acid |
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