JPS5587744A - Recovery of terephthalic acid - Google Patents
Recovery of terephthalic acidInfo
- Publication number
- JPS5587744A JPS5587744A JP15927478A JP15927478A JPS5587744A JP S5587744 A JPS5587744 A JP S5587744A JP 15927478 A JP15927478 A JP 15927478A JP 15927478 A JP15927478 A JP 15927478A JP S5587744 A JPS5587744 A JP S5587744A
- Authority
- JP
- Japan
- Prior art keywords
- terephthalic acid
- column
- acetic acid
- suspension
- temperature
- 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
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 title abstract 12
- 238000011084 recovery Methods 0.000 title abstract 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 abstract 12
- 239000013078 crystal Substances 0.000 abstract 3
- 239000000725 suspension Substances 0.000 abstract 3
- 230000000694 effects Effects 0.000 abstract 2
- 230000003647 oxidation Effects 0.000 abstract 2
- 238000007254 oxidation reaction Methods 0.000 abstract 2
- 238000000746 purification Methods 0.000 abstract 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 abstract 1
- 150000001491 aromatic compounds Chemical class 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 229910001882 dioxygen Inorganic materials 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 239000007791 liquid phase Substances 0.000 abstract 1
- 238000006116 polymerization reaction Methods 0.000 abstract 1
- 230000000630 rising effect Effects 0.000 abstract 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15927478A JPS5587744A (en) | 1978-12-26 | 1978-12-26 | Recovery of terephthalic acid |
| GB7906255A GB2014985B (en) | 1978-02-23 | 1979-02-22 | Purification of terephthalic acid |
| US06/014,216 US4201871A (en) | 1978-02-23 | 1979-02-22 | Process for recovering terephthalic acid |
| DE2906945A DE2906945C2 (de) | 1978-02-23 | 1979-02-22 | Verfahren zur Gewinnung hochreiner Terephthalsäure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15927478A JPS5587744A (en) | 1978-12-26 | 1978-12-26 | Recovery of terephthalic acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5587744A true JPS5587744A (en) | 1980-07-02 |
Family
ID=15690190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15927478A Pending JPS5587744A (en) | 1978-02-23 | 1978-12-26 | Recovery of terephthalic acid |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5587744A (ja) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0719576A1 (en) | 1994-12-26 | 1996-07-03 | Mitsubishi Gas Chemical Company, Inc. | Process for producing highly pure terephthalic acid |
| EP0822176A3 (en) * | 1996-07-29 | 1998-11-04 | Mitsubishi Gas Chemical Company, Inc. | Process for producing highly pure terephthalic acid by use of dispersion medium replacement apparatus |
| JP2007517896A (ja) * | 2004-01-15 | 2007-07-05 | イーストマン ケミカル カンパニー | ポリエステル製造への使用に適した乾燥カルボン酸ケークの製造方法 |
| KR20180033124A (ko) | 2015-07-22 | 2018-04-02 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 고순도 테레프탈산의 제조방법 |
| KR20180132656A (ko) | 2016-03-31 | 2018-12-12 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 테레프탈산의 제조방법 |
| KR20190046866A (ko) | 2016-09-14 | 2019-05-07 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 고순도 테레프탈산의 제조방법 |
-
1978
- 1978-12-26 JP JP15927478A patent/JPS5587744A/ja active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0719576A1 (en) | 1994-12-26 | 1996-07-03 | Mitsubishi Gas Chemical Company, Inc. | Process for producing highly pure terephthalic acid |
| EP0822176A3 (en) * | 1996-07-29 | 1998-11-04 | Mitsubishi Gas Chemical Company, Inc. | Process for producing highly pure terephthalic acid by use of dispersion medium replacement apparatus |
| JP2007517896A (ja) * | 2004-01-15 | 2007-07-05 | イーストマン ケミカル カンパニー | ポリエステル製造への使用に適した乾燥カルボン酸ケークの製造方法 |
| KR20180033124A (ko) | 2015-07-22 | 2018-04-02 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 고순도 테레프탈산의 제조방법 |
| US10273197B2 (en) | 2015-07-22 | 2019-04-30 | Mitsubishi Gas Chemical Company, Inc. | Method for producing high-purity terephthalic acid |
| KR20180132656A (ko) | 2016-03-31 | 2018-12-12 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 테레프탈산의 제조방법 |
| US10385001B2 (en) | 2016-03-31 | 2019-08-20 | Mitsubishi Gas Chemical Company, Inc. | Method of producing terephthalic acid |
| KR20190046866A (ko) | 2016-09-14 | 2019-05-07 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 고순도 테레프탈산의 제조방법 |
| US10683253B2 (en) | 2016-09-14 | 2020-06-16 | Mitsubishi Gas Chemical Company, Inc. | Method for producing high-purity terephthalic acid |
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