KR910005989B1 - 테레프탈산 제조공정의 용매 정제법 - Google Patents
테레프탈산 제조공정의 용매 정제법 Download PDFInfo
- Publication number
- KR910005989B1 KR910005989B1 KR1019880015933A KR880015933A KR910005989B1 KR 910005989 B1 KR910005989 B1 KR 910005989B1 KR 1019880015933 A KR1019880015933 A KR 1019880015933A KR 880015933 A KR880015933 A KR 880015933A KR 910005989 B1 KR910005989 B1 KR 910005989B1
- Authority
- KR
- South Korea
- Prior art keywords
- acetic acid
- solvent
- water
- terephthalic acid
- concentration
- 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.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C63/00—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
- C07C63/14—Monocyclic dicarboxylic acids
- C07C63/15—Monocyclic dicarboxylic acids all carboxyl groups bound to carbon atoms of the six-membered aromatic ring
- C07C63/26—1,4 - Benzenedicarboxylic acid
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (1)
- 테레프탈산 제조시의 용매로 사용된 초산의 분리 방법에 있어서, 반응기에서 반응생성물과 용매의 혼합물로 분리시킨후 용매의 혼합물(초산농도 70%)를 탈수탑에 이송시키고 초산의 농도를 40-60%로 희석시켜 공비 증류탑으로 이송시킨 다음 노르만 부틸 아세테이트(NBA)를 사용하여 공비 혼합물을 만든 후 탑저로부터 농축된 초산을 회수하고 탑정으로부터 물 - NBA 공비 혼합물을 회수함을 특징으로 하는 테레프탈산 제조공정의 용매 정제법.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019880015933A KR910005989B1 (ko) | 1988-11-30 | 1988-11-30 | 테레프탈산 제조공정의 용매 정제법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019880015933A KR910005989B1 (ko) | 1988-11-30 | 1988-11-30 | 테레프탈산 제조공정의 용매 정제법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR900007773A KR900007773A (ko) | 1990-06-01 |
| KR910005989B1 true KR910005989B1 (ko) | 1991-08-09 |
Family
ID=19279773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019880015933A Expired KR910005989B1 (ko) | 1988-11-30 | 1988-11-30 | 테레프탈산 제조공정의 용매 정제법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR910005989B1 (ko) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7273559B2 (en) | 2004-10-28 | 2007-09-25 | Eastman Chemical Company | Process for removal of impurities from an oxidizer purge stream |
| US7282151B2 (en) | 2003-06-05 | 2007-10-16 | Eastman Chemical Company | Process for removal of impurities from mother liquor in the synthesis of carboxylic acid using pressure filtration |
| US7291270B2 (en) | 2004-10-28 | 2007-11-06 | Eastman Chemical Company | Process for removal of impurities from an oxidizer purge stream |
| US7351396B2 (en) | 2003-06-05 | 2008-04-01 | Eastman Chemical Company | Extraction process for removal of impurities from an aqueous mixture |
| US7381386B2 (en) | 2003-06-05 | 2008-06-03 | Eastman Chemical Company | Extraction process for removal of impurities from mother liquor in the synthesis of carboxylic acid |
| US7402694B2 (en) | 2005-08-11 | 2008-07-22 | Eastman Chemical Company | Process for removal of benzoic acid from an oxidizer purge stream |
| US7410632B2 (en) | 2003-06-05 | 2008-08-12 | Eastman Chemical Company | Extraction process for removal of impurities from mother liquor in the synthesis of carboxylic acid |
| US7452522B2 (en) | 2003-06-05 | 2008-11-18 | Eastman Chemical Company | Extraction process for removal of impurities from an oxidizer purge stream in the synthesis of carboxylic acid |
| US7494641B2 (en) | 2003-06-05 | 2009-02-24 | Eastman Chemical Company | Extraction process for removal of impurities from an oxidizer purge stream in the synthesis of carboxylic acid |
| US7569722B2 (en) | 2005-08-11 | 2009-08-04 | Eastman Chemical Company | Process for removal of benzoic acid from an oxidizer purge stream |
| US7759516B2 (en) | 2006-03-01 | 2010-07-20 | Eastman Chemical Company | Versatile oxidation byproduct purge process |
| US7863481B2 (en) | 2006-03-01 | 2011-01-04 | Eastman Chemical Company | Versatile oxidation byproduct purge process |
| US7880032B2 (en) | 2006-03-01 | 2011-02-01 | Eastman Chemical Company | Versatile oxidation byproduct purge process |
| US7888530B2 (en) | 2004-09-02 | 2011-02-15 | Eastman Chemical Company | Optimized production of aromatic dicarboxylic acids |
| US7897810B2 (en) | 2004-09-02 | 2011-03-01 | Eastman Chemical Company | Optimized production of aromatic dicarboxylic acids |
| US7897808B2 (en) | 2006-03-01 | 2011-03-01 | Eastman Chemical Company | Versatile oxidation byproduct purge process |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114057568B (zh) * | 2020-07-29 | 2024-04-19 | 三达膜科技(厦门)有限公司 | 将精对苯二甲酸生产中主装置外排稀醋酸水回收的方法 |
-
1988
- 1988-11-30 KR KR1019880015933A patent/KR910005989B1/ko not_active Expired
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7282151B2 (en) | 2003-06-05 | 2007-10-16 | Eastman Chemical Company | Process for removal of impurities from mother liquor in the synthesis of carboxylic acid using pressure filtration |
| US7351396B2 (en) | 2003-06-05 | 2008-04-01 | Eastman Chemical Company | Extraction process for removal of impurities from an aqueous mixture |
| US7381386B2 (en) | 2003-06-05 | 2008-06-03 | Eastman Chemical Company | Extraction process for removal of impurities from mother liquor in the synthesis of carboxylic acid |
| US7410632B2 (en) | 2003-06-05 | 2008-08-12 | Eastman Chemical Company | Extraction process for removal of impurities from mother liquor in the synthesis of carboxylic acid |
| US7452522B2 (en) | 2003-06-05 | 2008-11-18 | Eastman Chemical Company | Extraction process for removal of impurities from an oxidizer purge stream in the synthesis of carboxylic acid |
| US7470370B2 (en) | 2003-06-05 | 2008-12-30 | Eastman Chemical Company | Process for removal of impurities from mother liquor in the synthesis of carboxylic acid using pressure filtration |
| US7494641B2 (en) | 2003-06-05 | 2009-02-24 | Eastman Chemical Company | Extraction process for removal of impurities from an oxidizer purge stream in the synthesis of carboxylic acid |
| US7888530B2 (en) | 2004-09-02 | 2011-02-15 | Eastman Chemical Company | Optimized production of aromatic dicarboxylic acids |
| US7959879B2 (en) | 2004-09-02 | 2011-06-14 | Grupo Petrotemex, S.A. De C.V. | Optimized production of aromatic dicarboxylic acids |
| US7897810B2 (en) | 2004-09-02 | 2011-03-01 | Eastman Chemical Company | Optimized production of aromatic dicarboxylic acids |
| US7291270B2 (en) | 2004-10-28 | 2007-11-06 | Eastman Chemical Company | Process for removal of impurities from an oxidizer purge stream |
| US7273559B2 (en) | 2004-10-28 | 2007-09-25 | Eastman Chemical Company | Process for removal of impurities from an oxidizer purge stream |
| US7402694B2 (en) | 2005-08-11 | 2008-07-22 | Eastman Chemical Company | Process for removal of benzoic acid from an oxidizer purge stream |
| US7569722B2 (en) | 2005-08-11 | 2009-08-04 | Eastman Chemical Company | Process for removal of benzoic acid from an oxidizer purge stream |
| US7880032B2 (en) | 2006-03-01 | 2011-02-01 | Eastman Chemical Company | Versatile oxidation byproduct purge process |
| US7863481B2 (en) | 2006-03-01 | 2011-01-04 | Eastman Chemical Company | Versatile oxidation byproduct purge process |
| US7759516B2 (en) | 2006-03-01 | 2010-07-20 | Eastman Chemical Company | Versatile oxidation byproduct purge process |
| US7897808B2 (en) | 2006-03-01 | 2011-03-01 | Eastman Chemical Company | Versatile oxidation byproduct purge process |
| US7902395B2 (en) | 2006-03-01 | 2011-03-08 | Eastman Chemical Company | Versatile oxidation byproduct purge process |
| US7956215B2 (en) | 2006-03-01 | 2011-06-07 | Grupo Petrotemex, S.A. De C.V. | Versatile oxidation byproduct purge process |
Also Published As
| Publication number | Publication date |
|---|---|
| KR900007773A (ko) | 1990-06-01 |
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