SG52591A1 - Process for purifying acetic acid - Google Patents
Process for purifying acetic acidInfo
- Publication number
- SG52591A1 SG52591A1 SG1996006500A SG1996006500A SG52591A1 SG 52591 A1 SG52591 A1 SG 52591A1 SG 1996006500 A SG1996006500 A SG 1996006500A SG 1996006500 A SG1996006500 A SG 1996006500A SG 52591 A1 SG52591 A1 SG 52591A1
- Authority
- SG
- Singapore
- Prior art keywords
- acetic acid
- purifying acetic
- purifying
- acid
- acetic
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C53/00—Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen
- C07C53/08—Acetic acid
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP25400495 | 1995-09-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
SG52591A1 true SG52591A1 (en) | 1998-09-28 |
Family
ID=17258929
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG1996006500A SG52591A1 (en) | 1995-09-29 | 1996-03-08 | Process for purifying acetic acid |
Country Status (12)
Country | Link |
---|---|
US (1) | US5662780A (zh) |
KR (1) | KR100414249B1 (zh) |
CN (1) | CN1058700C (zh) |
BR (1) | BR9601031A (zh) |
CA (1) | CA2171228A1 (zh) |
DE (1) | DE19610356B4 (zh) |
FR (1) | FR2739377B1 (zh) |
GB (1) | GB2305664B (zh) |
MX (1) | MX9600930A (zh) |
MY (1) | MY112825A (zh) |
SG (1) | SG52591A1 (zh) |
TW (1) | TW330200B (zh) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6153792A (en) * | 1997-12-18 | 2000-11-28 | Uop Llc | Carbonylation process using a flash step with washing |
US6114576A (en) * | 1997-12-18 | 2000-09-05 | Uop Llc | Carbonylation process with integrated heat exchange |
DE19934410C1 (de) † | 1999-07-22 | 2000-12-14 | Consortium Elektrochem Ind | Verfahren zur Trennung und Reinigung eines wäßrigen Gemisches aus den Hauptkomponenten Essigsäure und Ameisensäure |
DE19934411C1 (de) | 1999-07-22 | 2001-03-22 | Consortium Elektrochem Ind | Verfahren zur Trennung und Reinigung einew wäßrigen Gemisches aus den Hauptkomponenten Essigsäure und Ameisensäure |
US20070068792A1 (en) * | 2005-09-23 | 2007-03-29 | Jang Jiyoung | System and method for acetic acid dehydration |
US8268131B2 (en) * | 2009-03-24 | 2012-09-18 | Amt International, Inc. | Apparatus and method for recovery of acetic acid from an aqueous solution thereof |
BR112012008066A2 (pt) * | 2009-08-27 | 2016-03-01 | Iogen Energy Corp | recuperação de ácidos carboxílicos voláteis por um sistema removedor-extrator |
US9217862B2 (en) | 2010-06-08 | 2015-12-22 | Prysm, Inc. | Local dimming on light-emitting screens for improved image uniformity in scanning beam display systems |
CN102952004B (zh) * | 2012-01-11 | 2015-01-21 | 河北工业大学 | 连续共沸精馏法分离乙二醇单甲醚和水的工艺方法 |
CN102659555A (zh) * | 2012-04-17 | 2012-09-12 | 华东理工大学 | 一种采用部分冷凝技术的醋酸脱水工艺 |
CN102875354A (zh) * | 2012-10-31 | 2013-01-16 | 南京工业大学 | 一种回收粗对苯二甲酸滤饼中醋酸的方法 |
US9149736B2 (en) * | 2012-12-13 | 2015-10-06 | Invista North America S.A.R.L. | Dehydration of acetic acid by azeotropic distillation in the production of an aromatic acid |
WO2016100769A1 (en) | 2014-12-19 | 2016-06-23 | Eastman Chemical Company | Quaternary phosphinates with co-solvents for extracting c1 to c4 carboxylic acids from aqueous streams |
FI126451B (fi) | 2014-12-23 | 2016-12-15 | Chempolis Oy | Prosessijärjestelmä kemikaalien erottelemiseksi, tislauskolonnijärjestely ja kemikaalien erottelumenetelmä |
US9611209B1 (en) | 2015-12-18 | 2017-04-04 | Eastman Chemical Company | Quaternary arylcarboxylate compositions for extracting C1 to C4 carboxylic acids from aqueous streams |
CN107406469B (zh) | 2015-12-18 | 2021-04-30 | 伊士曼化工公司 | 用于从水性料流中萃取c1至c4羧酸的季芳基羧酸盐组合物 |
CN116516707A (zh) * | 2018-05-28 | 2023-08-01 | 皮尔森生物工程技术(北京)有限公司 | 用于从植物材料的有机酸预处理回收产物的有效方法和组合物 |
CN109467501B (zh) * | 2018-08-03 | 2024-02-20 | 内蒙古蒙维科技有限公司 | 聚乙烯醇母液回收单元中醋酸精制及共沸剂再生工艺和装置 |
CN109467499A (zh) * | 2018-08-03 | 2019-03-15 | 天津大学 | 聚乙烯醇母液回收过程中醋酸甲酯水解与醋酸精制的防腐工艺及装置 |
CN109384666B (zh) * | 2018-11-26 | 2021-06-22 | 广州楹鼎生物科技有限公司 | 一种联动回收有机酸水溶液中有机酸的方法 |
KR102122433B1 (ko) * | 2019-07-03 | 2020-06-12 | 부경대학교 산학협력단 | 추출과 증류를 이용한 c2-6 유기산의 분리장치 및 이 장치를 이용한 분리방법 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2384374A (en) * | 1945-09-04 | Recovery of acetic acid in purified | ||
US998234A (en) * | 1909-08-17 | 1911-07-18 | William John Crossley | Process of recovering acetic acid in producer-gas plants. |
US1698798A (en) * | 1924-08-14 | 1929-01-15 | Barbet Ets | Rectification of acetic acid |
US2015870A (en) * | 1930-09-08 | 1935-10-01 | Melle Usines Sa | Process and apparatus for concentrating and esterifying aliphatic acids |
US2395010A (en) * | 1941-02-17 | 1946-02-19 | Donald F Othmer | Process for dehydration of acetic acid and other lower fatty acids |
US2438300A (en) * | 1944-04-07 | 1948-03-23 | Us Agriculture | Process for the purification of acetic acid by azeotropic distillation |
US2541486A (en) * | 1948-09-17 | 1951-02-13 | Eastman Kodak Co | Acid concentration |
US2698285A (en) * | 1949-05-28 | 1954-12-28 | Kellogg M W Co | Separation of organic acids by azeotropic distillation |
US2651605A (en) * | 1951-02-09 | 1953-09-08 | Courtaulds Ltd | Recovery of acetic acid from aqueous acetic acid solutions by extractive distillation |
US2893923A (en) * | 1954-05-28 | 1959-07-07 | Celanese Corp | Purification of acetic acid by azeotropic distillation |
US2878283A (en) * | 1957-01-23 | 1959-03-17 | Donald F Othmer | Process for recovering acetic acid |
US3052610A (en) * | 1960-05-19 | 1962-09-04 | Kurashiki Rayon Co | Concentration of acetic acid |
US3347756A (en) * | 1962-11-08 | 1967-10-17 | Distillers Co Yeast Ltd | Production of pure acetic acid from methyl vinyl ketone by distillation |
FR1399653A (fr) * | 1964-04-06 | 1965-05-21 | Melle Usines Sa | Procédé continu de préparation de dérivés fonctionnels d'alcools |
US3791935A (en) * | 1971-11-10 | 1974-02-12 | Monsanto Co | Purification of carboxylic acids |
BE791577A (fr) * | 1971-11-19 | 1973-05-17 | Monsanto Co | Purification de courants d'acide carboxylique |
US4143066A (en) * | 1976-12-16 | 1979-03-06 | The Dow Chemical Company | Separation and recovery of carboxylic acids from water |
JPS6025949A (ja) * | 1983-07-07 | 1985-02-08 | ヘキスト・セラニーズ・コーポレーション | 水溶液から酢酸を回収するための高沸点溶剤系 |
-
1996
- 1996-01-29 TW TW085101058A patent/TW330200B/zh not_active IP Right Cessation
- 1996-03-06 US US08/613,204 patent/US5662780A/en not_active Expired - Fee Related
- 1996-03-07 CA CA002171228A patent/CA2171228A1/en not_active Abandoned
- 1996-03-07 GB GB9604859A patent/GB2305664B/en not_active Expired - Fee Related
- 1996-03-08 SG SG1996006500A patent/SG52591A1/en unknown
- 1996-03-08 MY MYPI96000856A patent/MY112825A/en unknown
- 1996-03-12 MX MX9600930A patent/MX9600930A/es not_active IP Right Cessation
- 1996-03-13 KR KR1019960006585A patent/KR100414249B1/ko not_active IP Right Cessation
- 1996-03-14 FR FR9603219A patent/FR2739377B1/fr not_active Expired - Fee Related
- 1996-03-14 CN CN96106040A patent/CN1058700C/zh not_active Expired - Fee Related
- 1996-03-15 DE DE19610356A patent/DE19610356B4/de not_active Expired - Fee Related
- 1996-03-15 BR BR9601031A patent/BR9601031A/pt not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
MY112825A (en) | 2001-09-29 |
DE19610356B4 (de) | 2006-05-11 |
KR100414249B1 (ko) | 2004-04-13 |
CA2171228A1 (en) | 1997-03-30 |
DE19610356A1 (de) | 1997-04-03 |
TW330200B (en) | 1998-04-21 |
FR2739377B1 (fr) | 1998-02-20 |
GB9604859D0 (en) | 1996-05-08 |
US5662780A (en) | 1997-09-02 |
GB2305664A (en) | 1997-04-16 |
BR9601031A (pt) | 1998-01-06 |
KR970015553A (ko) | 1997-04-28 |
GB2305664B (en) | 1998-09-09 |
CN1150583A (zh) | 1997-05-28 |
CN1058700C (zh) | 2000-11-22 |
MX9600930A (es) | 1997-03-29 |
FR2739377A1 (fr) | 1997-04-04 |
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