FR2228761B1 - - Google Patents
Info
- Publication number
- FR2228761B1 FR2228761B1 FR7415768A FR7415768A FR2228761B1 FR 2228761 B1 FR2228761 B1 FR 2228761B1 FR 7415768 A FR7415768 A FR 7415768A FR 7415768 A FR7415768 A FR 7415768A FR 2228761 B1 FR2228761 B1 FR 2228761B1
- Authority
- FR
- France
- 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
- 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
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/58—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
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)
- Physical Water Treatments (AREA)
- Extraction Or Liquid Replacement (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2323328A DE2323328C2 (de) | 1973-05-09 | 1973-05-09 | Verfahren zur Abtrennung von Acrylsäure aus einer angesäuerten wäßrigen Butanol-Acrylsäure-Veresterungsablauge |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2228761A1 FR2228761A1 (fr) | 1974-12-06 |
FR2228761B1 true FR2228761B1 (fr) | 1977-10-21 |
Family
ID=5880379
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7415768A Expired FR2228761B1 (fr) | 1973-05-09 | 1974-05-07 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3962074A (fr) |
JP (1) | JPS5018412A (fr) |
BE (1) | BE814762A (fr) |
DE (1) | DE2323328C2 (fr) |
FR (1) | FR2228761B1 (fr) |
GB (1) | GB1458705A (fr) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS541124Y2 (fr) * | 1975-06-04 | 1979-01-19 | ||
US4468328A (en) * | 1983-01-17 | 1984-08-28 | The Board Of Trustees Of The University Of Ill. | Purification of 12-O-tetradecanoylphorbol-13-acetate, phorbol, and 4α- |
US5728872A (en) * | 1994-06-27 | 1998-03-17 | Lutz Riemenschneider | Stabilized acrylic acid compositions |
FR2723089B1 (fr) * | 1994-07-28 | 1996-09-06 | Atochem Elf Sa | Procede de fabrication de l'acrylate de butyle par esterification directe |
DE19600955A1 (de) | 1996-01-12 | 1997-07-17 | Basf Ag | Verfahren zur Herstellung von Acrylsäure und deren Ester |
DE19624674A1 (de) | 1996-06-20 | 1998-01-02 | Basf Ag | Verfahren zur Entsorgung von bei der Acrylsäure- oder Methacrylsäure-Herstellung anfallenden Nebenkomponenten |
DE19709471A1 (de) * | 1997-03-07 | 1998-09-10 | Basf Ag | Verfahren zur Herstellung von (Meth)acrylsäure |
MY120051A (en) * | 1997-07-30 | 2005-08-30 | Mitsubishi Rayon Co | Process for purification of (meth)acrylic acid |
DE19740252A1 (de) | 1997-09-12 | 1999-03-18 | Basf Ag | Verfahren zur Herstellung von Acrylsäure und Methacrylsäure |
DE10127941A1 (de) | 2001-06-08 | 2002-05-29 | Basf Ag | Verfahren zur Herstellung von (Meth)acrylsäureestern |
US6737546B2 (en) * | 2001-11-13 | 2004-05-18 | Lurgi Ag | Extraction process for recovery of acrylic acid |
GB0403592D0 (en) | 2004-02-18 | 2004-03-24 | Lucite Int Uk Ltd | A catalyst system |
FR2884514B1 (fr) * | 2005-04-18 | 2007-06-22 | Arkema Sa | Procede perfectionne de fabrication de (meth) acrylates d'alkyle par esterification directe |
US7897814B2 (en) * | 2005-12-26 | 2011-03-01 | Mitsubishi Rayon Co., Ltd. | Method for extracting methacrylic acid |
CN103228606B (zh) | 2010-11-24 | 2016-11-09 | 璐彩特国际英国有限公司 | 用于生产甲基丙烯酸的工艺和由其生产的甲基丙烯酸的衍生物和聚合物 |
WO2012107758A1 (fr) * | 2011-02-09 | 2012-08-16 | Lucite International Uk Limited | Procédé de production d'acide (méth)acrylique, et dérivés et polymères produits au moyen de celui-ci |
JP5659053B2 (ja) * | 2011-03-18 | 2015-01-28 | 三和油化工業株式会社 | 含浸液含有洗浄廃水のリサイクル方法 |
US10093551B2 (en) | 2014-09-23 | 2018-10-09 | Basf Se | Process and plant for treatment of secondary components obtained in acrolein and/or (meth)acrylic acid production |
CN105130060B (zh) * | 2015-09-17 | 2017-07-14 | 博天环境集团股份有限公司 | 一种废水处理方法 |
BR112023000494A2 (pt) * | 2020-07-10 | 2023-03-28 | Aquafortus Tech Limited | Solução de recuperação de sal e processos de uso da mesma |
CN113387493B (zh) * | 2021-04-15 | 2023-12-05 | 佳化化学科技发展(上海)有限公司 | 一种活性稀释剂生产中废水处理工艺 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1568081A1 (de) * | 1966-02-19 | 1970-02-05 | Basf Ag | Verfahren zur Abtrennung von (Meth)acrylsaeure |
US3809645A (en) * | 1973-04-03 | 1974-05-07 | Mitsubishi Rayon Co | Recovering methacrylic acid and methanol |
-
1973
- 1973-05-09 DE DE2323328A patent/DE2323328C2/de not_active Expired
-
1974
- 1974-05-06 US US05/467,255 patent/US3962074A/en not_active Expired - Lifetime
- 1974-05-07 FR FR7415768A patent/FR2228761B1/fr not_active Expired
- 1974-05-08 GB GB2032374A patent/GB1458705A/en not_active Expired
- 1974-05-09 JP JP49050801A patent/JPS5018412A/ja active Pending
- 1974-05-09 BE BE144100A patent/BE814762A/fr not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
GB1458705A (en) | 1976-12-15 |
FR2228761A1 (fr) | 1974-12-06 |
US3962074A (en) | 1976-06-08 |
DE2323328C2 (de) | 1982-04-01 |
JPS5018412A (fr) | 1975-02-26 |
DE2323328A1 (de) | 1974-11-21 |
BE814762A (fr) | 1974-11-12 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |