CA2259994A1 - Method of separating (meth)acrylic acid - Google Patents
Method of separating (meth)acrylic acid Download PDFInfo
- Publication number
- CA2259994A1 CA2259994A1 CA002259994A CA2259994A CA2259994A1 CA 2259994 A1 CA2259994 A1 CA 2259994A1 CA 002259994 A CA002259994 A CA 002259994A CA 2259994 A CA2259994 A CA 2259994A CA 2259994 A1 CA2259994 A1 CA 2259994A1
- Authority
- CA
- Canada
- Prior art keywords
- acrylic acid
- solvent
- acid
- solvent mixture
- mixture
- 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.)
- Abandoned
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C57/00—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms
- C07C57/02—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms with only carbon-to-carbon double bonds as unsaturation
- C07C57/03—Monocarboxylic acids
- C07C57/04—Acrylic acid; Methacrylic acid
-
- 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
-
- 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
- Y02P20/582—Recycling of unreacted starting or intermediate materials
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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19627850A DE19627850A1 (de) | 1996-07-10 | 1996-07-10 | Verfahren zur Herstellung von Acrylsäure und Methacrylsäure |
DE19627850.3 | 1996-07-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA2259994A1 true CA2259994A1 (en) | 1998-01-15 |
Family
ID=7799474
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002259994A Abandoned CA2259994A1 (en) | 1996-07-10 | 1997-07-09 | Method of separating (meth)acrylic acid |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0923523A2 (id) |
JP (1) | JP2000514076A (id) |
KR (1) | KR20000023679A (id) |
CN (1) | CN1227537A (id) |
BR (1) | BR9710231A (id) |
CA (1) | CA2259994A1 (id) |
DE (1) | DE19627850A1 (id) |
ID (1) | ID18425A (id) |
WO (1) | WO1998001411A2 (id) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017114831A1 (en) * | 2015-12-29 | 2017-07-06 | Shell Internationale Research Maatschappij B.V. | Process for converting alkanes and/or alkenes to alkenes and carboxylic acids |
US9776940B2 (en) | 2015-08-07 | 2017-10-03 | Basf Se | Process for production of acrylic acid |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6180827B1 (en) * | 1998-02-03 | 2001-01-30 | Hfm International, Inc. | Recovery of acrylic acid from process or waste water streams |
FR2798382B1 (fr) * | 1999-09-14 | 2001-10-26 | Atofina | Procede de purification de l'acide acrylique obtenu par oxydation du propylene et/ou de l'acroleine |
US20030150705A1 (en) * | 2002-01-08 | 2003-08-14 | Deshpande Sanjeev D. | Acrylic acid recovery utilizing ethyl acrylate and selected co-solvents |
US20040104108A1 (en) | 2002-12-03 | 2004-06-03 | Mason Robert Michael | High capacity purification of thermally unstable compounds |
WO2011000808A2 (de) | 2009-07-01 | 2011-01-06 | Basf Se | Verfahren der abtrennung von acrylsäure aus dem produktgasgemisch einer heterogen katalysierten partiellen gasphasenoxidation wenigstens einer c3-vorläuferverbindung |
DE102010001228A1 (de) | 2010-01-26 | 2011-02-17 | Basf Se | Verfahren der Abtrennung von Acrylsäure aus dem Produktgasgemisch einer heterogen katalysierten partiellen Gasphasenoxidation wenigstens einer C3-Vorläuferverbindung |
DE102009027401A1 (de) | 2009-07-01 | 2010-02-18 | Basf Se | Verfahren der Abtrennung von Acrylsäure aus dem Produktgasgemisch einer heterogen katalysierten partiellen Gasphasenoxidation wenigstens einer C3-Vorläuferverbindung |
DE102010042216A1 (de) | 2010-10-08 | 2011-06-09 | Basf Se | Verfahren zur Hemmung der unerwünschten radikalischen Polymerisation von in einer flüssigen Phase P befindlicher Acrylsäure |
BR112013022304B1 (pt) | 2011-03-11 | 2020-01-28 | Lg Chemical Ltd | método de recuperação contínua de ácido (met)acrílico |
CN105452210B (zh) * | 2013-06-03 | 2018-11-20 | 赢创德固赛有限公司 | 制备丙烯醛的方法 |
DE102014017804A1 (de) | 2014-12-02 | 2016-04-21 | Basf Se | Verfahren zur Herstellung von Acrylsäure |
WO2020020697A1 (de) | 2018-07-26 | 2020-01-30 | Basf Se | Verfahren zur hemmung der unerwünschten radikalischen polymerisation von in einer flüssigen phase p befindlicher acrylsäure |
CN115335354A (zh) | 2020-03-26 | 2022-11-11 | 巴斯夫欧洲公司 | 抑制存在于液相p中的丙烯酸的不期望的自由基聚合的方法 |
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 |
NL8103517A (nl) * | 1981-07-24 | 1983-02-16 | Badger Bv | Werkwijze voor het scheiden van carbonzuren van mengsels met niet-zuren door een absorptie-stripbehandeling. |
-
1996
- 1996-07-10 DE DE19627850A patent/DE19627850A1/de not_active Withdrawn
-
1997
- 1997-07-09 WO PCT/EP1997/003629 patent/WO1998001411A2/de not_active Application Discontinuation
- 1997-07-09 JP JP10504806A patent/JP2000514076A/ja active Pending
- 1997-07-09 CN CN97197178A patent/CN1227537A/zh active Pending
- 1997-07-09 CA CA002259994A patent/CA2259994A1/en not_active Abandoned
- 1997-07-09 EP EP97936631A patent/EP0923523A2/de not_active Withdrawn
- 1997-07-09 BR BR9710231A patent/BR9710231A/pt not_active Application Discontinuation
- 1997-07-10 ID IDP972394A patent/ID18425A/id unknown
-
1999
- 1999-01-09 KR KR1019997000136A patent/KR20000023679A/ko not_active Application Discontinuation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9776940B2 (en) | 2015-08-07 | 2017-10-03 | Basf Se | Process for production of acrylic acid |
WO2017114831A1 (en) * | 2015-12-29 | 2017-07-06 | Shell Internationale Research Maatschappij B.V. | Process for converting alkanes and/or alkenes to alkenes and carboxylic acids |
Also Published As
Publication number | Publication date |
---|---|
WO1998001411A2 (de) | 1998-01-15 |
EP0923523A2 (de) | 1999-06-23 |
DE19627850A1 (de) | 1998-01-15 |
BR9710231A (pt) | 1999-08-10 |
ID18425A (id) | 1998-04-09 |
CN1227537A (zh) | 1999-09-01 |
WO1998001411A3 (de) | 1998-06-25 |
JP2000514076A (ja) | 2000-10-24 |
KR20000023679A (ko) | 2000-04-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5831124A (en) | Purification of acrylic acid and methacrylic acid | |
US6646161B1 (en) | Method for the fractional condensation of a hot gas mixture containing acrylic acid or methacrylic acid and having a high proportion of non-condensable constituents | |
US6413379B1 (en) | Continuous recovery of (meth)acrylic acid | |
CN1083420C (zh) | 丙烯酸和甲基丙烯酸的制备方法 | |
JP4243016B2 (ja) | アクリル酸およびメタクリル酸の製造方法 | |
US20010007043A1 (en) | Continuous recovery of (meth)acrylic acid | |
CA2259994A1 (en) | Method of separating (meth)acrylic acid | |
US6727383B1 (en) | Method for producing acrylic acid and acrylic acid esters | |
US6433222B1 (en) | Method for producing acrylic acid | |
JP2004529129A (ja) | (メタ)アクリル酸を連続的に抽出する方法 | |
US6555707B1 (en) | Method for producing acrylic acid and acrylic acids esters | |
US6350906B2 (en) | Continuous recovery of (meth)acrylic acid | |
CA2282492A1 (en) | Method for extracting (meth)acrylic acid | |
CA1149414A (en) | Acrylic acid recovery with recycle quench | |
KR101052710B1 (ko) | 기체 기재의 산화에 의해 얻어진 (메트)아크릴산의정제방법 | |
US4071540A (en) | Anhydride separation process | |
US6395140B1 (en) | Method for producing (meth)acrylic acid | |
US5972174A (en) | Process for the purification of maleic anhydride | |
US4234519A (en) | Recovery of methacrolein | |
US4092132A (en) | Recovery of methacrolein | |
CA1057766A (en) | Anhydride separation process | |
JPH0611730B2 (ja) | 酢酸ビニル反応生成ガスの精製方法 | |
MXPA00001666A (es) | Condensacion fraccional de una mezcla de gasesl calientes que contiene acido acrilico o acido metacrilico y una alta proporcion de componentes no condensables | |
JPS6041654B2 (ja) | メタクロレインの回収方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FZDE | Dead |