MX170501B - , "procedimiento para recobrar metacroleina - Google Patents
, "procedimiento para recobrar metacroleinaInfo
- Publication number
- MX170501B MX170501B MX016303A MX1630389A MX170501B MX 170501 B MX170501 B MX 170501B MX 016303 A MX016303 A MX 016303A MX 1630389 A MX1630389 A MX 1630389A MX 170501 B MX170501 B MX 170501B
- Authority
- MX
- Mexico
- Prior art keywords
- methacrolein
- methacrylic acid
- gas
- aqueous phase
- acid
- Prior art date
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
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
- C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
- C07C45/33—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties
- C07C45/34—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds
- C07C45/35—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds in propene or isobutene
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
- C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
- C07C45/37—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of >C—O—functional groups to >C=O groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/783—Separation; Purification; Stabilisation; Use of additives by gas-liquid treatment, e.g. by gas-liquid absorption
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
La presente invención se refiere a un procedimiento para recuperar metacroleína, caracterizado porque comprende una etapa de reacción (A) que comprende oxidar catalíticamente isobutileno, t-butanol, metacroleína, aldehído de isobutilo o ácido isobutírico, o una mezcla de los mismos, con un gas que contiene oxígeno molecular en una fase de vapor, una etapa de condensación (B) de ácido metacrílico, una etapa de extracción (C) de ácido metacrílico, una etapa de recuperación (D) de metacroleína, que comprende poner en contacto un gas que contiene metacroleína y ácido metacrílico descargado con una fase acuosa que contiene ácido metacrílico y ácido acético, mediante lo cual se recupera metacroleína y el ácido metacrílico contenido en el gas dentro de la fase acuosa, una etapa de desorción (E) de metacroleína, y una etapa de recuperación (F) de ácido metacrílico.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13562588 | 1988-06-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
MX170501B true MX170501B (es) | 1993-08-26 |
Family
ID=15156180
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX016303A MX170501B (es) | 1988-06-03 | 1989-06-02 | , "procedimiento para recobrar metacroleina |
Country Status (9)
Country | Link |
---|---|
US (1) | US5248819A (es) |
EP (1) | EP0345083B1 (es) |
JP (1) | JPH0684326B2 (es) |
KR (1) | KR950000640B1 (es) |
BR (1) | BR8902564A (es) |
CA (1) | CA1307004C (es) |
DE (1) | DE68904815T2 (es) |
ES (1) | ES2039862T3 (es) |
MX (1) | MX170501B (es) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4225321A1 (de) * | 1992-07-31 | 1994-02-03 | Basf Ag | Verfahren zur Abtrennung von Methacrolein aus einem gasförmigen Gemisch |
DE4321513A1 (de) * | 1993-06-29 | 1995-01-12 | Hoechst Ag | Verfahren zur Reinigung von Abwässern der Aldolisierungsreaktion |
US5877345A (en) * | 1997-02-07 | 1999-03-02 | Rohm And Haas Company | Process for producing butyl acrylate |
DE19709392A1 (de) * | 1997-03-07 | 1998-09-10 | Basf Ag | Verfahren zur Extraktion von (Meth)acrylsäure |
DE19709471A1 (de) * | 1997-03-07 | 1998-09-10 | Basf Ag | Verfahren zur Herstellung von (Meth)acrylsäure |
JP2003238485A (ja) * | 2001-12-10 | 2003-08-27 | Nippon Shokubai Co Ltd | (メタ)アクリル酸の捕集方法および装置 |
US7649112B2 (en) * | 2005-07-25 | 2010-01-19 | Saudi Basic Industries Corporation | Integrated plant for producing 2-ethyl-hexanol and methacrylic acid and a method based thereon |
US7799946B2 (en) * | 2007-02-14 | 2010-09-21 | Saudi Basic Industries Corporation | Process for separating methacrolein from methacrylic acid in a gas phase product from the partial oxidation of isobutene |
EP2085376B1 (en) | 2008-01-30 | 2012-09-05 | Evonik Röhm GmbH | Process for preparation of high purity methacrylic acid |
CA2781246A1 (en) | 2011-07-14 | 2013-01-14 | Rohm And Haas Company | Method for removal of organic compounds from waste water streams in a process for production of (meth)acrylic acid |
WO2013163806A1 (en) | 2012-05-03 | 2013-11-07 | Evonik Industries Ag | Process for preparation of highly pure, non-yellowing methacrylic acid |
JP2016516732A (ja) | 2013-03-18 | 2016-06-09 | エボニック レーム ゲゼルシャフト ミット ベシュレンクテル ハフツングEvonik Roehm GmbH | メタクリル酸及びメタクリル酸エステルの製造方法 |
EP3608305A1 (en) | 2018-08-10 | 2020-02-12 | Röhm GmbH | Process for producing methacrylic acid or methacrylic acid esters |
EP3945086B1 (de) * | 2020-07-30 | 2022-10-26 | Röhm GmbH | C-4 basiertes verfahren zur herstellung von mma unter rückführung und recyclierung von methacrolein |
CN112057946A (zh) * | 2020-08-10 | 2020-12-11 | 金沂蒙集团有限公司 | 一种乙醛合成丁烯醛的废水资源化利用的方法及装置 |
WO2022214860A1 (en) * | 2021-04-06 | 2022-10-13 | Bharat Petroleum Corporation Limited | A process for recovering methacrolein from a reactor effluent stream containing methacrolein and methacrylic acid |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS547768B2 (es) * | 1973-01-06 | 1979-04-10 | ||
JPS6059891B2 (ja) * | 1977-09-28 | 1985-12-27 | 住友化学工業株式会社 | メタクロレインおよびメタクリル酸の分離方法 |
US4166774A (en) * | 1977-12-05 | 1979-09-04 | The Standard Oil Company | Acrylic acid recovery and purification |
US4147721A (en) * | 1978-04-06 | 1979-04-03 | Halcon Research And Development Corporation | Process for recovering methacrylic acid |
JPH0615497B2 (ja) * | 1985-10-24 | 1994-03-02 | 日本化薬株式会社 | メタクリル酸の回収方法 |
JPH0832218B2 (ja) * | 1993-04-14 | 1996-03-29 | 東京都 | 魚介用水供給方法及び装置 |
-
1989
- 1989-06-01 JP JP1137476A patent/JPH0684326B2/ja not_active Expired - Lifetime
- 1989-06-01 CA CA000601499A patent/CA1307004C/en not_active Expired - Fee Related
- 1989-06-02 MX MX016303A patent/MX170501B/es unknown
- 1989-06-02 ES ES198989305584T patent/ES2039862T3/es not_active Expired - Lifetime
- 1989-06-02 BR BR898902564A patent/BR8902564A/pt not_active IP Right Cessation
- 1989-06-02 EP EP89305584A patent/EP0345083B1/en not_active Expired - Lifetime
- 1989-06-02 DE DE8989305584T patent/DE68904815T2/de not_active Expired - Lifetime
- 1989-06-03 KR KR1019890007677A patent/KR950000640B1/ko not_active IP Right Cessation
-
1991
- 1991-10-03 US US07/770,142 patent/US5248819A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ES2039862T3 (es) | 1993-10-01 |
US5248819A (en) | 1993-09-28 |
KR950000640B1 (ko) | 1995-01-26 |
JPH0276835A (ja) | 1990-03-16 |
DE68904815T2 (de) | 1993-08-26 |
EP0345083A2 (en) | 1989-12-06 |
JPH0684326B2 (ja) | 1994-10-26 |
BR8902564A (pt) | 1990-01-23 |
KR910000591A (ko) | 1991-01-29 |
EP0345083B1 (en) | 1993-02-10 |
EP0345083A3 (en) | 1990-04-25 |
CA1307004C (en) | 1992-09-01 |
DE68904815D1 (de) | 1993-03-25 |
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