DE3579430D1 - Verfahren zur gewinnung von methacrylsaeure. - Google Patents
Verfahren zur gewinnung von methacrylsaeure.Info
- Publication number
- DE3579430D1 DE3579430D1 DE8585903163T DE3579430T DE3579430D1 DE 3579430 D1 DE3579430 D1 DE 3579430D1 DE 8585903163 T DE8585903163 T DE 8585903163T DE 3579430 T DE3579430 T DE 3579430T DE 3579430 D1 DE3579430 D1 DE 3579430D1
- Authority
- DE
- Germany
- Prior art keywords
- methacrylic acid
- producing methacrylic
- producing
- acid
- methacrylic
- 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 - Fee Related
Links
Classifications
-
- 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
- C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
- B01D3/36—Azeotropic distillation
-
- 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
-
- 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
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
- C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S203/00—Distillation: processes, separatory
- Y10S203/20—Power plant
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S203/00—Distillation: processes, separatory
- Y10S203/22—Accessories
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/624,049 US4599144A (en) | 1984-06-25 | 1984-06-25 | Process for recovery of methacrylic acid |
PCT/US1985/001136 WO1986000236A1 (en) | 1984-06-25 | 1985-06-25 | Process for recovery of methacrylic acid |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3579430D1 true DE3579430D1 (de) | 1990-10-04 |
Family
ID=24500438
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8585903163T Expired - Fee Related DE3579430D1 (de) | 1984-06-25 | 1985-06-25 | Verfahren zur gewinnung von methacrylsaeure. |
Country Status (8)
Country | Link |
---|---|
US (1) | US4599144A (de) |
EP (1) | EP0186694B1 (de) |
JP (1) | JPS61502535A (de) |
KR (1) | KR920007872B1 (de) |
CA (1) | CA1226550A (de) |
DE (1) | DE3579430D1 (de) |
ES (1) | ES8604091A1 (de) |
WO (1) | WO1986000236A1 (de) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4999452A (en) * | 1989-05-15 | 1991-03-12 | Union Carbide Chemicals And Plastics Company Inc. | Process for producing acrylic ester |
DE19501325A1 (de) * | 1995-01-18 | 1996-07-25 | Basf Ag | Verfahren der rektifikativen Abtrennung von (Meth)acrylsäure aus einem (Meth)acrylsäure enthaltenden Gemisch |
DE19606877A1 (de) * | 1996-02-23 | 1997-08-28 | Basf Ag | Verfahren zur Reinigung von Acrylsäure und Methacrylsäure |
DE19627847A1 (de) * | 1996-07-10 | 1998-01-15 | Basf Ag | Verfahren zur Herstellung von Acrylsäure |
DE19740253A1 (de) * | 1997-09-12 | 1999-03-18 | Basf Ag | Verfahren zur fraktionierten Kondensation eines heißen Gasgemisches mit einem hohen Anteil nicht kondensierbarer Komponenten |
DE19746689A1 (de) * | 1997-10-22 | 1999-04-29 | Basf Ag | Verfahren zur Herstellung von (Meth)acrylsäure |
EP1065197B1 (de) * | 1999-06-28 | 2002-11-06 | Rohm And Haas Company | Verfahren zur Herstellung von (Meth)acrylsäure |
US20040006244A1 (en) * | 2002-05-22 | 2004-01-08 | Manzer Leo Ernest | Process for making ethyencially unsaturated acids and acids |
GB0809332D0 (en) * | 2008-05-22 | 2008-07-02 | Lucite Int Uk Ltd | Production of ethylenically unsaturated acids or esters thereof |
US8993801B2 (en) | 2011-09-16 | 2015-03-31 | Eastman Chemical Company | Process for preparing V-Ti-P catalysts for synthesis of 2,3-unsaturated carboxylic acids |
US9573119B2 (en) | 2011-09-16 | 2017-02-21 | Eastman Chemical Company | Process for preparing V—Ti—P catalysts for synthesis of 2,3-unsaturated carboxylic acids |
US8765629B2 (en) | 2011-09-16 | 2014-07-01 | Eastman Chemical Company | Process for preparing V-Ti-P catalysts for synthesis of 2,3-unsaturated carboxylic acids |
US8883672B2 (en) | 2011-09-16 | 2014-11-11 | Eastman Chemical Company | Process for preparing modified V-Ti-P catalysts for synthesis of 2,3-unsaturated carboxylic acids |
US20130085303A1 (en) * | 2011-10-03 | 2013-04-04 | Celanese International Corporation | Processes for Producing Acrylic Acids and Acrylates |
US20130085295A1 (en) * | 2011-10-03 | 2013-04-04 | Celanese International Corporation | Processes for producing acrylic acids and acrylates |
US9249081B2 (en) * | 2011-12-16 | 2016-02-02 | Celanese International Corporation | Processes for the production of acrylic acids and acrylates |
US20140121410A1 (en) * | 2012-10-31 | 2014-05-01 | Celanese International Corporation | Processes for Regenerating Catalyst for Producing Acrylic Acids and Acrylates |
FR3060000B1 (fr) * | 2016-12-08 | 2020-05-01 | Arkema France | Procede pour eviter le depot de polymeres dans un procede de purification d'acide (meth)acrylique. |
GB201621985D0 (en) * | 2016-12-22 | 2017-02-08 | Johnson Matthey Davy Technologies Ltd | Process |
GB201621975D0 (en) * | 2016-12-22 | 2017-02-08 | Johnson Matthey Davy Technologies Ltd | Process |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA721773A (en) * | 1965-11-16 | A. Sims Victor | Production of acrylic and methacrylic acids | |
US3433831A (en) * | 1965-06-30 | 1969-03-18 | Asahi Chemical Ind | Separation and purification of acrylic acid from acetic acid by solvent extraction and azeotropic distillation with a two component solvent-entrainer system |
US3414485A (en) * | 1967-05-17 | 1968-12-03 | Escambia Chem Corp | Process for drying methacrylic acid by extraction and azeotropic distillation |
DE2121123C3 (de) * | 1971-04-29 | 1980-06-12 | Basf Ag, 6700 Ludwigshafen | Verfahren zum Abtrennen von Wasser aus wäßrigen Lösungen von Acrylsäure durch azeotrope Destillation |
JPS4862712A (de) * | 1971-12-07 | 1973-09-01 | ||
US3840587A (en) * | 1972-08-03 | 1974-10-08 | Monsanto Co | Process for the condensation of formaldehyde with carboxylic acids |
US3933888A (en) * | 1972-10-06 | 1976-01-20 | Rohm And Haas Company | Production of unsaturated acids, esters and nitriles, and catalyst therefor |
GB1458397A (en) * | 1972-12-27 | 1976-12-15 | Degussa | Process for obtaining pure acrylic acid |
US4085143A (en) * | 1975-06-05 | 1978-04-18 | Eastman Kodak Company | Manufacture of α,β-unsaturated acids and anhydrides |
US4040913A (en) * | 1975-09-02 | 1977-08-09 | Rohm And Haas Company | Recovery of methacrylic acid from the effluent obtained from the condensation of formaldehyde and propionic acid |
US4039428A (en) * | 1976-01-02 | 1977-08-02 | Monsanto Company | Purification of propionic acid |
US4166774A (en) * | 1977-12-05 | 1979-09-04 | The Standard Oil Company | Acrylic acid recovery and purification |
US4142058A (en) * | 1977-12-08 | 1979-02-27 | Mitsubishi Rayon Co., Ltd. | Method of separating and purifying methacrylic acid |
JPS54115317A (en) * | 1978-02-25 | 1979-09-07 | Nitto Chem Ind Co Ltd | Preparation of acrylic acid or methacrylic acid |
US4147721A (en) * | 1978-04-06 | 1979-04-03 | Halcon Research And Development Corporation | Process for recovering methacrylic acid |
-
1984
- 1984-06-25 US US06/624,049 patent/US4599144A/en not_active Expired - Lifetime
-
1985
- 1985-06-13 CA CA000483863A patent/CA1226550A/en not_active Expired
- 1985-06-25 JP JP60502770A patent/JPS61502535A/ja active Granted
- 1985-06-25 DE DE8585903163T patent/DE3579430D1/de not_active Expired - Fee Related
- 1985-06-25 EP EP85903163A patent/EP0186694B1/de not_active Expired - Lifetime
- 1985-06-25 ES ES544531A patent/ES8604091A1/es not_active Expired
- 1985-06-25 WO PCT/US1985/001136 patent/WO1986000236A1/en active IP Right Grant
- 1985-06-25 KR KR1019860700113A patent/KR920007872B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
ES8604091A1 (es) | 1986-01-16 |
JPS61502535A (ja) | 1986-11-06 |
ES544531A0 (es) | 1986-01-16 |
EP0186694A1 (de) | 1986-07-09 |
EP0186694A4 (de) | 1986-11-26 |
KR860700214A (ko) | 1986-08-01 |
KR920007872B1 (ko) | 1992-09-18 |
EP0186694B1 (de) | 1990-08-29 |
CA1226550A (en) | 1987-09-08 |
WO1986000236A1 (en) | 1986-01-16 |
JPH0220618B2 (de) | 1990-05-10 |
US4599144A (en) | 1986-07-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |