DE2842092C2 - - Google Patents

Info

Publication number
DE2842092C2
DE2842092C2 DE19782842092 DE2842092A DE2842092C2 DE 2842092 C2 DE2842092 C2 DE 2842092C2 DE 19782842092 DE19782842092 DE 19782842092 DE 2842092 A DE2842092 A DE 2842092A DE 2842092 C2 DE2842092 C2 DE 2842092C2
Authority
DE
Germany
Prior art keywords
methacrolein
methacrylic acid
tower
gas
condenser
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 - Lifetime
Application number
DE19782842092
Other languages
German (de)
English (en)
Other versions
DE2842092A1 (de
Inventor
Tetsuya Ohrui
Michio Niihama Ehime Jp Kato
Masami Saijo Ehime Jp Ayano
Masaaki Iwasa
Tsunejiro Niihama Ehime Jp Kawaguchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Publication of DE2842092A1 publication Critical patent/DE2842092A1/de
Application granted granted Critical
Publication of DE2842092C2 publication Critical patent/DE2842092C2/de
Granted legal-status Critical Current

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
    • C07C45/783—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)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE19782842092 1977-09-28 1978-09-27 Verfahren zum abtrennen von methacrolein und/oder methacrylsaeure aus methacrylsaeurehaltigen gasfoermigen reaktionsgemischen Granted DE2842092A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11704077A JPS6059891B2 (ja) 1977-09-28 1977-09-28 メタクロレインおよびメタクリル酸の分離方法

Publications (2)

Publication Number Publication Date
DE2842092A1 DE2842092A1 (de) 1979-04-05
DE2842092C2 true DE2842092C2 (fr) 1990-06-13

Family

ID=14701940

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19782842092 Granted DE2842092A1 (de) 1977-09-28 1978-09-27 Verfahren zum abtrennen von methacrolein und/oder methacrylsaeure aus methacrylsaeurehaltigen gasfoermigen reaktionsgemischen

Country Status (5)

Country Link
JP (1) JPS6059891B2 (fr)
DE (1) DE2842092A1 (fr)
FR (1) FR2404619A1 (fr)
GB (1) GB2004886B (fr)
NL (1) NL7809746A (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4234519A (en) * 1979-01-26 1980-11-18 Halcon Research And Development Corp. Recovery of methacrolein
JPS58126831A (ja) * 1982-01-22 1983-07-28 Nippon Shokubai Kagaku Kogyo Co Ltd メタクリル酸の捕集方法
US4554054A (en) * 1983-12-09 1985-11-19 Rohm And Haas Company Methacrylic acid separation
JP2504777B2 (ja) * 1987-06-27 1996-06-05 三井東圧化学株式会社 反応ガスの急冷方法
CA1316545C (fr) * 1987-06-27 1993-04-20 Morimasa Kuragano Procede d'extinction pour un gaz de reaction contenant de l'acide methacrylique et methode de traitement des liquides ainsi traites, et revendication de ce procede
JPH0684326B2 (ja) * 1988-06-03 1994-10-26 株式会社日本触媒 メタクロレインの回収方法
DE4026732A1 (de) * 1990-08-24 1992-02-27 Huels Chemische Werke Ag Verfahren zur reinigung eines oxidationsabgases mit energierueckgewinnung
JP3289303B2 (ja) * 1992-03-06 2002-06-04 住友化学工業株式会社 アクロレインの製造方法
DE4225321A1 (de) * 1992-07-31 1994-02-03 Basf Ag Verfahren zur Abtrennung von Methacrolein aus einem gasförmigen Gemisch
JP3279491B2 (ja) * 1996-12-16 2002-04-30 株式会社日本触媒 （メタ）アクリル酸の製造方法
JP4056429B2 (ja) * 2003-06-05 2008-03-05 株式会社日本触媒 （メタ）アクリル酸の製造方法
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
EP3945086B1 (fr) 2020-07-30 2022-10-26 Röhm GmbH Procédé basé sur le c-4 destiné à la fabrication de mma à l'aide du recyclage et du recyclage de la méthacroleine
EP3945088A1 (fr) 2020-07-30 2022-02-02 Röhm GmbH Procédé de minimisation de perte d'activité lors des étapes réactionnelles exécutées en fonctionnement en circuit
CN113413626A (zh) * 2021-08-24 2021-09-21 山东蓝湾新材料有限公司 一种塔顶气再循环制丙烯酸的急冷吸收塔

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB953763A (en) * 1962-02-06 1964-04-02 Distillers Co Yeast Ltd Improvements in and relating to the production of unsaturated aliphatic acids
FR1393175A (fr) * 1963-05-18 1965-03-19 Distillers Co Yeast Ltd Procédé de production d'acides aliphatiques non saturés
FR1535061A (fr) * 1966-08-09 1968-08-02 Knapsack Ag Procédé de séparation d'acide acrylique à partir des gaz de réaction obtenus par oxydation de propylène ou d'acroléine
US3433840A (en) * 1966-12-29 1969-03-18 Sumitomo Chemical Co Process for recovering acrolein by quenching,absorption and plural distillation
US3513632A (en) * 1968-12-18 1970-05-26 Union Carbide Corp Separation of acrylic acid and acrolein
JPS5148609A (ja) * 1974-10-23 1976-04-26 Asahi Glass Co Ltd Nidansankanyoruisopuchirenkarano metaku

Also Published As

Publication number Publication date
DE2842092A1 (de) 1979-04-05
FR2404619A1 (fr) 1979-04-27
GB2004886A (en) 1979-04-11
JPS5452027A (en) 1979-04-24
FR2404619B1 (fr) 1983-09-02
GB2004886B (en) 1982-03-10
JPS6059891B2 (ja) 1985-12-27
NL7809746A (nl) 1979-03-30

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DE2842092C2 (fr)
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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8128 New person/name/address of the agent

Representative=s name: VOSSIUS, V., DIPL.-CHEM. DR.RER.NAT. TAUCHNER, P.,

D2 Grant after examination
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: TAUCHNER, P., DIPL.-CHEM. DR.RER.NAT. HEUNEMANN, D., DIPL.-PHYS. DR.RER.NAT., PAT.-ANWAELTE, 8000 MUENCHEN