DE2834140C2 - - Google Patents

Info

Publication number
DE2834140C2
DE2834140C2 DE2834140A DE2834140A DE2834140C2 DE 2834140 C2 DE2834140 C2 DE 2834140C2 DE 2834140 A DE2834140 A DE 2834140A DE 2834140 A DE2834140 A DE 2834140A DE 2834140 C2 DE2834140 C2 DE 2834140C2
Authority
DE
Germany
Prior art keywords
boiling
acrylic acid
low
rectification
aldehydes
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
Application number
DE2834140A
Other languages
German (de)
English (en)
Other versions
DE2834140A1 (de
Inventor
Tetsuya Ohrui
Michio Niihama Jp Kato
Masami Saijo Jp Ayano
Tsunejiro Kawaguchi
Tadashi Niihama Jp Abe
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 DE2834140A1 publication Critical patent/DE2834140A1/de
Application granted granted Critical
Publication of DE2834140C2 publication Critical patent/DE2834140C2/de
Granted legal-status Critical Current

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
    • C07C51/43—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
    • Y10S203/22—Accessories

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)
DE19782834140 1977-08-04 1978-08-03 Verfahren zum reinigen von roher acrylsaeure Granted DE2834140A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52093789A JPS6054939B2 (ja) 1977-08-04 1977-08-04 粗製アクリル酸の精製方法

Publications (2)

Publication Number Publication Date
DE2834140A1 DE2834140A1 (de) 1979-02-15
DE2834140C2 true DE2834140C2 (en, 2012) 1987-12-10

Family

ID=14092171

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19782834140 Granted DE2834140A1 (de) 1977-08-04 1978-08-03 Verfahren zum reinigen von roher acrylsaeure

Country Status (7)

Country Link
US (1) US4199410A (en, 2012)
JP (1) JPS6054939B2 (en, 2012)
DE (1) DE2834140A1 (en, 2012)
FR (1) FR2399400A1 (en, 2012)
GB (1) GB2001982B (en, 2012)
IT (1) IT1106619B (en, 2012)
NL (1) NL188798C (en, 2012)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4871879A (en) * 1987-10-27 1989-10-03 Hoechst Celanese Corporation Rhodium recovery from hydroformylation reaction product
US4999452A (en) * 1989-05-15 1991-03-12 Union Carbide Chemicals And Plastics Company Inc. Process for producing acrylic ester
IT1253698B (it) * 1990-05-31 1995-08-23 Sisas Spa Procedimento per il recupero di anidride maleica da miscele di reazione
JP3018483B2 (ja) * 1990-11-21 2000-03-13 三菱瓦斯化学株式会社 グリシジルアクリレート又はグリシジルメタクリレートの精製法
US5256258A (en) * 1991-11-27 1993-10-26 The Dow Chemical Company Removal of low-boiling fractions from high temperature heat transfer systems
US5352336A (en) * 1993-06-17 1994-10-04 The Dow Chemical Company Removal of low-boiling fractions from high temperature heat transfer systems
DE19501326A1 (de) * 1995-01-18 1996-07-25 Basf Ag Verfahren der rektifikativen Abtrennung von (Meth)acrylsäure aus einem (Meth)acrylsäure als Hauptbestandteil und niedere Aldehyde als Nebenbestandteile enthaltenden Gemisch in einer aus Abtriebsteil und Verstärkerteil bestehenden Rektifiaktionskolonne
FR2735989B1 (fr) * 1995-06-29 1997-08-14 Rhone Poulenc Nutrition Animal Procede et installation de purification d'un flux gazeux contenant de l'acroleine
JP3028925B2 (ja) * 1995-12-05 2000-04-04 株式会社日本触媒 アクリル酸の製造方法
DE19740253A1 (de) * 1997-09-12 1999-03-18 Basf Ag Verfahren zur fraktionierten Kondensation eines heißen Gasgemisches mit einem hohen Anteil nicht kondensierbarer Komponenten
DE19838783A1 (de) * 1998-08-26 2000-03-02 Basf Ag Verfahren zur kontinuierlichen Gewinnung von (Meth)acrylsäure
JP5073129B2 (ja) * 1999-03-31 2012-11-14 株式会社日本触媒 （メタ）アクリル酸の精製方法
EP1466885A3 (en) * 1999-07-23 2006-08-16 Rohm And Haas Company Process for preparing and purifying acrylic acid from propylene having improved capacity
US6639106B1 (en) * 1999-07-23 2003-10-28 Rohm And Haas Company Process for preparing and purifying acrylic acid from propylene having improved capacity
JP4601120B2 (ja) * 2000-05-08 2010-12-22 出光興産株式会社 アクリル酸の製造方法
US7128813B2 (en) * 2002-05-01 2006-10-31 Rohm And Haas Company Process for manufacturing high purity methacrylic acid
ZA200303241B (en) 2002-05-01 2003-11-04 Rohm & Haas Improved process for methacrylic acid and methcrylic acid ester production.
JP4032033B2 (ja) * 2003-06-30 2008-01-16 ローム アンド ハース カンパニー 高純度メタクリル酸の製造法
JP4715106B2 (ja) * 2004-04-01 2011-07-06 三菱化学株式会社 （メタ）アクリル酸誘導体の製造方法
KR101378239B1 (ko) * 2005-04-27 2014-03-27 바스프 에스이 아크릴산 및/또는 메타크릴산을 함유하는 액체의 정류에의한 분리 방법
EP2484702B2 (en) 2009-09-30 2021-11-10 Nippon Shokubai Co., Ltd. Polyacrylic acid salt-based water absorbent resin and method for producing same
US20140073812A1 (en) * 2012-09-13 2014-03-13 Celanese International Corporation Process for Making Acrylic Acid by Integrating Acetic Acid Feed Stream from Carbonylation Process
US20140073813A1 (en) * 2012-09-13 2014-03-13 Celanese International Corporation Heat Integration of Carbonylation and Aldol Condensation Reaction Processes
FR3108906B1 (fr) * 2020-04-06 2022-03-04 Arkema France Procede de purification d’acide (meth)acrylique

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3406100A (en) * 1966-12-16 1968-10-15 Chemical Construction Corp Purification of synthetic methanol by extractive distillation and subsequent distillation with plural side stream purges
US3513632A (en) * 1968-12-18 1970-05-26 Union Carbide Corp Separation of acrylic acid and acrolein
DE2104506C3 (de) * 1971-02-01 1974-07-18 Knapsack Ag, 5033 Huerth-Knapsack Verfahren zur Abtrennung von Acrylsäure und Essigsäure aus wäßriger Rohacrylsäure
BE786398A (fr) * 1971-07-21 1973-01-18 Basf Ag Procede de preparation de l'acide acrylique anhydre
NL180579C (nl) * 1972-05-24 1987-03-16 Sumitomo Chemical Co Werkwijze voor het scheiden van een mengsel bestaande uit acrylzuur, azijnzuur en water.

Also Published As

Publication number Publication date
NL188798B (nl) 1992-05-06
FR2399400A1 (fr) 1979-03-02
JPS5427520A (en) 1979-03-01
GB2001982A (en) 1979-02-14
NL188798C (nl) 1992-10-01
DE2834140A1 (de) 1979-02-15
US4199410A (en) 1980-04-22
JPS6054939B2 (ja) 1985-12-03
IT1106619B (it) 1985-11-11
NL7808056A (nl) 1979-02-06
IT7850596A0 (it) 1978-08-03
GB2001982B (en) 1982-01-27
FR2399400B1 (en, 2012) 1981-05-29

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8363 Opposition against the patent
8328 Change in the person/name/address of the agent

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

8365 Fully valid after opposition proceedings
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

8339 Ceased/non-payment of the annual fee