DE69806074T2 - Verfahren zur Rückgewinnung von Acrylsäure - Google Patents

Verfahren zur Rückgewinnung von Acrylsäure

Info

Publication number
DE69806074T2
DE69806074T2 DE69806074T DE69806074T DE69806074T2 DE 69806074 T2 DE69806074 T2 DE 69806074T2 DE 69806074 T DE69806074 T DE 69806074T DE 69806074 T DE69806074 T DE 69806074T DE 69806074 T2 DE69806074 T2 DE 69806074T2
Authority
DE
Germany
Prior art keywords
recovery
acrylic acid
acrylic
acid
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
Application number
DE69806074T
Other languages
English (en)
Other versions
DE69806074D1 (de
Inventor
Kazuhiko Sakamoto
Fumio Shibusawa
Sei Nakahara
Takahiro Takeda
Masatoshi Ueoka
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.)
Nippon Shokubai Co Ltd
Original Assignee
Nippon Shokubai 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
Priority claimed from JP04614797A external-priority patent/JP3937495B2/ja
Priority claimed from JP11734797A external-priority patent/JP3880128B2/ja
Application filed by Nippon Shokubai Co Ltd filed Critical Nippon Shokubai Co Ltd
Application granted granted Critical
Publication of DE69806074D1 publication Critical patent/DE69806074D1/de
Publication of DE69806074T2 publication Critical patent/DE69806074T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • C07C51/46—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation by azeotropic distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE69806074T 1997-02-28 1998-02-27 Verfahren zur Rückgewinnung von Acrylsäure Expired - Fee Related DE69806074T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP04614797A JP3937495B2 (ja) 1997-02-28 1997-02-28 アクリル酸の回収方法
JP11734797A JP3880128B2 (ja) 1997-05-08 1997-05-08 アクリル酸の回収方法

Publications (2)

Publication Number Publication Date
DE69806074D1 DE69806074D1 (de) 2002-07-25
DE69806074T2 true DE69806074T2 (de) 2002-11-14

Family

ID=26386267

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69806074T Expired - Fee Related DE69806074T2 (de) 1997-02-28 1998-02-27 Verfahren zur Rückgewinnung von Acrylsäure

Country Status (5)

Country Link
US (1) US6084127A (de)
EP (1) EP0861820B1 (de)
KR (1) KR100375780B1 (de)
DE (1) DE69806074T2 (de)
ID (1) ID19974A (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3938646B2 (ja) 2000-01-14 2007-06-27 株式会社日本触媒 アクリル酸の製造方法
US6737546B2 (en) * 2001-11-13 2004-05-18 Lurgi Ag Extraction process for recovery of acrylic acid
DE60133473T2 (de) 2001-12-14 2009-05-20 Evonik Stockhausen Gmbh Verfahren zur Herstellung von Acrylsäure
US20030150705A1 (en) * 2002-01-08 2003-08-14 Deshpande Sanjeev D. Acrylic acid recovery utilizing ethyl acrylate and selected co-solvents
JP3905810B2 (ja) * 2002-09-03 2007-04-18 株式会社日本触媒 アクリル酸製造プロセスにおける重合防止方法
US20040104108A1 (en) * 2002-12-03 2004-06-03 Mason Robert Michael High capacity purification of thermally unstable compounds
WO2005007609A1 (de) 2003-07-11 2005-01-27 Basf Aktiengesellschaft Thermisches trennverfahren zur abtrennung wenigstens eines (meth)acrylmonomere angereichert enthaltenden stoffstroms
WO2014021560A1 (ko) * 2012-08-03 2014-02-06 주식회사 엘지화학 (메트)아크릴산의 연속 회수 방법 및 회수 장치
KR101546464B1 (ko) 2012-08-03 2015-08-21 주식회사 엘지화학 (메트)아크릴산의 연속 회수 방법 및 회수 장치
JP2016520096A (ja) 2013-05-20 2016-07-11 サウディ ベーシック インダストリーズ コーポレイション 酢酸及びアクリル酸の精製方法
KR101628287B1 (ko) 2013-07-22 2016-06-08 주식회사 엘지화학 (메트)아크릴산의 연속 회수 방법 및 장치
KR102079775B1 (ko) 2016-11-25 2020-02-20 주식회사 엘지화학 (메트)아크릴산의 연속 회수 방법 및 장치
KR102080287B1 (ko) * 2016-12-06 2020-02-21 주식회사 엘지화학 (메트)아크릴산의 회수 방법

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1359885A (fr) * 1963-03-21 1964-04-30 Electrochimie Soc Procédé de fabrication d'acide acrylique glacial
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
US3666632A (en) * 1968-10-08 1972-05-30 Asahi Chemical Ind Method for the separation of acrylic acid from aqueous solution containing acrylic acid and acetic acid
NL7807420A (nl) * 1977-07-22 1979-01-24 Mitsubishi Chem Ind Werkwijze voor het afscheiden van methacrylzuur uit een mengsel, dat water, methanol, methacrylzuur en methylmethacrylaat bevat.
JPH0624204B2 (ja) * 1990-02-26 1994-03-30 川崎製鉄株式会社 半導体装置の製造方法
TW295580B (de) * 1992-01-09 1997-01-11 Nippon Catalytic Chem Ind
JPH089567B2 (ja) * 1992-01-09 1996-01-31 株式会社日本触媒 アクリル酸製造においてアクリル酸を高純度に精製する方法
JPH0615496A (ja) * 1992-07-02 1994-01-25 Janome Sewing Mach Co Ltd 電動プレス
JPH06310691A (ja) * 1993-04-23 1994-11-04 Kawasaki Steel Corp 半導体装置

Also Published As

Publication number Publication date
EP0861820B1 (de) 2002-06-19
ID19974A (id) 1998-09-03
US6084127A (en) 2000-07-04
EP0861820A3 (de) 1998-10-21
KR19980071856A (ko) 1998-10-26
DE69806074D1 (de) 2002-07-25
KR100375780B1 (ko) 2003-08-19
EP0861820A2 (de) 1998-09-02

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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