FR2705342B1 - Acétonitrile très purifié et procédé de purification d'acétonitrile brut. - Google Patents

Acétonitrile très purifié et procédé de purification d'acétonitrile brut.

Info

Publication number
FR2705342B1
FR2705342B1 FR9306051A FR9306051A FR2705342B1 FR 2705342 B1 FR2705342 B1 FR 2705342B1 FR 9306051 A FR9306051 A FR 9306051A FR 9306051 A FR9306051 A FR 9306051A FR 2705342 B1 FR2705342 B1 FR 2705342B1
Authority
FR
France
Prior art keywords
acetonitrile
highly purified
purifying crude
crude acetonitrile
purifying
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
FR9306051A
Other languages
English (en)
Other versions
FR2705342A1 (fr
Inventor
Nakamura Shigeo
Kurihara Shigeru
Saitoh Minoru
Midorikawa Hideo
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.)
Asahi Kasei Corp
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry Co Ltd
Asahi Kasei Kogyo KK
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 to PCT/JP1993/000638 priority Critical patent/WO1994026698A1/fr
Priority to DE4397378T priority patent/DE4397378T1/de
Priority to GB9500707A priority patent/GB2285443B/en
Application filed by Asahi Chemical Industry Co Ltd, Asahi Kasei Kogyo KK filed Critical Asahi Chemical Industry Co Ltd
Priority to FR9306051A priority patent/FR2705342B1/fr
Publication of FR2705342A1 publication Critical patent/FR2705342A1/fr
Application granted granted Critical
Publication of FR2705342B1 publication Critical patent/FR2705342B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C253/00—Preparation of carboxylic acid nitriles
    • C07C253/32—Separation; Purification; Stabilisation; Use of additives
    • C07C253/34—Separation; Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR9306051A 1993-05-14 1993-05-19 Acétonitrile très purifié et procédé de purification d'acétonitrile brut. Expired - Lifetime FR2705342B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
PCT/JP1993/000638 WO1994026698A1 (fr) 1993-05-14 1993-05-14 Acetonitrile de grande purete et purification d'acetonitrile brut
DE4397378T DE4397378T1 (de) 1993-05-14 1993-05-14 Hochgereinigtes Acetonitril und Verfahren zur Reinigung von rohem Acetonitril
GB9500707A GB2285443B (en) 1993-05-14 1993-05-14 Highly purified acetonitrile and process for purifying crude acetonitrile
FR9306051A FR2705342B1 (fr) 1993-05-14 1993-05-19 Acétonitrile très purifié et procédé de purification d'acétonitrile brut.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/JP1993/000638 WO1994026698A1 (fr) 1993-05-14 1993-05-14 Acetonitrile de grande purete et purification d'acetonitrile brut
FR9306051A FR2705342B1 (fr) 1993-05-14 1993-05-19 Acétonitrile très purifié et procédé de purification d'acétonitrile brut.

Publications (2)

Publication Number Publication Date
FR2705342A1 FR2705342A1 (fr) 1994-11-25
FR2705342B1 true FR2705342B1 (fr) 1995-07-13

Family

ID=26230337

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9306051A Expired - Lifetime FR2705342B1 (fr) 1993-05-14 1993-05-19 Acétonitrile très purifié et procédé de purification d'acétonitrile brut.

Country Status (3)

Country Link
FR (1) FR2705342B1 (fr)
GB (1) GB2285443B (fr)
WO (1) WO1994026698A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2766388B1 (fr) * 1997-07-24 2000-01-14 Rhodia Chimie Sa Procede d'elimination de composes organophosphores contenus dans un gaz ou liquide
US6395142B1 (en) * 1999-10-14 2002-05-28 Chemcycles, Inc. Method and apparatus for purifying low grade acetonitrile and other constituents from hazardous waste
US10336690B2 (en) * 2014-02-24 2019-07-02 Honeywell International Inc. Methods and systems for processing an acetonitrile waste stream
CN113461570B (zh) * 2021-06-24 2023-02-17 索闻特环保科技(上海)有限公司 含有异丙醇、乙腈、三乙胺和水的混合液的处理方法
CN113956179B (zh) * 2021-12-20 2022-03-29 潍坊中汇化工有限公司 一种乙腈精制方法及其应用
CN117417269B (zh) * 2023-12-19 2024-03-12 潍坊中汇化工有限公司 一种无水乙腈的制备方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1223915A (en) * 1968-09-18 1971-03-03 Bp Chem Int Ltd Purification of nitriles
JPS5132518A (ja) * 1974-09-06 1976-03-19 Mitsubishi Chem Ind Asetonitorirunoseiseiho
US4287134A (en) * 1980-06-26 1981-09-01 E. I. Du Pont De Nemours And Company Purification of acetonitrile by caustic extraction
DD217212A1 (de) * 1983-05-10 1985-01-09 Petrolchemisches Kombinat Verfahren zur reinigung von acetonitril
DD282818A7 (de) * 1988-04-20 1990-09-26 Petrolchemisches Kombinat Verfahren destillativ und oxidativ vorbehandelten technischen acetonitrils
JP3104312B2 (ja) * 1991-07-16 2000-10-30 旭化成工業株式会社 アセトニトリルの精製方法
JPH05140070A (ja) * 1991-11-14 1993-06-08 Asahi Chem Ind Co Ltd アセトニトリルの精製方法
EP0641314B1 (fr) * 1992-05-21 1997-01-22 Cryodyne Technologies Inc. Procede de purification d'acetonitrile

Also Published As

Publication number Publication date
GB2285443B (en) 1997-07-02
GB9500707D0 (en) 1995-03-08
FR2705342A1 (fr) 1994-11-25
WO1994026698A1 (fr) 1994-11-24
GB2285443A (en) 1995-07-12

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