FR2122858A5 - - Google Patents

Info

Publication number
FR2122858A5
FR2122858A5 FR7145309A FR7145309A FR2122858A5 FR 2122858 A5 FR2122858 A5 FR 2122858A5 FR 7145309 A FR7145309 A FR 7145309A FR 7145309 A FR7145309 A FR 7145309A FR 2122858 A5 FR2122858 A5 FR 2122858A5
Authority
FR
France
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
FR7145309A
Other languages
French (fr)
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.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
Deutsche Gold und Silber Scheideanstalt
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 Degussa GmbH, Deutsche Gold und Silber Scheideanstalt filed Critical Degussa GmbH
Application granted granted Critical
Publication of FR2122858A5 publication Critical patent/FR2122858A5/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • 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
    • Y10S203/03—Acrylonitrile

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
FR7145309A 1971-01-22 1971-12-16 Expired FR2122858A5 (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2102886A DE2102886B2 (de) 1971-01-22 1971-01-22 Verfahren zur Gewinnung von reinem Acetonitril

Publications (1)

Publication Number Publication Date
FR2122858A5 true FR2122858A5 (OSRAM) 1972-09-01

Family

ID=5796597

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7145309A Expired FR2122858A5 (OSRAM) 1971-01-22 1971-12-16

Country Status (7)

Country Link
US (1) US3870746A (OSRAM)
JP (1) JPS5328413B1 (OSRAM)
BE (1) BE778325A (OSRAM)
DE (1) DE2102886B2 (OSRAM)
FR (1) FR2122858A5 (OSRAM)
GB (1) GB1377232A (OSRAM)
NL (1) NL7115835A (OSRAM)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4141826A (en) * 1977-03-30 1979-02-27 The Standard Oil Company Treatment of acrylonitrile waste water with activated carbon
WO1993023366A1 (en) * 1992-05-21 1993-11-25 Cryodyne Technologies Inc. Method for purification of acetonitrile
US5426208A (en) * 1992-05-21 1995-06-20 Cryodyne Technologies, Inc. Method of purification of acetonitrile
JP4750345B2 (ja) * 2000-07-18 2011-08-17 イネオス・ユーエスエイ・エルエルシー 改良されたアセトニトリルの精製及び回収方法
US20120073954A1 (en) * 2010-09-28 2012-03-29 Romas Cesas Recovery of acetonitrile from a waste stream
CN109052774A (zh) * 2018-06-21 2018-12-21 天津中昊天久工程技术有限公司 溶剂可循环高效乙腈废水回收系统
CN113461568A (zh) * 2021-06-24 2021-10-01 索闻特环保科技(上海)有限公司 处理乙腈废液中甲苯的方法
CN114634423B (zh) * 2022-02-25 2024-08-27 国药集团威奇达药业有限公司 从7-act合成产生的乙腈母液中连续回收乙腈的方法
JP2025512885A (ja) 2022-03-30 2025-04-22 ドナルドソン カンパニー，インコーポレイティド 溶媒を再利用するためのシステム及び方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2463629A (en) * 1946-10-30 1949-03-08 American Cyanamid Co Azeotropic distillation of acetonitrile-trichloracetonitrile mixtures
NL262785A (OSRAM) * 1960-04-07
DE1212962B (de) * 1960-08-12 1966-03-24 Knapsack Ag Verfahren zur Abtrennung und Gewinnung von Acrylsaeurenitril und Ammoniak aus gasfoermigen Gemischen durch Auswaschen
US3281450A (en) * 1963-09-27 1966-10-25 Goodrich Co B F Purification of acetonitrile
US3451899A (en) * 1965-12-21 1969-06-24 Badger Co Purification of acetonitrile by an azeotropic distillation method

Also Published As

Publication number Publication date
DE2102886C3 (OSRAM) 1974-11-07
NL7115835A (OSRAM) 1972-07-25
JPS5328413B1 (OSRAM) 1978-08-15
US3870746A (en) 1975-03-11
BE778325A (fr) 1972-05-16
GB1377232A (en) 1974-12-11
DE2102886A1 (de) 1972-08-10
DE2102886B2 (de) 1974-03-14

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Legal Events

Date Code Title Description
ST Notification of lapse