GB1377232A - Production of pure acetonitrile - Google Patents

Production of pure acetonitrile

Info

Publication number
GB1377232A
GB1377232A GB165572A GB165572A GB1377232A GB 1377232 A GB1377232 A GB 1377232A GB 165572 A GB165572 A GB 165572A GB 165572 A GB165572 A GB 165572A GB 1377232 A GB1377232 A GB 1377232A
Authority
GB
United Kingdom
Prior art keywords
acetonitrile
jan
organic solvent
distilling
pure acetonitrile
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
GB165572A
Other languages
English (en)
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
Publication of GB1377232A publication Critical patent/GB1377232A/en
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)
GB165572A 1971-01-22 1972-01-13 Production of pure acetonitrile Expired GB1377232A (en)

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
GB1377232A true GB1377232A (en) 1974-12-11

Family

ID=5796597

Family Applications (1)

Application Number Title Priority Date Filing Date
GB165572A Expired GB1377232A (en) 1971-01-22 1972-01-13 Production of pure acetonitrile

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
DE2102886A1 (de) 1972-08-10
DE2102886B2 (de) 1974-03-14
FR2122858A5 (OSRAM) 1972-09-01

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee