IT1130079B - Procedimento per depurare acetonitrile grezzo - Google Patents

Procedimento per depurare acetonitrile grezzo

Info

Publication number
IT1130079B
IT1130079B IT20915/80A IT2091580A IT1130079B IT 1130079 B IT1130079 B IT 1130079B IT 20915/80 A IT20915/80 A IT 20915/80A IT 2091580 A IT2091580 A IT 2091580A IT 1130079 B IT1130079 B IT 1130079B
Authority
IT
Italy
Prior art keywords
procedure
purifying raw
acetonitrile
raw acetonitrile
purifying
Prior art date
Application number
IT20915/80A
Other languages
English (en)
Other versions
IT8020915A0 (it
Inventor
Terumasa Higuchi
Hiroshi Susumago
Original Assignee
Asahi Chemical Ind
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 JP3657779A external-priority patent/JPS55129257A/ja
Priority claimed from JP5197979A external-priority patent/JPS55143950A/ja
Priority claimed from JP5197879A external-priority patent/JPS55143949A/ja
Priority claimed from JP6128879A external-priority patent/JPS55153757A/ja
Application filed by Asahi Chemical Ind filed Critical Asahi Chemical Ind
Publication of IT8020915A0 publication Critical patent/IT8020915A0/it
Application granted granted Critical
Publication of IT1130079B publication Critical patent/IT1130079B/it

Links

Classifications

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IT20915/80A 1979-03-28 1980-03-26 Procedimento per depurare acetonitrile grezzo IT1130079B (it)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP3657779A JPS55129257A (en) 1979-03-28 1979-03-28 Purification of acetonitrile containing hydrogen cyanide
JP5197979A JPS55143950A (en) 1979-04-26 1979-04-26 Purification of acetonitrile
JP5197879A JPS55143949A (en) 1979-04-26 1979-04-26 Recovery of purified acetonitrile
JP6128879A JPS55153757A (en) 1979-05-18 1979-05-18 Purification of crude acetonitrile by dehydration

Publications (2)

Publication Number Publication Date
IT8020915A0 IT8020915A0 (it) 1980-03-26
IT1130079B true IT1130079B (it) 1986-06-11

Family

ID=27460283

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20915/80A IT1130079B (it) 1979-03-28 1980-03-26 Procedimento per depurare acetonitrile grezzo

Country Status (3)

Country Link
US (2) US4308108A (it)
DE (4) DE3050668C2 (it)
IT (1) IT1130079B (it)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4362603A (en) * 1981-01-02 1982-12-07 The Standard Oil Company Continuous acetonitrile recovery process
US4474709A (en) * 1982-06-28 1984-10-02 E. I. Du Pont De Nemours And Company Removal of oxazole from acetonitrile
CA2136235C (en) * 1992-05-21 2004-04-20 Barry W. Himes Method for purification of acetonitrile
US5426208A (en) * 1992-05-21 1995-06-20 Cryodyne Technologies, Inc. Method of purification of acetonitrile
US5629443A (en) * 1993-05-14 1997-05-13 Asahi Kasei Kogyo Kabushiki Kaisha Highly purified acetonitrile and process for purifying crude acetonitrile
NZ310404A (en) * 1995-06-19 1999-07-29 Refrigerant Services Inc Chang Refrigerant separation system comprising a fractional distillation column in conjunction with a chilling unit and a generator for forming liquid and gas phases of the mixture to be separated
US6843890B1 (en) * 1999-07-23 2005-01-18 The Standard Oil Company Purification and recovery of acetonitrile from waste solvent acetonitrile
US6395142B1 (en) 1999-10-14 2002-05-28 Chemcycles, Inc. Method and apparatus for purifying low grade acetonitrile and other constituents from hazardous waste
CN101171233B (zh) * 2005-05-10 2011-04-20 旭化成化学株式会社 高纯度乙腈及其制造方法
CN101597241B (zh) * 2008-06-06 2012-11-21 上海星可高纯溶剂有限公司 一种提纯超净高纯度乙腈的方法
JP6143744B2 (ja) * 2012-03-26 2017-06-07 旭化成株式会社 アセトニトリルの精製方法
CN104603101B (zh) * 2012-08-31 2017-03-01 旭化成株式会社 乙腈的纯化方法
CN104961651A (zh) * 2015-05-18 2015-10-07 中国石油大学(华东) 一种萃取精馏隔壁塔分离乙腈和水的方法
US9920262B1 (en) * 2016-11-22 2018-03-20 Rj Lee Group, Inc. Methods of separation of pyrolysis oils
US10577540B2 (en) * 2018-06-06 2020-03-03 Rj Lee Group, Inc. Method and apparatus for steam separation of pyrolysis oils
CN115968367A (zh) * 2020-09-03 2023-04-14 奥升德功能材料运营有限公司 回收乙腈的方法
CA3189865A1 (en) * 2020-09-04 2022-03-10 Ascend Performance Materials Operations Llc Acetonitrile separation process
CN113461544B (zh) * 2021-06-24 2022-10-14 索闻特环保科技(上海)有限公司 含有乙腈、三乙胺和水的混合液的处理方法
CN115850091B (zh) * 2022-12-30 2024-09-13 东华工程科技股份有限公司 一种共沸精馏分离乙腈、三乙胺和水的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB984725A (en) * 1962-07-21 1965-03-03 Electro Chimie Metal Improvements in or relating to the purification of acrylonitrile
FR1352268A (fr) * 1963-01-05 1964-02-14 Electro Chimie Soc D Perfectionnements à la purification des nitriles non saturés
FR1427860A (fr) * 1964-12-24 1966-02-11 Electrochimie Soc Perfectionnements aux procédés d'obtention d'acrylonitrile et d'acétonitrile purs
FR1431919A (fr) * 1965-02-06 1966-03-18 Electrochimie Soc Perfectionnements à la purification de mélanges contenant de l'acétonitrile
CA853174A (en) * 1967-06-24 1970-10-06 Farbenfabriken Bayer Aktiengesellschaft Process for the separation of acrylonitrile and acetonitrile
DD110489A2 (it) * 1973-12-03 1974-12-20
US4119497A (en) * 1975-12-01 1978-10-10 Instituto Mexicano Del Petroleo Process for the purification of acetonitrile

Also Published As

Publication number Publication date
US4430162A (en) 1984-02-07
US4308108A (en) 1981-12-29
IT8020915A0 (it) 1980-03-26
DE3011391A1 (de) 1980-10-02
DE3050670C2 (it) 1988-01-07
DE3011391C2 (it) 1987-08-27
DE3050668C2 (it) 1988-01-07
DE3050669C2 (it) 1988-01-07

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970329