IT8020915A0 - Procedimento per depurare acetonitrile grezzo. - Google Patents

Procedimento per depurare acetonitrile grezzo.

Info

Publication number
IT8020915A0
IT8020915A0 IT8020915A IT2091580A IT8020915A0 IT 8020915 A0 IT8020915 A0 IT 8020915A0 IT 8020915 A IT8020915 A IT 8020915A IT 2091580 A IT2091580 A IT 2091580A IT 8020915 A0 IT8020915 A0 IT 8020915A0
Authority
IT
Italy
Prior art keywords
procedure
purifying raw
acetonitrile
raw acetonitrile
purifying
Prior art date
Application number
IT8020915A
Other languages
English (en)
Other versions
IT1130079B (it
Inventor
Higuchi Terumasa
Susumago Hiroshi
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 true IT8020915A0 (it) 1980-03-26
IT1130079B 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
US5426208A (en) * 1992-05-21 1995-06-20 Cryodyne Technologies, Inc. Method of purification of acetonitrile
DE69307701T2 (de) * 1992-05-21 1997-05-15 Cryodyne Tech Inc Verfahren zur reinigung von acetonitril
US5629443A (en) * 1993-05-14 1997-05-13 Asahi Kasei Kogyo Kabushiki Kaisha Highly purified acetonitrile and process for purifying crude acetonitrile
EP0841976A1 (en) * 1995-06-19 1998-05-20 Climate Supply (Atlantic) Inc. Refrigerant separation system
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
EP1882682B1 (en) * 2005-05-10 2015-07-08 Asahi Kasei Chemicals Corporation High-purity acetonitrile and process for producing the same
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
WO2013146609A1 (ja) * 2012-03-26 2013-10-03 旭化成ケミカルズ株式会社 アセトニトリルの精製方法
IN2015DN01264A (it) * 2012-08-31 2015-07-03 Asahi Kasei Chemicals Corp
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
MX2023002639A (es) * 2020-09-03 2023-03-17 Ascend Performance Mat Operations Llc Proceso para recuperar acetonitrilo.
EP4208439A1 (en) 2020-09-04 2023-07-12 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
CN115850091A (zh) * 2022-12-30 2023-03-28 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
IT836749A (it) * 1967-06-24
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
DE3011391A1 (de) 1980-10-02
IT1130079B (it) 1986-06-11
DE3050668C2 (it) 1988-01-07
DE3011391C2 (it) 1987-08-27
US4308108A (en) 1981-12-29
US4430162A (en) 1984-02-07
DE3050669C2 (it) 1988-01-07
DE3050670C2 (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