IT1130911B - Separazione di acetonitrile da nitrili grezzi olefinicamente insaturi - Google Patents

Separazione di acetonitrile da nitrili grezzi olefinicamente insaturi

Info

Publication number
IT1130911B
IT1130911B IT19560/80A IT1956080A IT1130911B IT 1130911 B IT1130911 B IT 1130911B IT 19560/80 A IT19560/80 A IT 19560/80A IT 1956080 A IT1956080 A IT 1956080A IT 1130911 B IT1130911 B IT 1130911B
Authority
IT
Italy
Prior art keywords
nitrils
acetonitrile
separation
olefinically unsaturated
unsaturated raw
Prior art date
Application number
IT19560/80A
Other languages
English (en)
Other versions
IT8019560A0 (it
Inventor
Issei Katsuta
Tetsuo Tanaka
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
Application filed by Asahi Chemical Ind filed Critical Asahi Chemical Ind
Publication of IT8019560A0 publication Critical patent/IT8019560A0/it
Application granted granted Critical
Publication of IT1130911B publication Critical patent/IT1130911B/it

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
    • 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
    • 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
    • Y10S203/20—Power plant
IT19560/80A 1979-02-02 1980-01-30 Separazione di acetonitrile da nitrili grezzi olefinicamente insaturi IT1130911B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1110979A JPS55104244A (en) 1979-02-02 1979-02-02 Separation and incineration of crude olefinic unsaturated acetonitrile

Publications (2)

Publication Number Publication Date
IT8019560A0 IT8019560A0 (it) 1980-01-30
IT1130911B true IT1130911B (it) 1986-06-18

Family

ID=11768832

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19560/80A IT1130911B (it) 1979-02-02 1980-01-30 Separazione di acetonitrile da nitrili grezzi olefinicamente insaturi

Country Status (5)

Country Link
US (1) US4294665A (it)
JP (1) JPS55104244A (it)
DE (1) DE3003319C2 (it)
GB (1) GB2041931B (it)
IT (1) IT1130911B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58225048A (ja) * 1982-06-22 1983-12-27 Asahi Chem Ind Co Ltd メタクリロニトリルの製造法
US4474709A (en) * 1982-06-28 1984-10-02 E. I. Du Pont De Nemours And Company Removal of oxazole from acetonitrile
JPS5984835A (ja) * 1982-11-04 1984-05-16 Sumitomo Chem Co Ltd メチルタ−シヤリ−ブチルエ−テルの製造方法
JPH01181077U (it) * 1988-06-13 1989-12-27
DE4213527A1 (de) * 1992-04-24 1993-10-28 Bayer Ag Wäßrige Überzugsmittel für elastische Einbrennlackierungen
ES2236251T3 (es) * 2000-07-18 2005-07-16 The Standard Oil Company Procedimiento para la purificacion y recuperacion de acetonitrilo.
US7799946B2 (en) * 2007-02-14 2010-09-21 Saudi Basic Industries Corporation Process for separating methacrolein from methacrylic acid in a gas phase product from the partial oxidation of isobutene
KR20230169438A (ko) 2018-05-29 2023-12-15 시바카이 가부시키가이샤 화물 컨테이너
CN113372242A (zh) * 2021-06-24 2021-09-10 上海星可高纯溶剂有限公司 含水乙腈的提纯方法
CN115180756A (zh) * 2022-06-10 2022-10-14 武汉北湖云峰环保科技有限公司 一种乙腈废液的纯化回收装置及方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1212962B (de) * 1960-08-12 1966-03-24 Knapsack Ag Verfahren zur Abtrennung und Gewinnung von Acrylsaeurenitril und Ammoniak aus gasfoermigen Gemischen durch Auswaschen
FR1427860A (fr) * 1964-12-24 1966-02-11 Electrochimie Soc Perfectionnements aux procédés d'obtention d'acrylonitrile et d'acétonitrile purs
US3399120A (en) * 1965-12-09 1968-08-27 Monsanto Co Purification of olefinically unsaturated nitriles by water extractive distillation
US3352764A (en) * 1966-05-02 1967-11-14 Standard Oil Co Absorption and distillation process for separating crude unsaturated nitriles from acetonitrile with selective solvent recycle
CA853174A (en) * 1967-06-24 1970-10-06 Farbenfabriken Bayer Aktiengesellschaft Process for the separation of acrylonitrile and acetonitrile
US3507755A (en) * 1967-10-17 1970-04-21 Bayer Ag Process for the purification of acrylonitrile by distillation with side stream withdrawal and decantation
DE1920761A1 (de) * 1969-04-24 1970-11-12 Bayer Ag Verfahren zur Trennung von Acrylnitril und Acetonitril
JPS5144913B2 (it) * 1974-10-03 1976-12-01

Also Published As

Publication number Publication date
JPS6144860B2 (it) 1986-10-04
JPS55104244A (en) 1980-08-09
GB2041931A (en) 1980-09-17
US4294665A (en) 1981-10-13
DE3003319C2 (de) 1985-03-14
GB2041931B (en) 1983-03-23
DE3003319A1 (de) 1980-08-07
IT8019560A0 (it) 1980-01-30

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Effective date: 19960129