AT225689B - Verfahren zur Gewinnung von acetonitrilfreiem Acrylnitril - Google Patents

Verfahren zur Gewinnung von acetonitrilfreiem Acrylnitril

Info

Publication number
AT225689B
AT225689B AT283361A AT283361A AT225689B AT 225689 B AT225689 B AT 225689B AT 283361 A AT283361 A AT 283361A AT 283361 A AT283361 A AT 283361A AT 225689 B AT225689 B AT 225689B
Authority
AT
Austria
Prior art keywords
acetonitrile
production
free acrylonitrile
acrylonitrile
free
Prior art date
Application number
AT283361A
Other languages
English (en)
Inventor
Kasimir Krzemicki
Original Assignee
Chemie Linz Ag
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 Chemie Linz Ag filed Critical Chemie Linz Ag
Priority to AT283361A priority Critical patent/AT225689B/de
Priority to DEL38720A priority patent/DE1184338B/de
Priority to NL276402A priority patent/NL276402A/xx
Priority to FR892217A priority patent/FR1318294A/fr
Priority to CH367462A priority patent/CH416597A/de
Priority to US184372A priority patent/US3210399A/en
Priority to GB12914/62A priority patent/GB970633A/en
Application granted granted Critical
Publication of AT225689B publication Critical patent/AT225689B/de

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AT283361A 1961-04-08 1961-04-08 Verfahren zur Gewinnung von acetonitrilfreiem Acrylnitril AT225689B (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
AT283361A AT225689B (de) 1961-04-08 1961-04-08 Verfahren zur Gewinnung von acetonitrilfreiem Acrylnitril
DEL38720A DE1184338B (de) 1961-04-08 1961-04-12 Verfahren zur Gewinnung von acetonitrilfreiem Acrylsaeurenitril aus Gasgemischen
NL276402A NL276402A (de) 1961-04-08 1962-03-26
FR892217A FR1318294A (fr) 1961-04-08 1962-03-26 Procédé de récupération d'acrylonitrile ne renfermant pas d'acétonitrile
CH367462A CH416597A (de) 1961-04-08 1962-03-27 Verfahren zur Gewinnung von acetonitrilfreiem Acrylnitril
US184372A US3210399A (en) 1961-04-08 1962-04-02 Method of preparing acrylonitrile free from acetonitrile
GB12914/62A GB970633A (en) 1961-04-08 1962-04-04 Method of preparing acrylonitrile free from acetonitrile

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT283361A AT225689B (de) 1961-04-08 1961-04-08 Verfahren zur Gewinnung von acetonitrilfreiem Acrylnitril
DEL38720A DE1184338B (de) 1961-04-08 1961-04-12 Verfahren zur Gewinnung von acetonitrilfreiem Acrylsaeurenitril aus Gasgemischen

Publications (1)

Publication Number Publication Date
AT225689B true AT225689B (de) 1963-02-11

Family

ID=36936480

Family Applications (1)

Application Number Title Priority Date Filing Date
AT283361A AT225689B (de) 1961-04-08 1961-04-08 Verfahren zur Gewinnung von acetonitrilfreiem Acrylnitril

Country Status (6)

Country Link
US (1) US3210399A (de)
AT (1) AT225689B (de)
CH (1) CH416597A (de)
DE (1) DE1184338B (de)
GB (1) GB970633A (de)
NL (1) NL276402A (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3328266A (en) * 1967-06-27 Modiano etal separation of acrylonitrile by extractive distillation with water
GB984725A (en) * 1962-07-21 1965-03-03 Electro Chimie Metal Improvements in or relating to the purification of acrylonitrile
DE1443842A1 (de) * 1962-10-27 1968-12-12 Bayer Ag Verfahren zur Trennung von Acrylnitril und Acetonitril
NL301608A (de) * 1962-12-19
GB1051080A (de) * 1964-08-14
US3399120A (en) * 1965-12-09 1968-08-27 Monsanto Co Purification of olefinically unsaturated nitriles by water extractive distillation
GB1131134A (en) * 1966-04-29 1968-10-23 B P Chemicals U K Ltd Improvements in or relating to the purification of acrylonitrile
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
BE791286A (fr) * 1971-11-17 1973-03-01 Snam Progetti Procede de purification d'acrylonitrile
US4234510A (en) * 1973-06-07 1980-11-18 Standard Oil Company Recovery of acrylonitrile or methacrylonitrile by condensation
US4119497A (en) * 1975-12-01 1978-10-10 Instituto Mexicano Del Petroleo Process for the purification of acetonitrile

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2415662A (en) * 1943-10-06 1947-02-11 Sinelair Refining Company Distillation of acrylonitrile from acetonitrile
US2681306A (en) * 1952-02-06 1954-06-15 Du Pont Purification of acrylonitrile by extractive distillation
US2807573A (en) * 1954-04-28 1957-09-24 Escambia Chem Corp Purification of acrylonitrile by extractive distillation
US2773088A (en) * 1955-05-18 1956-12-04 Nat Res Corp Method for the mutual separation of acrylonitrile, acetonitrile, and propionitrile from aqueous solutions

Also Published As

Publication number Publication date
NL276402A (de) 1964-10-26
US3210399A (en) 1965-10-05
GB970633A (en) 1964-09-23
CH416597A (de) 1966-07-15
DE1184338B (de) 1964-12-31

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