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DE3775538D1 - Verfahren zur gewinnung und reinigung von nicht umgesetztem acrylnitril. - Google Patents

Verfahren zur gewinnung und reinigung von nicht umgesetztem acrylnitril.

Info

Publication number
DE3775538D1
DE3775538D1 DE8787905682T DE3775538T DE3775538D1 DE 3775538 D1 DE3775538 D1 DE 3775538D1 DE 8787905682 T DE8787905682 T DE 8787905682T DE 3775538 T DE3775538 T DE 3775538T DE 3775538 D1 DE3775538 D1 DE 3775538D1
Authority
DE
Germany
Prior art keywords
acrylonitrile
purified
tower
acrylamido
unreacted
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 - Fee Related
Application number
DE8787905682T
Other languages
English (en)
Inventor
J Hallenburg
C Clark
L Hambrick
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.)
Lubrizol Corp
Original Assignee
Lubrizol Corp
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 Lubrizol Corp filed Critical Lubrizol Corp
Application granted granted Critical
Publication of DE3775538D1 publication Critical patent/DE3775538D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE8787905682T 1986-08-13 1987-07-30 Verfahren zur gewinnung und reinigung von nicht umgesetztem acrylnitril. Expired - Fee Related DE3775538D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US89654586A 1986-08-13 1986-08-13
PCT/US1987/001836 WO1988001263A1 (en) 1986-08-13 1987-07-30 A process for recovering and purifying unreacted acrylonitrile

Publications (1)

Publication Number Publication Date
DE3775538D1 true DE3775538D1 (de) 1992-02-06

Family

ID=25406400

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787905682T Expired - Fee Related DE3775538D1 (de) 1986-08-13 1987-07-30 Verfahren zur gewinnung und reinigung von nicht umgesetztem acrylnitril.

Country Status (5)

Country Link
US (1) US4808344A (de)
EP (1) EP0276297B1 (de)
AT (1) ATE70823T1 (de)
DE (1) DE3775538D1 (de)
WO (1) WO1988001263A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5389208A (en) * 1988-07-18 1995-02-14 Canadian Chemical Reclaiming Ltd. Process for reclaiming and/or concentrating waste aqueous solutions of gas treating chemicals
CA1325401C (en) * 1988-07-18 1993-12-21 Dwight Merritt Process and apparatus for reclaiming waste gas treating chemical
US5158651A (en) * 1990-06-11 1992-10-27 Hoechst Celanese Corporation Process of centrifugally removing inorganic compounds from polyester glycol recovery bottoms
US5192399A (en) * 1991-01-30 1993-03-09 E. I. Du Pont De Nemours And Company Purification of aminonitriles or diamines
US7128815B2 (en) * 2003-03-25 2006-10-31 Council Of Scientific And Industrial Research Process for recovery of pure acrylonitrile
DE10394218T5 (de) * 2003-03-31 2007-07-26 Council Of Scientific And Industrial Research Verfahren für die Gewinnung von reinem Acrylnitril
PL2496328T3 (pl) * 2009-11-02 2020-08-24 Chem Group, Inc. Proces oczyszczania płynów technologicznych
WO2017162545A1 (de) 2016-03-24 2017-09-28 Basf Se Verfahren zur herstellung von atbs und copolymeren daraus

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR949084A (fr) * 1942-12-01 1949-08-19 American Cyanamid Co Procédé de purification du nitrile acrylique brut
US2361367A (en) * 1942-12-01 1944-10-31 American Cyanamid Co Method of removing acetylene polymers from crude acrylonitrile
US2653966A (en) * 1951-07-20 1953-09-29 Monsanto Chemicals Purification of acrylonitrile
US2987451A (en) * 1957-02-13 1961-06-06 Knapsack Ag Process for purifying acrylonitrile
US3051630A (en) * 1958-01-25 1962-08-28 Distillers Co Yeast Ltd Purification of acrylonitrile
FR1352268A (fr) * 1963-01-05 1964-02-14 Electro Chimie Soc D Perfectionnements à la purification des nitriles non saturés
NL302210A (de) * 1963-01-16
US4377444A (en) * 1970-04-16 1983-03-22 The Standard Oil Co. Recovery and purification of olefinic nitriles
DE2534399A1 (de) * 1975-08-01 1977-02-17 Basf Ag Verfahren zum reinigen von acrylnitril fuer die herstellung von acrylnitrilpolymerisaten
US4108734A (en) * 1976-06-14 1978-08-22 Bethlehem Steel Corporation Process for the distillation of weak ammonia liquor
JPS54163524A (en) * 1978-06-12 1979-12-26 Nitto Chem Ind Co Ltd Production of high-purity 2-acrylamide-2- methylpropanesulfonic acid
DE2938424C2 (de) * 1979-09-22 1981-12-03 Industrie Chemie Thoma GmbH & Co Produktions KG, 8264 Waldkraiburg Verfahren zur Abtrenunng von mit Destillatdämpfen übergehenden Säuren und Basen
DE3239527A1 (de) * 1982-10-26 1984-04-26 Röhm GmbH, 6100 Darmstadt Verfahren zur herstellung langkettiger n-alkansulfonsaeuren von acrylamiden und methacrylamiden
US4404064A (en) * 1982-12-30 1983-09-13 Monsanto Company Water extractive distillation of olefinically unsaturated nitriles
JPH05262226A (ja) * 1992-03-17 1993-10-12 Yasuaki Kohama 列車等の軌道走行高速車両の走行安定装置

Also Published As

Publication number Publication date
EP0276297B1 (de) 1991-12-27
EP0276297A1 (de) 1988-08-03
ATE70823T1 (de) 1992-01-15
US4808344A (en) 1989-02-28
WO1988001263A1 (en) 1988-02-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee