GB1044211A - Method for the purification of acrylonitrile - Google Patents
Method for the purification of acrylonitrileInfo
- Publication number
- GB1044211A GB1044211A GB1166563A GB1166563A GB1044211A GB 1044211 A GB1044211 A GB 1044211A GB 1166563 A GB1166563 A GB 1166563A GB 1166563 A GB1166563 A GB 1166563A GB 1044211 A GB1044211 A GB 1044211A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acrylonitrile
- hcn
- purification
- water
- azeotrope
- 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
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)
Abstract
An aqueous solution of acrylonitrile, obtained by dissolving in water the product of the reaction between C2H2 and HCN, is purified by enriching the solution with HCN to a content of 8-20% by weight based on acrylonitrile, and distilling; e.g. in a two-part vessel such that an acrylonitrile/water azeotrope distils from the first part to the second part, where low-boiling impurities are taken off and the azeotrope is condensed, collected and re-distilled (see Division
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RO4528362 | 1962-04-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1044211A true GB1044211A (en) | 1966-09-28 |
Family
ID=20086390
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1166563A Expired GB1044211A (en) | 1962-04-04 | 1963-03-25 | Method for the purification of acrylonitrile |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE1468251A1 (en) |
GB (1) | GB1044211A (en) |
-
1963
- 1963-03-20 DE DE19631468251 patent/DE1468251A1/en active Pending
- 1963-03-25 GB GB1166563A patent/GB1044211A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1468251A1 (en) | 1969-02-27 |
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