ATA341883A - METHOD AND DEVICE FOR PURIFYING RAW ACETONITRILE TO OBTAIN PURE BLUE ACID - Google Patents
METHOD AND DEVICE FOR PURIFYING RAW ACETONITRILE TO OBTAIN PURE BLUE ACIDInfo
- Publication number
- ATA341883A ATA341883A AT833418A AT341883A ATA341883A AT A341883 A ATA341883 A AT A341883A AT 833418 A AT833418 A AT 833418A AT 341883 A AT341883 A AT 341883A AT A341883 A ATA341883 A AT A341883A
- Authority
- AT
- Austria
- Prior art keywords
- obtain pure
- pure blue
- purifying raw
- blue acid
- acetonitrile
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C3/00—Cyanogen; Compounds thereof
- C01C3/02—Preparation, separation or purification of hydrogen cyanide
- C01C3/04—Separation from gases
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19833334321 DE3334321A1 (en) | 1983-09-22 | 1983-09-22 | Process for the purification of crude acetonitrile with the recovery of pure prussic acid |
AT0341883A AT379381B (en) | 1983-09-22 | 1983-09-27 | METHOD AND DEVICE FOR PURIFYING RAW ACETONITRILE TO OBTAIN PURE BLUE ACID |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19833334321 DE3334321A1 (en) | 1983-09-22 | 1983-09-22 | Process for the purification of crude acetonitrile with the recovery of pure prussic acid |
AT0341883A AT379381B (en) | 1983-09-22 | 1983-09-27 | METHOD AND DEVICE FOR PURIFYING RAW ACETONITRILE TO OBTAIN PURE BLUE ACID |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA341883A true ATA341883A (en) | 1985-05-15 |
AT379381B AT379381B (en) | 1985-12-27 |
Family
ID=25600026
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT0341883A AT379381B (en) | 1983-09-22 | 1983-09-27 | METHOD AND DEVICE FOR PURIFYING RAW ACETONITRILE TO OBTAIN PURE BLUE ACID |
Country Status (2)
Country | Link |
---|---|
AT (1) | AT379381B (en) |
DE (1) | DE3334321A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5440068A (en) * | 1993-12-30 | 1995-08-08 | The Standard Oil Company | Acetonitrile purification via an adsorption-based process |
CN1073533C (en) * | 1995-08-10 | 2001-10-24 | 淄博石油化工厂 | Process for recovering by-product gaseous hydrocyanic acid from acrylonitrile production |
DE69707848T2 (en) * | 1997-07-08 | 2002-04-04 | The Standard Oil Company, Chicago | Process for the purification of acetonitrile |
CA2415395C (en) | 2000-07-18 | 2009-12-01 | The Standard Oil Company | Improved process for the purification and recovery of acetonitrile |
DE10317929A1 (en) * | 2003-04-17 | 2004-11-11 | Basf Ag | Process for purifying hydrocyanic acid |
BRPI0813576A2 (en) | 2007-07-10 | 2014-12-23 | Sumitomo Chemical Co | Method for the production of propylene oxide |
KR20230058521A (en) * | 2020-09-03 | 2023-05-03 | 어센드 퍼포먼스 머티리얼즈 오퍼레이션즈 엘엘씨 | Acetonitrile recovery method |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4362603A (en) * | 1981-01-02 | 1982-12-07 | The Standard Oil Company | Continuous acetonitrile recovery process |
-
1983
- 1983-09-22 DE DE19833334321 patent/DE3334321A1/en not_active Withdrawn
- 1983-09-27 AT AT0341883A patent/AT379381B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AT379381B (en) | 1985-12-27 |
DE3334321A1 (en) | 1985-04-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee | ||
UEP | Publication of translation of european patent specification |
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