GB1247720A - Process for purifying liquid hydrocyanic acid - Google Patents
Process for purifying liquid hydrocyanic acidInfo
- Publication number
- GB1247720A GB1247720A GB61630/68A GB6163068A GB1247720A GB 1247720 A GB1247720 A GB 1247720A GB 61630/68 A GB61630/68 A GB 61630/68A GB 6163068 A GB6163068 A GB 6163068A GB 1247720 A GB1247720 A GB 1247720A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acid
- hydrocyanic acid
- impurities
- contaminated
- purified
- 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
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 title abstract 10
- 239000007788 liquid Substances 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 2
- 239000002253 acid Substances 0.000 abstract 4
- 239000012535 impurity Substances 0.000 abstract 3
- XLJMAIOERFSOGZ-UHFFFAOYSA-N cyanic acid Chemical compound OC#N XLJMAIOERFSOGZ-UHFFFAOYSA-N 0.000 abstract 2
- 238000004821 distillation Methods 0.000 abstract 2
- KNIUHBNRWZGIQQ-UHFFFAOYSA-N 7-diethoxyphosphinothioyloxy-4-methylchromen-2-one Chemical compound CC1=CC(=O)OC2=CC(OP(=S)(OCC)OCC)=CC=C21 KNIUHBNRWZGIQQ-UHFFFAOYSA-N 0.000 abstract 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 abstract 1
- UEZVMMHDMIWARA-UHFFFAOYSA-N Metaphosphoric acid Chemical compound OP(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-N 0.000 abstract 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract 1
- 239000005864 Sulphur Substances 0.000 abstract 1
- 150000007513 acids Chemical class 0.000 abstract 1
- 125000001931 aliphatic group Chemical group 0.000 abstract 1
- 125000003710 aryl alkyl group Chemical group 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000006227 byproduct Substances 0.000 abstract 1
- 239000003610 charcoal Substances 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- XPPKVPWEQAFLFU-UHFFFAOYSA-N diphosphoric acid Chemical compound OP(O)(=O)OP(O)(O)=O XPPKVPWEQAFLFU-UHFFFAOYSA-N 0.000 abstract 1
- 150000002391 heterocyclic compounds Chemical class 0.000 abstract 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 abstract 1
- 229930195733 hydrocarbon Natural products 0.000 abstract 1
- 150000002430 hydrocarbons Chemical class 0.000 abstract 1
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 1
- 239000011707 mineral Substances 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
- 229940005657 pyrophosphoric acid Drugs 0.000 abstract 1
- 238000003786 synthesis reaction Methods 0.000 abstract 1
Classifications
-
- 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
- C01C3/0295—Purification
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19681667786 DE1667786C3 (de) | 1968-02-02 | 1968-02-02 | Verfahren zur Reinigung flüssiger Blausäure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1247720A true GB1247720A (en) | 1971-09-29 |
Family
ID=5686000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB61630/68A Expired GB1247720A (en) | 1968-02-02 | 1968-12-30 | Process for purifying liquid hydrocyanic acid |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3655519A (OSRAM) |
| BE (1) | BE727725A (OSRAM) |
| FR (1) | FR2001225A1 (OSRAM) |
| GB (1) | GB1247720A (OSRAM) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19748513A1 (de) * | 1997-11-03 | 1999-05-06 | Sueddeutsche Kalkstickstoff | Verfahren zur adsorptiven Entfernung von Kohlenwasserstoffen aus wässrigen Blausäurelösungen |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3034527B1 (de) | 2014-12-19 | 2017-05-31 | Evonik Degussa GmbH | Covernetzersysteme für Verkapselungsfolien umfassend Bis-(alkenylamid)-Verbindungen |
| ES2635260T3 (es) | 2014-12-19 | 2017-10-03 | Evonik Degussa Gmbh | Sistemas correticulantes para láminas de encapsulado que comprenden compuestos de urea |
| KR20180030039A (ko) * | 2015-07-14 | 2018-03-21 | 더 케무어스 컴퍼니 에프씨, 엘엘씨 | 시안화수소로부터 니트릴을 제거하는 방법 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3328266A (en) * | 1967-06-27 | Modiano etal separation of acrylonitrile by extractive distillation with water | ||
| US2416624A (en) * | 1945-03-09 | 1947-02-25 | Du Pont | Stabilization of cyanhydrins |
| US2555798A (en) * | 1945-06-21 | 1951-06-05 | American Cyanamid Co | Purification of acrylonitrile by steam distillation |
| US2987451A (en) * | 1957-02-13 | 1961-06-06 | Knapsack Ag | Process for purifying acrylonitrile |
| DE1174303B (de) * | 1961-09-05 | 1964-07-23 | Lonza Ag | Verfahren zum Abtrennen von Cyan-wasserstoff aus Loesungen von Acetaldehyd und Cyanwasserstoff in Wasser |
| NL302210A (OSRAM) * | 1963-01-16 | |||
| GB1046420A (en) * | 1963-12-09 | 1966-10-26 | Crown Zellerbach Corp | Treatment of dialkyl sulfoxides |
-
1968
- 1968-12-30 GB GB61630/68A patent/GB1247720A/en not_active Expired
-
1969
- 1969-01-31 FR FR6902150A patent/FR2001225A1/fr not_active Withdrawn
- 1969-01-31 US US795534*A patent/US3655519A/en not_active Expired - Lifetime
- 1969-01-31 BE BE727725D patent/BE727725A/xx unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19748513A1 (de) * | 1997-11-03 | 1999-05-06 | Sueddeutsche Kalkstickstoff | Verfahren zur adsorptiven Entfernung von Kohlenwasserstoffen aus wässrigen Blausäurelösungen |
| DE19748513C2 (de) * | 1997-11-03 | 1999-09-09 | Sueddeutsche Kalkstickstoff | Verfahren zur adsorptiven Entfernung von Kohlenwasserstoffen aus wässrigen Blausäurelösungen |
| US6123852A (en) * | 1997-11-03 | 2000-09-26 | Skw Trostberg Aktiengesellschaft | Method for the adsorptive extraction of hydrocarbons from aqueous solutions of hydrocyanic acid |
Also Published As
| Publication number | Publication date |
|---|---|
| US3655519A (en) | 1972-04-11 |
| BE727725A (OSRAM) | 1969-07-31 |
| FR2001225A1 (OSRAM) | 1969-09-26 |
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