PE20070058A1 - Proceso para preparar sales de acido cianhidrico - Google Patents
Proceso para preparar sales de acido cianhidricoInfo
- Publication number
- PE20070058A1 PE20070058A1 PE2006000614A PE2006000614A PE20070058A1 PE 20070058 A1 PE20070058 A1 PE 20070058A1 PE 2006000614 A PE2006000614 A PE 2006000614A PE 2006000614 A PE2006000614 A PE 2006000614A PE 20070058 A1 PE20070058 A1 PE 20070058A1
- Authority
- PE
- Peru
- Prior art keywords
- acid salts
- cyanic acid
- crude gas
- formamide
- hydroxide
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C3/00—Cyanogen; Compounds thereof
- C01C3/08—Simple or complex cyanides of metals
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C3/00—Cyanogen; Compounds thereof
- C01C3/08—Simple or complex cyanides of metals
- C01C3/10—Simple alkali metal cyanides
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)
Abstract
QUE COMPRENDE: a) PREPARAR UN GAS CRUDO QUE COMPRENDE ACIDO CIANHIDRICO POR DESHIDRATACION DE FORMAMIDA HASTA UNA CONVERSION DE LA FORMAMIDA MAYOR O IGUAL A 97%, EN UN REACTOR EN PRESENCIA DE AIRE U OXIGENO Y A UNA TEMPERATURA ENTRE 300°C Y 650°C; b) DE SER APROPIADO, LAVAR CON ACIDO SULFURICO EL GAS CRUDO OBTENIDO EN (a); Y, c) HACER REACCIONAR EL GAS CRUDO OBTENIDO EN (a), O DE SER APROPIADO DE (b), CON UNA SOLUCION ACUOSA DE UN HIDROXIDO M(OH)x, DONDE M ES SELECCIONADO DEL GRUPO QUE CONSISTE EN METALES ALCALINOS Y METALES ALCALINOTERREOS, TAL COMO Li, Na Y K, Y x DEPENDE DEL ESTADO DE OXIDACION DE M Y ES 1 o 2. LA SOLUCION ACUOSA EN (c) COMPRENDE DE 5% A 50% EN PESO DE HIDROXIDO, Y (c) SE LLEVA A CABO A UNA TEMPERATURA DE 5°C A 100°C
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102005026326A DE102005026326A1 (de) | 2005-06-07 | 2005-06-07 | Verfahren zur Herstellung von Salzen der Blausäure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PE20070058A1 true PE20070058A1 (es) | 2007-02-04 |
Family
ID=37024043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PE2006000614A PE20070058A1 (es) | 2005-06-07 | 2006-06-05 | Proceso para preparar sales de acido cianhidrico |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US20080203355A1 (es) |
| EP (1) | EP1890966A2 (es) |
| CN (1) | CN101218177A (es) |
| AP (1) | AP2007004270A0 (es) |
| AR (1) | AR057345A1 (es) |
| AU (1) | AU2006256840A1 (es) |
| BR (1) | BRPI0611057A2 (es) |
| CA (1) | CA2610981A1 (es) |
| DE (1) | DE102005026326A1 (es) |
| MX (1) | MX2007015207A (es) |
| NZ (1) | NZ563912A (es) |
| PE (1) | PE20070058A1 (es) |
| RU (1) | RU2384526C2 (es) |
| WO (1) | WO2006131467A2 (es) |
| ZA (1) | ZA200800091B (es) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101379204B (zh) | 2006-02-03 | 2012-01-11 | 巴斯夫欧洲公司 | 用于氰化物浸提提取金和银的含金属氰化物水溶液 |
| US8894961B2 (en) | 2009-05-22 | 2014-11-25 | E I Du Pont De Nemours And Company | Sodium cyanide process |
| CN102502707B (zh) * | 2011-10-26 | 2014-04-23 | 重庆紫光化工股份有限公司 | 从含氢氰酸混合气中提纯氢氰酸的方法 |
| CN104556151B (zh) * | 2013-10-12 | 2018-01-23 | 西北大学 | 一种普鲁士蓝的制备方法 |
| DE102015211233A1 (de) * | 2015-06-18 | 2016-12-22 | Epc Engineering Consulting Gmbh | Effizientes Verfahren zum Entgiften von cyanidhaltigen Abgasen und Abwässern in einem Verfahren zur Herstellung von Alkalimetallcyaniden |
| DE102015211231A1 (de) * | 2015-06-18 | 2016-12-22 | Epc Engineering Consulting Gmbh | Weiterentwickelte Anlage zur Herstellung von Natriumcyanid |
| CN105481722B (zh) * | 2016-01-22 | 2017-08-25 | 江苏亚邦染料股份有限公司 | 一种1,4‑二氨基‑2,3‑二氰基蒽醌的制备方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1596119A (en) * | 1926-02-18 | 1926-08-17 | California Cyanide Company Inc | Process for making calcium cyanogen compounds and the product thereof |
| US3015539A (en) * | 1957-07-08 | 1962-01-02 | Du Pont | Production of cyanide salts |
| BE793869Q (fr) * | 1967-10-27 | 1973-05-02 | Degussa | Procede de production de cyanures alcalins |
| DE3525749A1 (de) * | 1985-07-19 | 1987-01-29 | Basf Ag | Verfahren zur spaltung von formamid zu blausaeure und wasser |
| US4847062A (en) * | 1987-09-24 | 1989-07-11 | E. I. Du Pont De Nemours And Company | Process for production of sodium cyanide |
| DE10138553A1 (de) * | 2001-08-06 | 2003-05-28 | Basf Ag | Blausäure aus Formamid |
| DE10256578A1 (de) * | 2002-12-04 | 2004-06-17 | Basf Ag | Blausäure aus Formamid |
| CA2600552A1 (en) * | 2005-03-11 | 2006-09-21 | Nevada Chemicals, Inc. | Producing calcium cyanide at a mine site using easily transportable starting materials |
-
2005
- 2005-06-07 DE DE102005026326A patent/DE102005026326A1/de not_active Withdrawn
-
2006
- 2006-05-31 CA CA002610981A patent/CA2610981A1/en not_active Abandoned
- 2006-05-31 WO PCT/EP2006/062751 patent/WO2006131467A2/de active Application Filing
- 2006-05-31 NZ NZ563912A patent/NZ563912A/en unknown
- 2006-05-31 AU AU2006256840A patent/AU2006256840A1/en not_active Abandoned
- 2006-05-31 EP EP06763395A patent/EP1890966A2/de not_active Withdrawn
- 2006-05-31 BR BRPI0611057-6A patent/BRPI0611057A2/pt not_active IP Right Cessation
- 2006-05-31 RU RU2007148740/15A patent/RU2384526C2/ru not_active IP Right Cessation
- 2006-05-31 MX MX2007015207A patent/MX2007015207A/es unknown
- 2006-05-31 AP AP2007004270A patent/AP2007004270A0/xx unknown
- 2006-05-31 CN CNA2006800248053A patent/CN101218177A/zh active Pending
- 2006-05-31 US US11/916,915 patent/US20080203355A1/en not_active Abandoned
- 2006-06-02 AR ARP060102309A patent/AR057345A1/es active IP Right Grant
- 2006-06-05 PE PE2006000614A patent/PE20070058A1/es not_active Application Discontinuation
-
2008
- 2008-01-04 ZA ZA200800091A patent/ZA200800091B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AR057345A1 (es) | 2007-11-28 |
| EP1890966A2 (de) | 2008-02-27 |
| RU2007148740A (ru) | 2009-07-20 |
| CN101218177A (zh) | 2008-07-09 |
| AP2007004270A0 (en) | 2007-12-31 |
| BRPI0611057A2 (pt) | 2011-02-22 |
| WO2006131467A3 (de) | 2007-04-19 |
| WO2006131467A2 (de) | 2006-12-14 |
| DE102005026326A1 (de) | 2006-12-14 |
| NZ563912A (en) | 2009-12-24 |
| AU2006256840A1 (en) | 2006-12-14 |
| MX2007015207A (es) | 2008-02-22 |
| RU2384526C2 (ru) | 2010-03-20 |
| ZA200800091B (en) | 2009-08-26 |
| CA2610981A1 (en) | 2006-12-14 |
| US20080203355A1 (en) | 2008-08-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FC | Refusal |