AR057345A1 - Proceso para preparar sales de acido cianhidrico - Google Patents
Proceso para preparar sales de acido cianhidricoInfo
- Publication number
- AR057345A1 AR057345A1 ARP060102309A ARP060102309A AR057345A1 AR 057345 A1 AR057345 A1 AR 057345A1 AR P060102309 A ARP060102309 A AR P060102309A AR P060102309 A ARP060102309 A AR P060102309A AR 057345 A1 AR057345 A1 AR 057345A1
- Authority
- AR
- Argentina
- Prior art keywords
- cianhydric
- prepare
- acid salts
- crude gas
- formamide
- 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
Un proceso para preparar una solucion de sales de cianuro, que comprende las etapas de: a) preparar un gas crudo que comprende ácido cianhídrico por deshidratacion de formamida hasta una conversion de la formamida de mayor o igual 97%; b) de ser apropiado, cepillar con ácido el gas crudo obtenido en la etapa a); c) posteriormente hacer reaccionar el gas crudo obtenido en la etapa a) o, de ser apropiado, en la etapa b) con una solucion acuosa de un hidroxido, M(OH)x, donde M está seleccionado de oxidacion de M y es 1 o 2.
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 |
---|---|
AR057345A1 true AR057345A1 (es) | 2007-11-28 |
Family
ID=37024043
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP060102309A AR057345A1 (es) | 2005-06-07 | 2006-06-02 | 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 |
---|---|---|---|---|
EP1984532B1 (de) | 2006-02-03 | 2010-05-12 | Basf Se | Bereitstellung von metallcyanid enthaltenden wässrigen lösungen für die cyanidlaugerei zur gold- und silbergewinnung |
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 |
US20080203809A1 (en) * | 2005-03-11 | 2008-08-28 | 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 BR BRPI0611057-6A patent/BRPI0611057A2/pt not_active IP Right Cessation
- 2006-05-31 CA CA002610981A patent/CA2610981A1/en not_active Abandoned
- 2006-05-31 RU RU2007148740/15A patent/RU2384526C2/ru not_active IP Right Cessation
- 2006-05-31 AU AU2006256840A patent/AU2006256840A1/en not_active Abandoned
- 2006-05-31 CN CNA2006800248053A patent/CN101218177A/zh active Pending
- 2006-05-31 AP AP2007004270A patent/AP2007004270A0/xx unknown
- 2006-05-31 MX MX2007015207A patent/MX2007015207A/es unknown
- 2006-05-31 EP EP06763395A patent/EP1890966A2/de not_active Withdrawn
- 2006-05-31 US US11/916,915 patent/US20080203355A1/en not_active Abandoned
- 2006-05-31 NZ NZ563912A patent/NZ563912A/en unknown
- 2006-05-31 WO PCT/EP2006/062751 patent/WO2006131467A2/de active Application Filing
- 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 |
---|---|
US20080203355A1 (en) | 2008-08-28 |
WO2006131467A3 (de) | 2007-04-19 |
RU2384526C2 (ru) | 2010-03-20 |
EP1890966A2 (de) | 2008-02-27 |
RU2007148740A (ru) | 2009-07-20 |
NZ563912A (en) | 2009-12-24 |
BRPI0611057A2 (pt) | 2011-02-22 |
MX2007015207A (es) | 2008-02-22 |
CA2610981A1 (en) | 2006-12-14 |
CN101218177A (zh) | 2008-07-09 |
AP2007004270A0 (en) | 2007-12-31 |
DE102005026326A1 (de) | 2006-12-14 |
WO2006131467A2 (de) | 2006-12-14 |
PE20070058A1 (es) | 2007-02-04 |
ZA200800091B (en) | 2009-08-26 |
AU2006256840A1 (en) | 2006-12-14 |
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Legal Events
Date | Code | Title | Description |
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FG | Grant, registration |