PT88584A - Processo para a preparacao de cianeto de sodio - Google Patents
Processo para a preparacao de cianeto de sodioInfo
- Publication number
- PT88584A PT88584A PT88584A PT8858488A PT88584A PT 88584 A PT88584 A PT 88584A PT 88584 A PT88584 A PT 88584A PT 8858488 A PT8858488 A PT 8858488A PT 88584 A PT88584 A PT 88584A
- Authority
- PT
- Portugal
- Prior art keywords
- preparation
- sodium cyanide
- cyanide
- sodium
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
- C01D1/04—Hydroxides
- C01D1/26—Preparation from or via cyano compounds, e.g. cyanides, cyanamides
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/51—Particles with a specific particle size distribution
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/100,731 US4847062A (en) | 1987-09-24 | 1987-09-24 | Process for production of sodium cyanide |
Publications (1)
Publication Number | Publication Date |
---|---|
PT88584A true PT88584A (pt) | 1989-07-31 |
Family
ID=22281243
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT88584A PT88584A (pt) | 1987-09-24 | 1988-09-23 | Processo para a preparacao de cianeto de sodio |
Country Status (9)
Country | Link |
---|---|
US (1) | US4847062A (pt) |
EP (1) | EP0309126A1 (pt) |
KR (1) | KR890004986A (pt) |
CN (1) | CN1017237B (pt) |
AU (1) | AU605911B2 (pt) |
BR (1) | BR8804899A (pt) |
NZ (1) | NZ226308A (pt) |
PT (1) | PT88584A (pt) |
ZA (1) | ZA887099B (pt) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2036441B1 (es) * | 1991-05-16 | 1994-04-01 | Aragonesas Ind Y En S A | Procedimiento para obtener cianuro sodico cirstalizado, exento de hidroxido sodico o con contenidos regulables del mismo. |
US5364605A (en) * | 1991-06-05 | 1994-11-15 | Fmc Corporation | Recovery of cyanide from precious metal tailings |
DE4240576C2 (de) * | 1992-12-04 | 1996-04-18 | Degussa | Alkalicyanid-Granulate und Verfahren zu ihrer Herstellung |
US5882618A (en) * | 1997-04-28 | 1999-03-16 | Air Liquide America Corporation | Process for cyanic acid production |
US6162263A (en) * | 1998-08-04 | 2000-12-19 | Mining Services International | Method for producing and shipping metal cyanide salts |
WO2000020333A1 (en) * | 1998-10-08 | 2000-04-13 | L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Improved process for cyanic acid production |
US6183710B1 (en) | 1999-04-08 | 2001-02-06 | E. I Du Pont De Nemours And Company | Sodium cyanide paste composition |
US6669837B1 (en) * | 2002-12-17 | 2003-12-30 | Sunbelt Chlor Alkali Partnership | Alkali metal hydroxide evaporator system |
US6896863B2 (en) * | 2003-04-01 | 2005-05-24 | E. I. Du Pont De Nemours And Company | Sodium cyanide process |
KR100645598B1 (ko) | 2004-11-10 | 2006-11-15 | 동서석유화학주식회사 | 고순도 시안화나트륨의 제조방법 |
DE102005026326A1 (de) * | 2005-06-07 | 2006-12-14 | Basf Ag | Verfahren zur Herstellung von Salzen der Blausäure |
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 |
CN102502708B (zh) * | 2011-10-21 | 2013-11-13 | 重庆紫光天化蛋氨酸有限责任公司 | 一种高纯度、高收率的碱金属或碱土金属氰化物的制备方法 |
CN103086401B (zh) * | 2013-02-07 | 2014-09-10 | 无锡贝塔医药科技有限公司 | 一种碳同位素标记碱金属氰化物的合成方法 |
DE102014207848B4 (de) * | 2014-04-25 | 2015-12-24 | Siemens Aktiengesellschaft | Aufbereitungseinheit und Verfahren zur Aufbereitung für ein mit Schwefeloxiden und/oder Stickoxiden verunreinigtes Waschmedium sowie eine Abscheidevorrichtung |
DE102015211231A1 (de) * | 2015-06-18 | 2016-12-22 | Epc Engineering Consulting Gmbh | Weiterentwickelte Anlage zur Herstellung von Natriumcyanid |
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 |
CN109646974A (zh) * | 2017-10-10 | 2019-04-19 | 中国石油化工股份有限公司 | 一种生产***的蒸发结晶装置和方法 |
EP4182268A1 (en) * | 2020-07-14 | 2023-05-24 | Cyanco Corporation | Improved alkali metal cyanide production |
CN113044857B (zh) * | 2020-12-30 | 2023-05-23 | 重庆柒兴克米科技有限公司 | 高收率制取高纯***或***的生产工艺 |
WO2023237537A1 (de) | 2022-06-10 | 2023-12-14 | Cyplus Gmbh | Anlage und verfahren zum herstellen eines alkalimetallhydroxid enthaltenden alkalimetallcyanid-feststoffproduktes |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA537744A (en) * | 1957-03-05 | E.I. Du Pont De Nemours And Company | Manufacture of sodium cyanide | |
US1531123A (en) * | 1924-03-05 | 1925-03-24 | Basf Ag | Manufacture of alkali-metal cyanide |
US2616782A (en) * | 1950-08-16 | 1952-11-04 | Freeport Sulphur Co | Production of sodium cyanide |
US2726139A (en) * | 1953-05-25 | 1955-12-06 | Monsanto Chemicals | Production of anhydrous sodium cyanide |
US2708151A (en) * | 1953-06-18 | 1955-05-10 | Monsanto Chemicals | Production of alkali metal cyanides |
US2993754A (en) * | 1958-01-02 | 1961-07-25 | Du Pont | Process for producing alkali metal cyanide |
NL133600C (pt) * | 1963-03-30 | |||
DE1592328A1 (de) * | 1967-04-22 | 1970-12-10 | Degussa | Verfahren und Vorrichtung zur Herstellung von Alkalicyanid |
BE793869Q (fr) * | 1967-10-27 | 1973-05-02 | Degussa | Procede de production de cyanures alcalins |
US4083935A (en) * | 1976-08-09 | 1978-04-11 | E. I. Du Pont De Nemours And Company | Sodium cyanide crystallization process control |
-
1987
- 1987-09-24 US US07/100,731 patent/US4847062A/en not_active Expired - Fee Related
-
1988
- 1988-09-09 EP EP88308351A patent/EP0309126A1/en not_active Withdrawn
- 1988-09-22 BR BR8804899A patent/BR8804899A/pt not_active Application Discontinuation
- 1988-09-22 NZ NZ226308A patent/NZ226308A/en unknown
- 1988-09-22 ZA ZA887099A patent/ZA887099B/xx unknown
- 1988-09-23 PT PT88584A patent/PT88584A/pt not_active Application Discontinuation
- 1988-09-23 KR KR1019880012309A patent/KR890004986A/ko not_active Application Discontinuation
- 1988-09-23 AU AU22711/88A patent/AU605911B2/en not_active Ceased
- 1988-09-24 CN CN88106890A patent/CN1017237B/zh not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BR8804899A (pt) | 1989-05-02 |
KR890004986A (ko) | 1989-05-11 |
ZA887099B (en) | 1990-05-30 |
CN1017237B (zh) | 1992-07-01 |
EP0309126A1 (en) | 1989-03-29 |
AU605911B2 (en) | 1991-01-24 |
NZ226308A (en) | 1990-01-29 |
CN1032148A (zh) | 1989-04-05 |
US4847062A (en) | 1989-07-11 |
AU2271188A (en) | 1989-04-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FC3A | Refusal |
Effective date: 19930107 |