PT88584A - Processo para a preparacao de cianeto de sodio - Google Patents

Processo para a preparacao de cianeto de sodio

Info

Publication number: PT88584A
Authority: PT; Portugal
Prior art keywords: preparation; sodium cyanide; cyanide; sodium
Prior art date: 1987-09-24

Application number

PT88584A

Other languages

English (en)

Inventor

Janet Marie Rogers

Harold Felton Porter

Original Assignee

Du Pont

Priority date (The priority date 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 date listed.)

1987-09-24

Filing date

1988-09-23

Publication date

1989-07-31

1988-09-23 Application filed by Du Pont filed Critical Du Pont

1989-07-31 Publication of PT88584A publication Critical patent/PT88584A/pt

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)

PT88584A 1987-09-24 1988-09-23 Processo para a preparacao de cianeto de sodio PT88584A (pt)

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)

* Cited by examiner, † Cited by third party
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
DE69807358T2 (de) *	1998-10-08	2003-04-03	L'air Liquide, S.A. A Directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude	Verbessertes verfahren zur herstellung von blausäure
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
AP2476A (en) *	2006-02-03	2012-09-27	Basf Se	Metal cyanide comprising aqueous solutions for thecyanide process for extracting gold and silver
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	一种生产氰化钠的蒸发结晶装置和方法
WO2022015717A1 (en) *	2020-07-14	2022-01-20	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	高收率制取高纯氰化钠或氰化钾的生产工艺
WO2023237537A1 (de)	2022-06-10	2023-12-14	Cyplus Gmbh	Anlage und verfahren zum herstellen eines alkalimetallhydroxid enthaltenden alkalimetallcyanid-feststoffproduktes

Family Cites Families (10)

* Cited by examiner, † Cited by third party
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 ZA ZA887099A patent/ZA887099B/xx unknown
- 1988-09-22 BR BR8804899A patent/BR8804899A/pt not_active Application Discontinuation
- 1988-09-22 NZ NZ226308A patent/NZ226308A/en unknown
- 1988-09-23 KR KR1019880012309A patent/KR890004986A/ko not_active Application Discontinuation
- 1988-09-23 PT PT88584A patent/PT88584A/pt 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
AU605911B2 (en)	1991-01-24
NZ226308A (en)	1990-01-29
ZA887099B (en)	1990-05-30
US4847062A (en)	1989-07-11
AU2271188A (en)	1989-04-06
BR8804899A (pt)	1989-05-02
EP0309126A1 (en)	1989-03-29
KR890004986A (ko)	1989-05-11
CN1017237B (zh)	1992-07-01
CN1032148A (zh)	1989-04-05

Publication	Publication Date	Title
BR8802484A (pt)	1988-12-20	Processo para a preparacao de isocianatos
PT88584A (pt)	1989-07-31	Processo para a preparacao de cianeto de sodio
BR8801098A (pt)	1988-10-18	Processo para a preparacao de um composto de imidazola
BR8803759A (pt)	1989-03-07	Processo para a preparacao de 2,2,6,6-tetrametil-4-piperidilaminas
PT97433A (pt)	1992-02-28	Processo para a preparacao de sacarose-6-ester
PT89264A (pt)	1989-12-29	Processo para a preparacao de compostos azabiciclicos
PT92919A (pt)	1990-07-31	Processo para a preparacao de agentes ansioliticos bis-azabiciclicos
PT89075A (pt)	1988-12-01	Processo para a preparacao de diacidos diarilestiril-quinolinicos
PT84570B (pt)	1989-11-30	Processo para a preparacao de clorato de sodio
BR8801269A (pt)	1988-10-25	Processo para a preparacao de um composto de ciano-imidazol
BR8707028A (pt)	1988-08-09	Processo para a preparacao de mercaptometilfenois
PT88181A (pt)	1989-06-30	Processo para a preparacao de derivados aralquilaminoalcoxifenilo
PT89039A (pt)	1988-12-01	Processo para a preparacao de l-ramnose
BR8806354A (pt)	1989-08-22	Processo para a metilacao de um composto
BR9001503A (pt)	1991-04-16	Processo para a preparacao de alquil-halogenossilanos
BR8803678A (pt)	1989-02-14	Processo para a preparacao de polieteramidas
PT89056A (pt)	1989-11-30	Processo para a preparacao de hidroxilaminas substituidas
PT84072B (pt)	1989-07-31	Processo para a preparacao de esteroides aminoglicosidicos
PT89142A (pt)	1989-12-29	Processo para a preparacao de cristais de cefem
BR8706408A (pt)	1988-07-12	Processo para a preparacao de aldeidos
BR8806351A (pt)	1989-08-22	Processo para a preparacao de fenil-ureias
PT97828A (pt)	1992-03-31	Processo para a preparacao de fenil-triazinas
BR8904771A (pt)	1990-05-01	Processo para a preparacao de cianeto de sodio
BR8902030A (pt)	1989-12-05	Processo para a preparacao de n-fosfonometilglicina
PT89237A (pt)	1989-12-29	Processo para a preparacao de compostos beta-lactamicos

Legal Events

Date	Code	Title	Description
1993-07-30	FC3A	Refusal	Effective date: 19930107