[go: up one dir, main page]

BR8804899A - Processo para a producao de cristais de cianeto de sodio anidricos - Google Patents

Processo para a producao de cristais de cianeto de sodio anidricos

Info

Publication number
BR8804899A
BR8804899A BR8804899A BR8804899A BR8804899A BR 8804899 A BR8804899 A BR 8804899A BR 8804899 A BR8804899 A BR 8804899A BR 8804899 A BR8804899 A BR 8804899A BR 8804899 A BR8804899 A BR 8804899A
Authority
BR
Brazil
Prior art keywords
production
anhydrous sodium
sodium cyanide
cyanide crystals
crystals
Prior art date
Application number
BR8804899A
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.)
Filing date
Publication date
Application filed by Du Pont filed Critical Du Pont
Publication of BR8804899A publication Critical patent/BR8804899A/pt

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)
BR8804899A 1987-09-24 1988-09-22 Processo para a producao de cristais de cianeto de sodio anidricos BR8804899A (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
BR8804899A true BR8804899A (pt) 1989-05-02

Family

ID=22281243

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8804899A BR8804899A (pt) 1987-09-24 1988-09-22 Processo para a producao de cristais de cianeto de sodio anidricos

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4644325A1 (de) * 2024-04-29 2025-11-05 EPC Engineering & Technologies GmbH Effizientes verfahren zum feuchtbrikettieren von natriumcyanid

Families Citing this family (23)

* 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
DE19704180C1 (de) * 1997-02-05 1998-08-20 Degussa Verfahren zur Herstellung von Alkalicyanid- und Erdalkalicyanid-Granulaten und hierbei erhältliche Alkalicyanid-Granulate hoher Reinheit
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
ATE222567T1 (de) * 1998-10-08 2002-09-15 Air Liquide 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
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 一种生产氰化钠的蒸发结晶装置和方法
EP4182268A4 (en) * 2020-07-14 2024-08-07 Cyanco Corporation IMPROVED PRODUCTION OF ALKALI METAL CYANIDE
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
GEP20257814B (en) 2022-06-10 2025-11-10 Cyplus Gmbh Plant and process for producing a solid-state alkali metal cyanide product containing alkali metal hydroxide

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4644325A1 (de) * 2024-04-29 2025-11-05 EPC Engineering & Technologies GmbH Effizientes verfahren zum feuchtbrikettieren von natriumcyanid
WO2025228598A1 (de) * 2024-04-29 2025-11-06 EPC Engineering & Technologies GmbH Effizientes verfahren zum feuchtbrikettieren von alkalimetallcyanid, insbesondere natriumcyanid

Also Published As

Publication number Publication date
KR890004986A (ko) 1989-05-11
CN1032148A (zh) 1989-04-05
EP0309126A1 (en) 1989-03-29
ZA887099B (en) 1990-05-30
AU2271188A (en) 1989-04-06
US4847062A (en) 1989-07-11
AU605911B2 (en) 1991-01-24
PT88584A (pt) 1989-07-31
NZ226308A (en) 1990-01-29
CN1017237B (zh) 1992-07-01

Similar Documents

Publication Publication Date Title
BR8804899A (pt) Processo para a producao de cristais de cianeto de sodio anidricos
BR8700757A (pt) Processo para a producao de cloro
PT80440B (pt) Processo para a preparacao de silicatos de sodio cristalinos
PT89264A (pt) Processo para a preparacao de compostos azabiciclicos
BR9005487A (pt) Processo para producao de compostos de carbonila ativa
BR8504270A (pt) Processo para a producao de cloreto de potassio
PT84570B (pt) Processo para a preparacao de clorato de sodio
BR8906363A (pt) Processo para producao de tricloromonosilano
BR8403395A (pt) Processo para a producao de benzotiazolil sulfenamidas
BR8707412A (pt) Processo para a producao de ester correspondente
BR8806354A (pt) Processo para a metilacao de um composto
PT89142A (pt) Processo para a preparacao de cristais de cefem
BR8703822A (pt) Processo para a producao de tribromo-estireno cristalino
PT89039A (pt) Processo para a preparacao de l-ramnose
PT87265A (pt) Processo para a producao de proinsulina humana cristalina
BR8803678A (pt) Processo para a preparacao de polieteramidas
BR8803519A (pt) Processo para a producao de cloreto de magnesio
BR9105109A (pt) Processo para a producao de tuberculos
BR8900945A (pt) Processo para a producao de cloro
PT90353A (pt) Processo para a producao de polipeptideos
BR9103042A (pt) Processo para a producao de um composto
BR8706958A (pt) Processo para a producao de compostos de dialquil zinco
BR8704513A (pt) Processo para a producao de acido trimetilico
BR9002408A (pt) Processo para a producao de poliarilatos
BR8904840A (pt) Processo para producao de n-fosfonometilglicina

Legal Events

Date Code Title Description
FA2 Application deemed withdrawn (art. 19(5))