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

Processo para a preparacao de cianeto de sodio

Info

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
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.)
Filing date
Publication date
Application filed by Du Pont filed Critical Du Pont
Publication of PT88584A publication Critical patent/PT88584A/pt

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01DCOMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D1/00Oxides or hydroxides of sodium, potassium or alkali metals in general
    • C01D1/04Hydroxides
    • C01D1/26Preparation from or via cyano compounds, e.g. cyanides, cyanamides
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01CAMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C3/00Cyanogen; Compounds thereof
    • C01C3/08Simple or complex cyanides of metals
    • C01C3/10Simple alkali metal cyanides
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/51Particles with a specific particle size distribution
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/60Particles characterised by their size
    • C01P2004/61Micrometer 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
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)

* 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

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