ZW5189A1 - Method for the production of metals,particullarly ferroalloys,by direct reduction and a column for treating particulate materials with gas - Google Patents

Method for the production of metals,particullarly ferroalloys,by direct reduction and a column for treating particulate materials with gas

Info

Publication number
ZW5189A1
ZW5189A1 ZW51/89A ZW5189A ZW5189A1 ZW 5189 A1 ZW5189 A1 ZW 5189A1 ZW 51/89 A ZW51/89 A ZW 51/89A ZW 5189 A ZW5189 A ZW 5189A ZW 5189 A1 ZW5189 A1 ZW 5189A1
Authority
ZW
Zimbabwe
Prior art keywords
particullarly
ferroalloys
metals
column
gas
Prior art date
Application number
ZW51/89A
Other languages
English (en)
Inventor
Basen Toralv
Ephithite Robin
Original Assignee
Elkem Technology
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 Elkem Technology filed Critical Elkem Technology
Publication of ZW5189A1 publication Critical patent/ZW5189A1/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00Obtaining refractory metals
    • C22B34/30Obtaining chromium, molybdenum or tungsten
    • C22B34/32Obtaining chromium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B5/00General methods of reducing to metals
    • C22B5/02Dry methods smelting of sulfides or formation of mattes
    • C22B5/12Dry methods smelting of sulfides or formation of mattes by gases

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Powder Metallurgy (AREA)
ZW51/89A 1988-04-20 1989-04-20 Method for the production of metals,particullarly ferroalloys,by direct reduction and a column for treating particulate materials with gas ZW5189A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO881690A NO164608C (no) 1988-04-20 1988-04-20 Fremgangsmaate for fremstilling av metaller eller ferrolegeringer ved direkte reduksjon samt kolonne for behandling av finkornede materialer med gass.

Publications (1)

Publication Number Publication Date
ZW5189A1 true ZW5189A1 (en) 1990-02-28

Family

ID=19890828

Family Applications (1)

Application Number Title Priority Date Filing Date
ZW51/89A ZW5189A1 (en) 1988-04-20 1989-04-20 Method for the production of metals,particullarly ferroalloys,by direct reduction and a column for treating particulate materials with gas

Country Status (9)

Country Link
US (2) US4975116A (no)
CN (1) CN1015113B (no)
AR (1) AR241805A1 (no)
AU (1) AU615535B2 (no)
BR (1) BR8901888A (no)
GR (1) GR890100258A (no)
NO (1) NO164608C (no)
ZM (1) ZM2089A1 (no)
ZW (1) ZW5189A1 (no)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO164608C (no) * 1988-04-20 1990-10-24 Elkem Technology Fremgangsmaate for fremstilling av metaller eller ferrolegeringer ved direkte reduksjon samt kolonne for behandling av finkornede materialer med gass.
ATE163202T1 (de) * 1989-06-02 1998-02-15 Cra Services Vorwärmen und vorreduzieren von metalloxiderzen unter verwendung von abgasen hoher temperatur
AT405942B (de) * 1995-03-17 1999-12-27 Voest Alpine Ind Anlagen Verfahren zur reduktion von feinerz sowie anlage zur durchführung des verfahrens
US20030121365A1 (en) * 2001-11-20 2003-07-03 Bruce Dover Method of producing fine tungsten powder from tungsten oxides
DOP2006000048A (es) * 2005-02-24 2006-08-31 Bhp Billiton Ssm Dev Pty Ltd Production of ferronickel (producción de ferroniquel)
CN101638730B (zh) * 2008-07-31 2015-03-25 塔塔钢铁有限公司 用于从冶金级铬铁矿精矿细粉生产海绵铬的方法
CN101413053B (zh) * 2008-12-09 2010-06-09 中南大学 一种用于强化红土镍矿还原分选的添加剂
CN105143412B (zh) 2013-03-20 2017-03-08 英派尔科技开发有限公司 通过播种牺牲金属的超临界水气化的腐蚀减轻
CN112063860B (zh) * 2020-08-31 2022-08-05 中国科学院过程工程研究所 一种从含铬物料中提取铬的方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2384971A (en) * 1943-12-15 1945-09-18 John E Silvasy Apparatus for producing metal powder
US3348941A (en) * 1964-09-15 1967-10-24 Northern Natural Gas Co Pressure balancing method
US3923498A (en) * 1972-12-26 1975-12-02 Hydrocarbon Research Inc Process for the reduction of titaniferous ores
US4060375A (en) * 1974-05-13 1977-11-29 Polysius Ag Methods and apparatus for the heat treatment of fine-grained materials
SE388363B (sv) * 1975-01-24 1976-10-04 Stora Kopparbergs Bergslags Ab Sett for genomforande av endoterma reduktionsprocesser i cirkulerande flytbedd och anordning herfor
BR8006070A (pt) * 1979-09-26 1981-04-07 Charbonnages De France Processo de tratamento por secagem e/ou aquecimento de material combustivel granulado e/ou pulverulento e instalacao para a execucao do processo
US4527973A (en) * 1982-12-23 1985-07-09 Ube Industries, Ltd. Precalciner for cement raw meal
NO164608C (no) * 1988-04-20 1990-10-24 Elkem Technology Fremgangsmaate for fremstilling av metaller eller ferrolegeringer ved direkte reduksjon samt kolonne for behandling av finkornede materialer med gass.

Also Published As

Publication number Publication date
CN1038671A (zh) 1990-01-10
CN1015113B (zh) 1991-12-18
US5092564A (en) 1992-03-03
NO881690D0 (no) 1988-04-20
NO164608B (no) 1990-07-16
ZM2089A1 (en) 1989-11-27
NO164608C (no) 1990-10-24
AR241805A1 (es) 1992-12-30
AU3322489A (en) 1989-10-26
AU615535B2 (en) 1991-10-03
GR890100258A (el) 1991-12-30
BR8901888A (pt) 1989-11-28
NO881690L (no) 1989-10-23
US4975116A (en) 1990-12-04

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