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NO881690L - Fremgangsmaate for fremstilling av metaller eller ferrolegeringer ved direkte reduksjon samt kolonne for behandling av finkornede materialer med gass. - Google Patents

Fremgangsmaate for fremstilling av metaller eller ferrolegeringer ved direkte reduksjon samt kolonne for behandling av finkornede materialer med gass.

Info

Publication number
NO881690L
NO881690L NO88881690A NO881690A NO881690L NO 881690 L NO881690 L NO 881690L NO 88881690 A NO88881690 A NO 88881690A NO 881690 A NO881690 A NO 881690A NO 881690 L NO881690 L NO 881690L
Authority
NO
Norway
Prior art keywords
corned
procedural
alloys
metals
fine
Prior art date
Application number
NO88881690A
Other languages
English (en)
Other versions
NO881690D0 (no
NO164608B (no
NO164608C (no
Inventor
Toralv Baasen
Robin Ephithite
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
Priority to NO881690A priority Critical patent/NO164608C/no
Publication of NO881690D0 publication Critical patent/NO881690D0/no
Priority to US07/339,687 priority patent/US4975116A/en
Priority to GR890100258A priority patent/GR890100258A/el
Priority to AR89313706A priority patent/AR241805A1/es
Priority to CN89103566A priority patent/CN1015113B/zh
Priority to ZW51/89A priority patent/ZW5189A1/xx
Priority to AU33224/89A priority patent/AU615535B2/en
Priority to BR898901888A priority patent/BR8901888A/pt
Priority to ZM20/89A priority patent/ZM2089A1/xx
Publication of NO881690L publication Critical patent/NO881690L/no
Publication of NO164608B publication Critical patent/NO164608B/no
Priority to US07/556,265 priority patent/US5092564A/en
Publication of NO164608C publication Critical patent/NO164608C/no

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00—Obtaining refractory metals
    • C22B34/30—Obtaining chromium, molybdenum or tungsten
    • C22B34/32—Obtaining chromium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C22B5/12—Dry 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)
NO881690A 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. NO164608C (no)

Priority Applications (10)

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.
US07/339,687 US4975116A (en) 1988-04-20 1989-04-18 Method for production of metals of ferroalloys by direct reduction
GR890100258A GR890100258A (el) 1988-04-20 1989-04-18 Μεθοδος παραγωγης μεταλλων η κραματων σιδηρου με απευθειας αναγωγη και στηλη για επεξεργασια υλικων υπο μορφην σωματιδιων με αεριον.
AR89313706A AR241805A1 (es) 1988-04-20 1989-04-19 Un metodo para la produccion de metales o aleaciones ferrosas por reduccion directa y una columna para tratar materiales en particulas por medio de un gas.
ZM20/89A ZM2089A1 (en) 1988-04-20 1989-04-20 Method for the production of metals,particulary ferroalloys by direct reduction and column for treating particulate materials with gas
CN89103566A CN1015113B (zh) 1988-04-20 1989-04-20 直接还原制备生铁或铁合金的方法及实施此方法的预还原塔
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
AU33224/89A AU615535B2 (en) 1988-04-20 1989-04-20 Method for the production of metals, particularly ferroalloys, by direct reduction and a column for treating particulate materials with gas
BR898901888A BR8901888A (pt) 1988-04-20 1989-04-20 Processo para a producao de metais e/ou ferro ligas e coluna para o tratamento de material solido particulado em escoamento co-corrente com um gas
US07/556,265 US5092564A (en) 1988-04-20 1990-07-20 Column for treating particulate materials with a gas

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 (4)

Publication Number Publication Date
NO881690D0 NO881690D0 (no) 1988-04-20
NO881690L true NO881690L (no) 1989-10-23
NO164608B NO164608B (no) 1990-07-16
NO164608C NO164608C (no) 1990-10-24

Family

ID=19890828

Family Applications (1)

Application Number Title Priority Date Filing Date
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.

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.
DE69032041T2 (de) * 1989-06-02 1998-10-01 CRA Services Ltd., Melbourne, Victoria 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
ZW5189A1 (en) 1990-02-28
AU3322489A (en) 1989-10-26
US4975116A (en) 1990-12-04
AU615535B2 (en) 1991-10-03
AR241805A1 (es) 1992-12-30
US5092564A (en) 1992-03-03
NO881690D0 (no) 1988-04-20
NO164608B (no) 1990-07-16
NO164608C (no) 1990-10-24
CN1038671A (zh) 1990-01-10
CN1015113B (zh) 1991-12-18
GR890100258A (el) 1991-12-30
ZM2089A1 (en) 1989-11-27
BR8901888A (pt) 1989-11-28

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