IT8221977A0 - Procedimento per la produzione di metalli ad elevata purezza. - Google Patents

Procedimento per la produzione di metalli ad elevata purezza.

Info

Publication number
IT8221977A0
IT8221977A0 IT8221977A IT2197782A IT8221977A0 IT 8221977 A0 IT8221977 A0 IT 8221977A0 IT 8221977 A IT8221977 A IT 8221977A IT 2197782 A IT2197782 A IT 2197782A IT 8221977 A0 IT8221977 A0 IT 8221977A0
Authority
IT
Italy
Prior art keywords
procedure
production
high purity
purity metals
metals
Prior art date
Application number
IT8221977A
Other languages
English (en)
Other versions
IT1152985B (it
Inventor
Gianluigi D Altilia
Francesco Rinaldi
Original Assignee
Samim Soc Azionaria Minero Met
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 Samim Soc Azionaria Minero Met filed Critical Samim Soc Azionaria Minero Met
Priority to IT21977/82A priority Critical patent/IT1152985B/it
Publication of IT8221977A0 publication Critical patent/IT8221977A0/it
Priority to EP83200888A priority patent/EP0103312A3/en
Priority to US06/506,492 priority patent/US4477277A/en
Priority to ES523706A priority patent/ES8501005A1/es
Application granted granted Critical
Publication of IT1152985B publication Critical patent/IT1152985B/it

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
    • C22B34/20—Obtaining niobium, tantalum or vanadium
    • C22B34/24—Obtaining niobium or tantalum
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/02—Silicon
    • C01B33/021—Preparation
    • C01B33/027—Preparation by decomposition or reduction of gaseous or vaporised silicon compounds other than silica or silica-containing material
    • C01B33/033—Preparation by decomposition or reduction of gaseous or vaporised silicon compounds other than silica or silica-containing material by reduction of silicon halides or halosilanes with a metal or a metallic alloy as the only reducing agents
    • 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
    • C22B23/00—Obtaining nickel or cobalt
    • C22B23/02—Obtaining nickel or cobalt by dry processes
    • 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
    • C22B23/00—Obtaining nickel or cobalt
    • C22B23/02—Obtaining nickel or cobalt by dry processes
    • C22B23/021—Obtaining nickel or cobalt by dry processes by reduction in solid state, e.g. by segregation processes
    • 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
    • C22B34/10—Obtaining titanium, zirconium or hafnium
    • C22B34/12—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08
    • C22B34/1263—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining metallic titanium from titanium compounds, e.g. by reduction
    • C22B34/1268—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining metallic titanium from titanium compounds, e.g. by reduction using alkali or alkaline-earth metals or amalgams
    • C22B34/1272—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining metallic titanium from titanium compounds, e.g. by reduction using alkali or alkaline-earth metals or amalgams reduction of titanium halides, e.g. Kroll process
    • 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
    • C22B34/10—Obtaining titanium, zirconium or hafnium
    • C22B34/14—Obtaining zirconium or hafnium
    • 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
    • C22B34/34—Obtaining molybdenum
    • 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
    • C22B34/36—Obtaining tungsten
    • 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
    • C22B5/04—Dry methods smelting of sulfides or formation of mattes by aluminium, other metals or silicon
    • 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
    • C22B5/14—Dry methods smelting of sulfides or formation of mattes by gases fluidised material
    • 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
    • C22B5/18—Reducing step-by-step

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Silicon Compounds (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
IT21977/82A 1982-06-22 1982-06-22 Procedimento per la produzione di metalli ad elevata purezza IT1152985B (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT21977/82A IT1152985B (it) 1982-06-22 1982-06-22 Procedimento per la produzione di metalli ad elevata purezza
EP83200888A EP0103312A3 (en) 1982-06-22 1983-06-17 Process for producing high-purity metals
US06/506,492 US4477277A (en) 1982-06-22 1983-06-21 Process for producing high-purity metals
ES523706A ES8501005A1 (es) 1982-06-22 1983-06-21 Procedimiento para la produccion de metales de elevada pureza.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT21977/82A IT1152985B (it) 1982-06-22 1982-06-22 Procedimento per la produzione di metalli ad elevata purezza

Publications (2)

Publication Number Publication Date
IT8221977A0 true IT8221977A0 (it) 1982-06-22
IT1152985B IT1152985B (it) 1987-01-14

Family

ID=11189660

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21977/82A IT1152985B (it) 1982-06-22 1982-06-22 Procedimento per la produzione di metalli ad elevata purezza

Country Status (4)

Country Link
US (1) US4477277A (it)
EP (1) EP0103312A3 (it)
ES (1) ES8501005A1 (it)
IT (1) IT1152985B (it)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4595413A (en) * 1982-11-08 1986-06-17 Occidental Research Corporation Group IVb transition metal based metal and processes for the production thereof
US4655825A (en) * 1982-11-08 1987-04-07 Occidental Research Corporation Metal powder and sponge and processes for the production thereof
US4525206A (en) * 1983-12-20 1985-06-25 Exxon Research & Engineering Co. Reduction process for forming powdered alloys from mixed metal iron oxides
US4602947A (en) * 1984-11-01 1986-07-29 Alti Corporation Process for producing titanium metal and titanium metal alloys
WO1988000869A1 (en) * 1984-11-01 1988-02-11 Alti Corporation Process for producing titanium metal and titanium metal alloys
EP0309479A4 (en) * 1986-06-16 1989-05-11 Occidental Res Corp METAL POWDER AND SPONGE AND PROCESSES FOR PRODUCING THE SAME.
US5212400A (en) * 1988-02-18 1993-05-18 International Business Machines Corporation Method of depositing tungsten on silicon in a non-self-limiting CVD process and semiconductor device manufactured thereby
US5071788A (en) * 1988-02-18 1991-12-10 International Business Machines Corporation Method for depositing tungsten on silicon in a non-self-limiting CVD process and semiconductor device manufactured thereby
US4998152A (en) * 1988-03-22 1991-03-05 International Business Machines Corporation Thin film transistor
US7442227B2 (en) 2001-10-09 2008-10-28 Washington Unniversity Tightly agglomerated non-oxide particles and method for producing the same
DE10231777A1 (de) * 2002-07-13 2004-02-05 Diehl Munitionssysteme Gmbh & Co. Kg Verfahren zur Herstellung eines Wolfram-Basismaterials und Verwendung desselben
US6955703B2 (en) * 2002-12-26 2005-10-18 Millennium Inorganic Chemicals, Inc. Process for the production of elemental material and alloys
EP1855993B1 (de) * 2005-03-05 2010-11-24 JSSi GmbH Reaktor und verfahren zur herstellung von silizium
US20140341795A1 (en) * 2010-10-02 2014-11-20 Silichem Llc Fluorspar/Iodide Process for Reduction, Purification, and Crystallization of Silicon
US20120082610A1 (en) * 2010-10-02 2012-04-05 Channon Matthew J Fluorspar/Iodide process for reduction,purificatioin, and crystallization of silicon
WO2016138001A1 (en) * 2015-02-23 2016-09-01 Nanoscale Powders LLC Methods for producing metal powders
CN105458284B (zh) * 2015-11-27 2018-01-02 王娜 一种熔盐中金属热还原合成纳米硬质合金粉末的方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2773745A (en) * 1954-07-20 1956-12-11 Du Pont Process for the production of pure silicon in a coarse crystalline form
US2883269A (en) * 1955-09-22 1959-04-21 Du Pont Production of elemental silicon
US2956862A (en) * 1956-06-01 1960-10-18 Nat Distillers Chem Corp Process for reduction of chemical compounds
US2909411A (en) * 1957-01-15 1959-10-20 Du Pont Production of silicon
US3041145A (en) * 1957-07-15 1962-06-26 Robert S Aries Production of pure silicon
GB871831A (en) * 1958-01-14 1961-07-05 Du Pont Improvements in or relating to the production of elemental silicon
US3012862A (en) * 1960-08-16 1961-12-12 Du Pont Silicon production
US4102765A (en) * 1977-01-06 1978-07-25 Westinghouse Electric Corp. Arc heater production of silicon involving alkali or alkaline-earth metals

Also Published As

Publication number Publication date
EP0103312A2 (en) 1984-03-21
IT1152985B (it) 1987-01-14
US4477277A (en) 1984-10-16
EP0103312A3 (en) 1986-01-22
ES523706A0 (es) 1984-11-01
ES8501005A1 (es) 1984-11-01

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