IT960660B - Perfezionamenti nei trattamenti ad alta temperatura dei materiali ed in particolare per l estrazione di metalli da minerali ed altre sostanze e per il miglioramento di prodotti refrattari - Google Patents

Perfezionamenti nei trattamenti ad alta temperatura dei materiali ed in particolare per l estrazione di metalli da minerali ed altre sostanze e per il miglioramento di prodotti refrattari

Info

Publication number
IT960660B
IT960660B IT20642/72A IT2064272A IT960660B IT 960660 B IT960660 B IT 960660B IT 20642/72 A IT20642/72 A IT 20642/72A IT 2064272 A IT2064272 A IT 2064272A IT 960660 B IT960660 B IT 960660B
Authority
IT
Italy
Prior art keywords
minerals
metals
substances
extraction
improvement
Prior art date
Application number
IT20642/72A
Other languages
English (en)
Original Assignee
Tetronics Res & Dev Co Ltd
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 Tetronics Res & Dev Co Ltd filed Critical Tetronics Res & Dev Co Ltd
Application granted granted Critical
Publication of IT960660B publication Critical patent/IT960660B/it

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Classifications

    • 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
    • C01B33/20—Silicates
    • C01B33/36—Silicates having base-exchange properties but not having molecular sieve properties
    • C01B33/38—Layered base-exchange silicates, e.g. clays, micas or alkali metal silicates of kenyaite or magadiite type
    • C01B33/42—Micas ; Interstratified clay-mica products
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/14—Methods for preparing oxides or hydroxides in general
    • C01B13/145—After-treatment of oxides or hydroxides, e.g. pulverising, drying, decreasing the acidity
    • 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
    • C01B33/06—Metal silicides
    • 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
    • C01B33/20—Silicates
    • C01B33/26—Aluminium-containing silicates, i.e. silico-aluminates
    • 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
    • C01B33/20—Silicates
    • C01B33/36—Silicates having base-exchange properties but not having molecular sieve properties
    • C01B33/38—Layered base-exchange silicates, e.g. clays, micas or alkali metal silicates of kenyaite or magadiite type
    • C01B33/40—Clays
    • 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
    • C01B33/20—Silicates
    • C01B33/36—Silicates having base-exchange properties but not having molecular sieve properties
    • C01B33/46—Amorphous silicates, e.g. so-called "amorphous zeolites"
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B35/00—Boron; Compounds thereof
    • C01B35/02—Boron; Borides
    • C01B35/023—Boron
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B35/00—Boron; Compounds thereof
    • C01B35/02—Boron; Borides
    • C01B35/04—Metal borides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/021—After-treatment of oxides or hydroxides
    • C01F7/027—Treatment involving fusion or vaporisation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G25/00—Compounds of zirconium
    • C01G25/02—Oxides
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/12—Making spongy iron or liquid steel, by direct processes in electric furnaces
    • 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
    • C22B4/00—Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys
    • 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
    • C22B4/00—Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys
    • C22B4/005—Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys using plasma jets
    • 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
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/16—Remelting metals
    • C22B9/22—Remelting metals with heating by wave energy or particle radiation
    • C22B9/226—Remelting metals with heating by wave energy or particle radiation by electric discharge, e.g. plasma
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/32—Gas-filled discharge tubes
    • H01J37/32009—Arrangements for generation of plasma specially adapted for examination or treatment of objects, e.g. plasma sources
    • H01J37/32055—Arc discharge
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B7/00—Heating by electric discharge
    • 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
    • C01P2004/52—Particles with a specific particle size distribution highly monodisperse 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Plasma & Fusion (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Analytical Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
IT20642/72A 1971-02-16 1972-02-16 Perfezionamenti nei trattamenti ad alta temperatura dei materiali ed in particolare per l estrazione di metalli da minerali ed altre sostanze e per il miglioramento di prodotti refrattari IT960660B (it)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB478971A GB1390351A (en) 1971-02-16 1971-02-16 High temperature treatment of materials
GB479071 1971-02-16
GB3885571 1971-08-18

Publications (1)

Publication Number Publication Date
IT960660B true IT960660B (it) 1973-11-30

Family

ID=27254502

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20642/72A IT960660B (it) 1971-02-16 1972-02-16 Perfezionamenti nei trattamenti ad alta temperatura dei materiali ed in particolare per l estrazione di metalli da minerali ed altre sostanze e per il miglioramento di prodotti refrattari

Country Status (7)

Country Link
US (1) US3783167A (it)
JP (1) JPS5515838B1 (it)
CA (1) CA957733A (it)
DE (1) DE2207048C3 (it)
FR (1) FR2125924A5 (it)
GB (1) GB1390351A (it)
IT (1) IT960660B (it)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1511832A (en) * 1974-05-07 1978-05-24 Tetronics Res & Dev Co Ltd Arc furnaces and to methods of treating materials in such furnaces
GB1565065A (en) * 1976-08-23 1980-04-16 Tetronics Res & Dev Co Ltd Carbothermal production of aluminium
GB1529526A (en) * 1976-08-27 1978-10-25 Tetronics Res & Dev Co Ltd Apparatus and procedure for reduction of metal oxides
CA1107307A (en) * 1976-11-04 1981-08-18 Jozef K. Tylko Production of hydraulic cements, cement-forming materials and aggregates
US4685963A (en) * 1978-05-22 1987-08-11 Texasgulf Minerals And Metals, Inc. Process for the extraction of platinum group metals
FR2446324A1 (fr) * 1979-01-15 1980-08-08 Karlovitz Bela Procede de reduction thermique d'oxydes metalliques tels que l'aluminium
US4361441A (en) * 1979-04-17 1982-11-30 Plasma Holdings N.V. Treatment of matter in low temperature plasmas
US4295881A (en) * 1979-04-23 1981-10-20 Texasgulf Inc. Process for extraction of platinum group metals from chromite-bearing ore
ZA807646B (en) 1979-12-31 1982-02-24 Johnson Matthey Co Ltd Refining of refractory materials
AT367453B (de) * 1980-04-03 1982-07-12 Voest Alpine Ag Verfahren und vorrichtung zur herstellung von fluessigem roheisen oder stahlvormaterial
EP0096493B1 (en) * 1982-05-25 1987-08-19 Johnson Matthey Public Limited Company Plasma arc furnace
US4583229A (en) * 1984-01-09 1986-04-15 Aluminum Company Of America Metal melting system
FR2570620B1 (fr) * 1984-09-24 1988-10-28 Electricite De France Procede et dispositif de decarbonatation de mineraux par calcination en lit fluidise
EP0207929A1 (de) * 1985-06-17 1987-01-07 VOEST-ALPINE Aktiengesellschaft Elektroofen, insbesondere Plasmaofen
AT385520B (de) * 1986-07-22 1988-04-11 Voest Alpine Ag Verfahren zur gewinnung von kupfer sowie ofen zur durchfuehrung des verfahrens
US4806325A (en) * 1988-07-14 1989-02-21 Fmc Corporation Process for recovering elemental phosphorus and a metal concentrate from ferrophos
US4990179A (en) * 1990-04-23 1991-02-05 Fmc Corporation Process for increasing the life of carbon crucibles in plasma furnaces
MX9200855A (es) * 1991-02-27 1992-10-30 Avny Ind Corp Spotka Z O O Z O Metodo y aparato reactor quimio-termico para la extraccion de valores minerales de los materiales particulados.
MX9200853A (es) * 1991-02-27 1992-10-30 Avny Ind Corp Spotka Z O O Avn Metodos y aparatos para la extraccion de valores minerales de materiales en particulas.
ATE123816T1 (de) * 1991-11-28 1995-06-15 Carbagas Verfahren zur unterdrückung von staub und rauch bei der elektrostahlherstellung.
US5284503A (en) * 1992-11-10 1994-02-08 Exide Corporation Process for remediation of lead-contaminated soil and waste battery
DE69427412T2 (de) * 1993-03-08 2001-10-25 Kobe Steel Ltd Plasmaofen
US5460701A (en) * 1993-07-27 1995-10-24 Nanophase Technologies Corporation Method of making nanostructured materials
AU5172796A (en) * 1995-02-21 1996-09-11 Peltek, Inc. Treatment of zircon
US5731564A (en) * 1996-02-05 1998-03-24 Mse, Inc. Method of operating a centrifugal plasma arc furnace
DE19625539A1 (de) * 1996-06-26 1998-01-02 Entwicklungsgesellschaft Elekt Verfahren zur thermischen Behandlung von Stoffen in einem Plasmaofen
US5782952A (en) * 1996-08-30 1998-07-21 Massachusetts Institute Of Technology Method for production of magnesium
NO306998B1 (no) * 1998-02-26 2000-01-24 Norsk Hydro As Fremgangsmåte for fremstilling av aluminium
DE19945318C2 (de) * 1999-09-22 2001-12-13 Hartmetall Beteiligungs Gmbh Verfahren zur Herstellung sphäroidisierter Hartstoffpulver
US10188119B2 (en) * 2001-07-16 2019-01-29 Foret Plasma Labs, Llc Method for treating a substance with wave energy from plasma and an electrical arc
US7857972B2 (en) 2003-09-05 2010-12-28 Foret Plasma Labs, Llc Apparatus for treating liquids with wave energy from an electrical arc
US8764978B2 (en) 2001-07-16 2014-07-01 Foret Plasma Labs, Llc System for treating a substance with wave energy from an electrical arc and a second source
ITRM20010634A1 (it) * 2001-10-26 2003-04-28 Ct Sviluppo Materiali Spa Elettrodo, in particolare per forni elettrici ad arco di tipo siderurgico e simili, e relativo metodo di esercizio.
US7611686B2 (en) * 2005-05-17 2009-11-03 Max-Planck-Gesellschaft Zur Forderung Der Wissenschaften E.V. Materials purification by treatment with hydrogen-based plasma
CA2683165C (en) 2006-04-05 2013-06-11 Foret Plasma Labs, Llc System, method and apparatus for treating liquids with wave energy from plasma
WO2011005618A1 (en) * 2009-07-06 2011-01-13 Peat International, Inc. Apparatus for treating waste
JP6153466B2 (ja) * 2011-02-28 2017-06-28 株式会社Ihi 熱処理品の温度測定装置と方法
TWI472380B (zh) * 2012-07-04 2015-02-11 Univ Nat Ilan Waste disposal method
CN105143413B (zh) 2012-12-11 2017-07-04 弗雷特等离子实验室公司 高温逆流涡动反应器系统、方法和装置
WO2014165255A1 (en) 2013-03-12 2014-10-09 Foret Plasma Labs, Llc Apparatus and method for sintering proppants

Family Cites Families (3)

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Publication number Priority date Publication date Assignee Title
GB1043384A (en) * 1963-08-07 1966-09-21 Electrical Res Ass Improvements relating to electrical heating arcs
NL6414964A (it) * 1964-12-23 1966-06-24
SE314753B (it) * 1965-05-22 1969-09-15 Inst Badan Jadrowych

Also Published As

Publication number Publication date
GB1390351A (en) 1975-04-09
DE2207048B2 (de) 1973-11-15
CA957733A (en) 1974-11-12
FR2125924A5 (it) 1972-09-29
DE2207048C3 (de) 1974-06-20
JPS5515838B1 (it) 1980-04-26
DE2207048A1 (de) 1972-08-24
US3783167A (en) 1974-01-01

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