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Direct smelting process for producing metals from metal oxides
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Recovery of copper values from copper ores.
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Process to selectively recover metals from waste dusts, sludges and ores
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1999-10-01
Method of producing a reduced metal, and traveling hearth furnace for producing same.
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2000-12-01
Method for initiating heap bioleaching of sulfidic ores.
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2001-01-09
Method for recovering metallic chromium from slag containing chromium oxide
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2000-11-10
Process for recovering value metals from iron-containing alloys
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Method for recovering gold from refractory carbonaceous ores.
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2003-05-28
Copper alloy, and process for making it
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2008-03-19
An apparatus for manufacturing a molten iron directly using fine or lump coals and fine iron ores, the method thereof, the integrated steel mill using the same and the method thereof
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1996-11-13
Process for recovering metals from iron oxide bearing masses
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2001-06-18
Pelletising process
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2004-04-28
Facilities for reducing metal oxide, method for operating the facilities and moldings as law material to be charged to reduction furnace
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2003-10-15
Method and device for producing pig iron or liquid steel pre products from charge materials containing iron ore.
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2003-09-10
Method for reducing non-ferrous metal content in slag in the production of non-ferrous metals occurring in suspension smelting furnace.
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2003-06-26
Method for reducing a particulate material containing a metal, especially iron ore
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1999-05-13
Polymeric combinations used as copper and precious metal heap leaching agglomeration aids
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2002-10-17
Heap leaching base metals from oxide ores
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2001-09-30
Improved method for leaching of ores
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2001-11-26
Method for recovering useful metal from slag generated in steel-making process while treating the slag
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2000-10-11
Process for briquetting or pelletising metal oxide ore fines.
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1982-06-18
Process for recovering co-rich off-gas in metal smelting.
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2002-01-30
Method for transforming slag derived from non-iron metallurgy.
EP0622597A3
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1995-09-06
Process and device for smelting metals, more particularly non-ferrous metals.
IL131652A0
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2001-01-28
Process for producing metal containing sulfide ores