2014
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Invention
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Method of concentrating high silica iron ores. An improved method and apparatus for concentrating... |
2013
|
Invention
|
Production of pig iron.
A method for producing pig iron by direct processing of iron-containing ... |
|
Invention
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Producing of pig iron from iron-containing materials. A process for recovering pig iron from iron... |
|
Invention
|
Producing pig iron from iron-containing feed materials. A process for recovering pig iron from ir... |
|
Invention
|
Production of pig iron. A method for producing pig iron by direct processing of iron-containing m... |
2011
|
Invention
|
Direct processing of metallic ore concentrates into ferroalloys. A method for producing liquid fe... |
|
Invention
|
Apparatus for direct smelting of zinc bearing compounds to produce metallic zinc. Apparatus for p... |
2008
|
Invention
|
Direct smelting of zinc bearing compounds to produce metallic zinc. (h) recovering the lead and z... |
|
Invention
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Direct processing of ferrotitania ores and sands. (g) recovering the titanium and vanadium values... |