Method of producing reduced metals and apparatus for reducing metal oxides
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United States of America Patent
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Sep 28, 2004
Grant Date -
Dec 19, 2002
app pub date -
May 28, 2002
filing date -
May 30, 2001
priority date (Note) -
Expired
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Abstract
A method of producing reduced metals is disclosed in which a mixture of a metal oxide and a reducing agent is heated by a burner such that the metal oxide is reduced to a reduced metal. Dry-distilled gas generated during carbonization of an organic matter-containing component is used as fuel for the burner. The sensible heat of exhaust gas evolved by the burner is utilized as heat for carbonizing the organic matter-containing component. Carbide derived by carbonizing the organic matter-containing component is used as the above reducing agent. This method yields excellent cost performance. An apparatus for reducing metal oxides is also disclosed.
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