Thermite process for producing a metal or alloy
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United States of America Patent
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Oct 6, 1992
Grant Date -
N/A
app pub date -
Oct 28, 1991
filing date -
Apr 15, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A thermite process for producing a pure metal or alloy by charging a reactor furnace with a mixture primarily containing a powdered metallic oxide and a reducing agent such as powdered aluminum, wherein a batch of the mixture of the starting materials is divided into a plurality of loading lots. The amount of heat generated by each of the loading lots of the starting materials is so regulated that the amount of heat generated by each loading lot differs from the amount of heat generated by other loading lots and the loading lots are sequentially arranged. The lots are loaded into a furnace to form layers for thermite reaction in an ascending order of heat generation.
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