Thermite process for producing a metal or alloy

Specialized metallurgical processes – compositions for use therei – Processes – Producing or treating free metal

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75959, C22B 900

Patent

active

051528304

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.

REFERENCES:
patent: 2253364 (1941-08-01), Cohen
patent: 2778723 (1957-01-01), Ujike
patent: 2836488 (1958-05-01), Martin
patent: 3736127 (1973-05-01), Kocks

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