C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
53/243, 53/347,
C22B 21/02 (2006.01) C01B 21/082 (2006.01) C01B 31/30 (2006.01) C01B 33/02 (2006.01) C01B 35/02 (2006.01) C01B 35/04 (2006.01) C22B 1/245 (2006.01) C22B 5/10 (2006.01) C22B 21/00 (2006.01) H05B 3/60 (2006.01)
Patent
CA 1175238
Abstract of the Disclosure A method and apparatus for the continuous production of metals and/or carbides by thermal reduction is described. In the process, a mixture of metal oxide and carbon is agglomerated, each piece of agglomerate encased in carbon and/or graphite, the carbon casing serves as a housing of the agglomerate during the reducing reaction and as an electrical resistance element for heating of the agglomerate, the encased agglomerates are coked and reduced to metal carbide in a tightly packed form, Extraction of the metal from the carbide is effected with a halide of the same metal. The apparatus for producing the metal carbide is a vertical furnace with an upper inlet and a lower bifurcated discharge. An indirectly heated vertical muffle is in the upper section and at least two electrodes extend into the lower section of the furnace, mounted on the sidewalls. A third electrode is mounted in a discharge area in the center of the lower section.
366101
Kirby Eades Gale Baker
Vereinigte Aluminium-Werke Aktiengeselschaft
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