C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
53/4
C22B 1/245 (2006.01) C01B 31/36 (2006.01) C01B 33/025 (2006.01) C22B 1/244 (2006.01)
Patent
CA 1304586
ABSTRACT OF THE DISCLOSURE A process and apparatus for the preparation of green briquettes for the production of silicon or silicon carbide or ferrosilicon in electric pit furnaces, quartz sand, a carbon carrier and a bituminous binder being mixed together, the mixture being shaped into blanks from which the green briquettes are formed by heat treatment. The process is performed with the use of blanks which are free from melted bituminous caking coal and whose specific weight is made greater than the bulk density of quartz sand by adjustment of the proportions of the mixture and by compacting. The blanks are introduced for the heat treatment into a heated rotating drum furnace whose lower part is filled with quartz sand to an extent such that the heat treatment proceeds in a dip bed of quartz sand.
572423
Applied Industrial Materials Corporation Aimcor
Borden Ladner Gervais Llp
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