Method for treating activated silicon powder

Details Method for treating activated silicon powder Method for treating activated silicon powder

C - Chemistry, Metallurgy

01

B

117/47.4

C01B 33/02 (2006.01) C01B 33/107 (2006.01) C07F 7/16 (2006.01)

Patent

CA 1245106

METHOD FOR TREATING ACTIVATED SILICON POWDER ABSTRACT What is disclosed is an improvement in a method for treating the reactive silicon powder, obtained as a reaction residue from the preparation of organochloro- silanes or chlorosilanes from the reaction of metallic silicon with a chlorinated hydrocarbon or hydrogen chloride, said method comprising combining the reactive silicon powder with water and granulating the mixture of the reactive silicon powder and water, the improvement comprising (A) coating the resulting granules from the granulating of the mixture of the reactive silicon powder and water with an inert inorganic powder.

505763

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