Metal catalyzed production of tetrachlorosilanes

Details Metal catalyzed production of tetrachlorosilanes Metal catalyzed production of tetrachlorosilanes

C - Chemistry, Metallurgy

01

B

C01B 33/107 (2006.01)

Patent

CA 2055304

METAL CATALYZED PRODUCTION OF TETRACHLOROSILANE ABSTRACT The present invention is a process for the production of silanes from the contact of hydrogen chloride with silicon. The silicon may be in the form of silicon metal or a silicon containing material. The described process employs a catalyst which increases the yield of tetrachlorosilane. The catalyst is selected from a group consisting of tin and tin compounds, nickel and nickel compounds, arsenic and arsenic compounds, palladium and palladium compounds and mixtures thereof. The process is run at a temperature of about 250°C. to500°C.

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