Process for the preparation of silicon tetrachloride

Details Process for the preparation of silicon tetrachloride Process for the preparation of silicon tetrachloride

1985-07-03

1986-08-05

Doll, John

Chemistry of inorganic compounds

Silicon or compound thereof

Halogen containing

423341, 423342, C01B 3308

Patent

active

046042725

ABSTRACT:
The invention relates to the preparation of silicon tetrachloride by reacting material containing SiO.sub.2 with chlorine in the presence of carbon and metal halides and especially chlorides of the fifth main or subsidiary group of the Periodic Table at temperatures in the range of from 500.degree. to 1200.degree. C. The material containing SiO.sub.2 has a BET surface area of at least 0.1 m.sup.2 /g and the carbon has a BET surface area of at least 0.5 m.sup.2 /g.

REFERENCES:
patent: 3130011 (1964-04-01), Evans et al.
patent: 4035169 (1977-06-01), Sebenik et al.
EP-A-0077138, Iwai, Tadashi, Apr. 20, 1983.
CRC Handbook of Chemistry and Physics, 61st Edition pp. B-93, B-123, B-128, B-162, B-147, B-87.

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