Patent ID: 8697021
Filing Date: 2014-04-15
Classification: C01B

Abstract:
1. A process for the catalytic hydrodehalogenation of SiCl 4 to form HSiCl 3 , which comprises: bringing a gaseous feed mixture comprising hydrogen and silicon tetrachloride into direct contact with at least one heating element of a resistance heating device in a reactor at a pressure of from 1 to 100 bar abs, wherein the heating element consists of at least one metal material selected from the group consisting of tungsten, niobium, tantalum, an alloy comprising tungsten, an alloy comprising niobium, and an alloy comprising tantalum, wherein the heating element is the only hydrodehalogenation catalyst present in the reactor; and heating the gaseous feed mixture by contacting the gaseous feed mixture with the heating element to catalytically hydrodehalogenate the silicon tetrachloride with the hydrogen and form a product mixture comprising HSiCl performing at least one of the following: