Method for producing trichlorosilane

US7056484B2 · kind B2 · utility

Assignee

• SOLARWORLD AG · DE

Inventors

• Andreas Bulan · Langenfeld, DE
• Rainer Weber · Leverkusen, DE

Key dates

• Filing date: Sep 7, 2001
• Grant date: Jun 6, 2006
• Expiry date: Nov 1, 2022

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C01B33/03
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

The invention relates to a method for producing trichlorosilane by reacting silicon with hydrogen, silicon tetrachloride and, optionally, hydrogen chloride, whereby the silicon is provided in comminuted form, and the silicon is mixed with a catalyst during comminution.