Systems and methods of producing trichlorosilane

Systems and methods of producing trichlorosilane

  • CN 102,741,167 A
  • Filed: 11/04/2010
  • Published: 10/17/2012
  • Est. Priority Date: 11/06/2009
  • Status: Active Application
First Claim
Patent Images

1. the method for preparing trichlorosilane, said method comprises:

  • In reactor drum, introduce reaction-ure mixture, said reaction-ure mixture comprises silicon tetrachloride and hydrogen;

    From said reactor drum, reclaim first crude product, said first crude product comprises trichlorosilane, silicon tetrachloride, hydrogen, silicon and metal-salt;

    From said first crude product, separate part silicon and metal-salt at least;

    Produce second crude product and first residue;

    Said second crude product comprises trichlorosilane, silicon tetrachloride and hydrogen, and said first residue comprises trichlorosilane, silicon tetrachloride, silicon and metal-salt;

    AndMake at least that said first residue of part contacts with contact with gas, produce and be rich in solid residue and vapor product, said vapor product comprises trichlorosilane and silicon tetrachloride, and the said solid residue that is rich in comprises silicon and metal-salt.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×