Method for quenching silicon spent bed

Details Method for quenching silicon spent bed Method for quenching silicon spent bed

1989-11-13

1991-03-19

Straub, Gary P.

Chemistry of inorganic compounds

Silicon or compound thereof

Oxygen containing

423659, 423DIG20, 556465, C01B 3312, C07F 704

Patent

active

050009346

ABSTRACT:
The instant invention is a method for the quenching of a spent bed resulting from the reaction of organic halides with silicon metal to form organohalosilanes. The method employs a strong base and elevated temperature to digest the hydrophobic siloxane-rich coating and dislodge the carbon coating which forms around the spent bed particles. Removal of these coatings allows more rapid and complete quenching of the autoxidants on the surface of the spent bed particles.

REFERENCES:
patent: 4690810 (1987-09-01), Breneman et al.
patent: 4824652 (1989-04-01), Hosokawa

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