Deactivation of spent silicon powder

Details Deactivation of spent silicon powder Deactivation of spent silicon powder

1991-09-03

1992-06-30

Lesmes, George F.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

106491, 423374, 423342, 423348, 423349, 428404, 428407, C01B 3308

Patent

active

051262037

ABSTRACT:
Residual silicone from direct process manufacture of chlorosilanes is stabilized for transportation and disposal by pelletizing finely divided particles of finely divided residual silicon powder contaminated with chlorine, hydrogen, and oxygen and highly reactive and exothermic upon exposure to moisture, and impregnating the pellets with an organic binder.

REFERENCES:
patent: 3787221 (1974-01-01), Topcik
patent: 3894865 (1975-07-01), Wienert
patent: 4551436 (1985-11-01), Johnson et al.
patent: 4724122 (1988-02-01), Hosokawa
patent: 4824652 (1989-04-01), Hosokawa
patent: 4892694 (1990-01-01), Ritzer et al.

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