Process for hydrophobicizing of pyrogenic silica

Details Process for hydrophobicizing of pyrogenic silica Process for hydrophobicizing of pyrogenic silica

1993-11-08

1994-12-13

Bell, Mark L.

Chemistry of inorganic compounds

Silicon or compound thereof

Oxygen containing

423267, 106490, 106491, C01B 3320

Patent

active

053727959

ABSTRACT:
The invention relates to a process for continuously hydrophobicizing pyrogenic, finely divided silica, in which the waste gases are fed back to a mixing chamber upstream of the SiO.sub.2 reaction flame.

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