Method for preparing low-concentration polysilicate microgels

Details Method for preparing low-concentration polysilicate microgels Method for preparing low-concentration polysilicate microgels

1994-11-28

1996-04-02

Lewis, Michael

Chemistry of inorganic compounds

Silicon or compound thereof

Oxygen containing

423335, 423338, 501 12, 2523156, C01B 3332

Patent

active

055038204

ABSTRACT:
An improved method for preparing low-concentration polysilicate microgels from a water soluble silicate and a strong acid in which the silicate and acid are mixed at a rate to produce a Reynolds number of at least 4000, the mixture is aged and then diluted to a silica concentration of not more than 1.0 wt. %. The method achieves reduced silica deposition during the preparation of the microgels.

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