Process for production of high purity silica gel

Details Process for production of high purity silica gel Process for production of high purity silica gel

1988-09-02

1991-05-21

Cooper, Jack

Chemistry of inorganic compounds

Silicon or compound thereof

Oxygen containing

C01B 3312

Patent

active

050173545

ABSTRACT:
High purity, particulate silica gel is formed by the hydrolysis and condensation of a silicon alkoxide in a non-metal lined tumble dryer. The silica gel is then dried in the tumble dryer, is washed with an aqueous solution to remove trace contaminants, and is dried again to form the particulate product.

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patent: 4353874 (1982-10-01), Keller et al.
patent: 4680049 (1987-07-01), Su et al.
Tsuyama et al, "Chem. Abstr.", 108, 58828r.
Klein et al, "ACS Symp. Series 194", Chapter 18, pp. 293-304 (1982).
Gossink et al., "Mat. Res. Bull.", vol. 10, pp. 35-40 (1975).
Su et al., "Mat. Res. Soc. Sym. Proc.", vol. 73, pp. 237-244 (1966).

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