METHOD FOR MANUFACTURE OF PRECIPITATED SILICA FILLER Russian patent published in 1994 - IPC

Abstract RU 2023664 C1

FIELD: chemical and mechanical engineering. SUBSTANCE: this method prescribes carrying out such steps as carbonization of water glass using carbon dioxide, neutralization, hydromechanical treatment of resulting suspension in hydrodynamic acoustic apparatus having rotary radiator at suspension flow rate of 1 to 2 m/s, filtration, washing-off and drying of resultant precipitate. EFFECT: more sophisticated technique. 1 tbl

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RU 2 023 664 C1

Authors

Derevjanko V.V.

Sobolev V.F.

Popljakov E.P.

Zverev Ju.N.

Balabanov V.M.

Dates

1994-11-30—Published

1991-09-23—Filed