FIELD: building and petroleum-extracting industries, preparation of colloidal silica. SUBSTANCE: method comprises grinding silicate lump at 60-95 C in the presence of water or steam in amount of 0.01-0.35 based on weight of silicate lump. Drying is then carried out. EFFECT: shorter production cycle and lower energy requirements for preparation of hydrated alkali silicate. 3 cl
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Authors
Dates
1999-08-10—Published
1998-05-29—Filed