Theem 1: Silica xuab zeb + Sodium + Acid→Sodium Silicate
Tsi 2:Sodium Silicate + dej + Acid→Precipitated Silica→Press Filtering
Theem 3: Liquifying thiab Drying→Precipitated Silica hmoov
Theem 4: Granulating los Precipitated Silica ntau thiab Packing