FIELD: chemistry.
SUBSTANCE: in a process for separating a solid material from a suspension of solid material in water, an organopolysiloxane polyalkylene oxide copolymer, comprising a branched organopolysiloxane structure, is added to suspension of solid material in water and suspension is drained.
EFFECT: organopolysiloxane polyalkylene oxide copolymer comprising a branched organopolysiloxane structure increases rate of drainage of suspension.
21 cl, 1 dwg, 1 tbl, 6 ex
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