methods and compositions for flocculating solids are provided . the solids may be suspended in an organic liquid medium and a water in oil emulsion may be added to the liquid medium . the water in oil emulsion includes an emulsion polymer capable of flocculating the solids suspended in the organic liquid medium . the emulsion polymer may be added to the organic liquid medium in an inactive form and the polymer may subsequently become activated upon contacting the organic liquid medium . once activated , the polymer may flocculate the suspended solids .