... , industrial water, waste water, domestic sewage and sludge dewatering. Based on the product of Polymer Ferric Sulphate, we ... Specifications1,Condensate settlement rate 2,alum large, with excellent dewatering performance 3, better than the GB14591-2006 Sulfate, molecular ... by: condensate settlement rate, alum large, with excellent dewatering performance. Indicators met or better than the GB14591-2006 ...