... 9001: 2000 Standard; 4) white granule Flocculant for Coal Washing Water Treatment 1,Specification ModelAppearanceMolecular weight(W)Solid content (%)Insoluble matter(%)Degree ... with neutral oralkaline pH value, large suspended particles, high concentration and positivecharge, such as wastewater of steel plants, electroplating plants, metallurgicalplants ...