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Polyacrylamide flocculant advantages and uses

Polyacrylamide and poly-dimethylaminoethyl acrylate flocculant compared to the copolymer product having a cationic charge density range, high molecular weight, a wide range of application and low cost for a wide variety of industrial and domestic wastewater particularly suitable for industrial wastewater from sewage plants and chemical, petroleum or organic paper mill sludge treatment, used as a biological sludge treatment, used as a biological sludge dewatering aids!

And using a high cationic charge polyacrylamide PAM component and the role of negative charges and the floc bridging flocculation process, to select the appropriate size and molecular weight of the cationic charge density of the copolymer, depending on the charge density of the processed depends on the content of the cationic monomer is methacrylic acid, acrylic acid, dimethylamino ethyl methacrylate copolymer, for example, biological sludge dewatering process, the use of the same molecule but different cationic charge density of the product, a great difference in the result, the effect of dehydration the filtrate was collected 100ml total time required.

When using polyacrylamide can be directly added to clarify the treated biological sludge can also be added to the thickened, digested sludge dewatering in front. Amount added per ton of dry sludge solids, is 2.3 ~ 4.5kg, treated sludge can be used a belt filter, a vacuum filter or a centrifuge dewatering dewatering belt filter, the formation of large floes can , and do not adhere filter cloth, so popular, is Japan's most commonly used cationic polymer coagulants and flocculants!
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