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Polyacrylamide – PAM. Polyacrylamide (PAM), often referred to as “polymer” or “flocculant”. It is a long chain, linear organic polymer made up of individual monomer units with the molecular formula of C3H5NO and molecular weights ranging from 3,000,000 to 30,000,000 Daltons. PAM is a dry white or light yellow powder similar in shape to table salt. It readily dissolved in water to form a viscous, colorless solution.
The influence of the molecular weight of PolyDADMAC, with several PAM dosages, on turbidity removal is shown in . Figure 2. Generally, turbidity removal in-creased with an increasing molecular weight. At the 0.4 mg·L −1. dosage of PAM, PDM03 showed higher floccu-lation turbidity removal than PDM01 and PDM02, which were lower in molecular weight.
