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In industrialized countries, PAM is an integral part of public health sanitary strategies and water management due to its importance in the function of municipal and industrial waste water treatment plants. Without utilizing PAMs, the limits prescribed by the EU water framework directive (DIRECTIVE 2000/60/EC of 23 Oct, 2000) cannot be achieved.
The main applications of organic polyelectrolytes in potable water production are in coagulation and flocculation, and in the dewatering of treatment plant sludges. The water production processes are usually followed by sedimentation and filtration, although with only slightly contaminated waters the sedimentation step may be omitted.
