partially hydrolysed polyacrylamide
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To address these concerns, many plants have turned to alternative disinfectants like ozone and ultraviolet (UV) light. Ozone is a powerful oxidant that can inactivate a wide range of pathogens and is particularly advantageous because it leaves no residual chemicals in the treated water. UV disinfection, on the other hand, uses ultraviolet light to disrupt the DNA of microorganisms, effectively neutralizing them without adding any chemicals.
what chemicals are used in wastewater treatment plants...