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In water treatment plant operation does over dosing on filter aid chemicals prevent sealing of filter media?
Wiki User
∙ 15y ago
1. Polymers used as filter aids are similar to flocculants in both structure and function.
2. Filter aid polymers are typically fed at dosages less than 0.1 mg/L; when fed in higher concentrations, they can contribute to filter head loss and short filter run times.
3. Filter aid polymers are fed at a point of gentle mixing (e.g., filter influent trough).
4. Product density and solution strength information can be obtained from the individual polymer manufacturers
Wiki User
∙ 15y ago
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