Case Study

Reconditioned And Rehabbed Filters Succeed At Large Treatment Plant

DynaSand Filter Rehabilitation

A large treatment plant includes several treatment processes that contribute to providing quality recycled water pursuant to the state of California Title 22 regulations. Major treatment processes include raw wastewater pumping, preliminary treatment, primary treatment, secondary treatment, tertiary treatment with Parkson DynaSand® filters, and disinfection.

The DynaSand® filter is an upflow, deep bed, granular media filter with continuous backwash. The filter media is cleaned by a simple internal washing system that does not require backwash pumps or storage tanks. The filter’s deep media bed is designed to handle high levels of suspended solids, thereby eliminating the need for pre-sedimentation steps in some applications.

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