Advanced Filtration Techniques for the Reclamation of Sewage Works Effluent

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by David K. Evers, Environmental Elements Corp, Baltimore, MD, USA,
William R. Nichols, Environmental Elements Corp, Baltimore, MD, USA,
H. K. Koleini, Environmental Elements Corp, Baltimore, MD, USA,

Document Type: Proceeding Paper

Part of: Environmental Engineering

Abstract: The central Florida region is currently developing a wastewater reclamation program that will eventually treat 50 MGD (189,300 m**3/d) of municipal wastewater for spray irrigation and frost protection of over 15,000 acres of citrus groves. Since treated wastewater would come in direct contact with crops grown for human consumption, a process was needed to insure complete virus removal or deactivation. Up until now, Florida required the use of deep bed multi-media filters. Pilot tests were undertaken to determine if the more cost-effective low head, traveling bridge filter could perform satisfactorily. Testing demonstrated that the automatic backwash (ABW) filter, when used in conjunction with the proper chemical addition and disinfection, could achieve acceptable results. (Edited author abstract. )

Subject Headings: Municipal wastewater | Water reclamation | Wastewater treatment | Effluents | Sewage | Filtration | Filters | Chemical treatment | Automation | Irrigation | Bridge tests | North America | Florida | United States

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