LOW MAINTENANCE — MECHANICALLY SIMPLE WASTEWATER TREATMENT SYSTEMS FOR DEVELOPING AND DEVELOPED COUNTRIES
Dual power multi-cellular (DPMC) aerated lagoons provide low cost wastewater treatment producing an effluent that consistently meets secondary limits as established by the United States Environmental Protection Agency for five-day biochemical oxygen demand (BOD5) and total suspended solids (TSS). When equipped with intermittent sand filtration at the effluent of a DPMC aerated lagoon, effluent quality approaches that of many activated sludge treatment systems. Moreover, DPMC aerated lagoons cost less to construct. An evaluation of four wastewater treatment facilities indicated that, when designed properly, DPMC aerated lagoons cost less to operate and require significantly less operator time and expertise as compared to activated sludge processes. In areas where available, trained wastewater professionals are limited, DPMC aerated lagoons provide a high quality and inexpensive treatment alternative.
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Document Type: Research Article
Publication date: 2001-01-01
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