Solar enhanced wastewater treatment in waste stabilization ponds.
作者： J. C. Agunwamba , J. T. Utsev , W. I. Okonkwo
关键词: Suspended solids 、 Chemical oxygen demand 、 Stabilization pond 、 Biochemical oxygen demand 、 Wastewater 、 Total suspended solids 、 Chemistry 、 Environmental engineering 、 Sewage treatment 、 Water quality
摘要: One of the most popular off-site wastewater treatment plants used in tropics is waste stabilization pond (WSP). Although it has several advantages, its use urban areas limited because large land area requirement. Hence, this research aimed at investigating if a solar-enhanced WSP (SEWSP) can increase efficiency and consequently reduce The SEWSPs varying sizes, made metallic tank with inlet outlet valves solar reflector, were constructed to incident sunlight intensity. Wastewater samples collected from examined for physio-chemical biological characteristics period 2 months. parameters total suspended solids, dissolved oxygen, 5-day biochemical oxygen demand (BOD 5 ), chemical (COD), coliform, Escherichia coli. efficiencies SEWSPs, respect these parameters, fluctuated temperature variation, shallowest SEWSP giving highest efficiency. revealed that cost treating using was approximately times lower than conventional same efficiencies.
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