نتایج جستجو برای: tss removal
تعداد نتایج: 145684 فیلتر نتایج به سال:
The present work has been carried out to investigate the removal efficiency of active oxygen, produced by using APGP cold plasma sterilizer, on the heavy metals of Hg, Pb and Total Suspended Solids in discharge wastewater of Shif shrimp culture complex and Persian Gulf SPF shrimp research center in Bushehr province. The maximum of removal efficiency for Hg and Pb were 66% and 74%, respectively...
A physicochemical study for the treatment of pharmaceutical wastewater was performed. Objective of the laboratory investigation was to study the removal of color, Total Dissolved Solids (TDS), Biochemical Oxygen Demand (BOD), Chemical Oxygen Demand (COD), turbidity and phenol and bring them up to the allowable limits for reuse purposes. Efficiency of coagulation, flocculation, sedimentation, sa...
--------------------------------------------------------ABSTRACT----------------------------------------------------------Pilot plant composed of fabric filters integrated with the decentralized treatment plant ZECUwas tested for its ability to remove the suspended solids and organic matters presented as TSS, CODt and CODs from wastewater. The filters were made from scrim polyester non-woven fa...
Considerable effort is being expended to assess the effectiveness of urban Best Management Practices (BMP) for stormwater quality enhancement. The effectiveness of structural BMP’s is typically evaluated based on a limited amount of test data, which has lead some state organizations established programs requiring mandatory testing for these devices. One such program is the Technology Acceptance...
Sediment and phosphorus removal from simulated storm runoff with compost filter socks and silt fence
In 2005, the US Environmental Protection Agency National Menu of Stormwater Best Management Practices, National Pollutant Discharge Elimination System Phase II for Construction Sites, listed compost filter socks as an approved best management practice for controlling storm runoff and sediment on construction sites. Like most new technologies used to control sediment on construction sites, littl...
Introduction: Aerobic treatment processes with fixed growth has attracted attention of the engineers and designers of wastewater treatment due to the separation of organic materials in sewage and also to nitrification (conversion of ammonium to nitrate).The purpose of this study was to evaluate the performance of Submerged Biofilm Reactor to removal of organic matter (BOD and COD), turbidity an...
Reservoirs are artificial ecosystems with physical, chemical, and biological transitional characteristics between rivers and lakes. Greater water retention time in reservoirs provides conditions for cycling materials inputs from upstream waters through sedimentation, biological assimilation and other biogeochemical processes. We investigated the effects of reservoirs on the water quantity and q...
Background & Aims of the Study: The most important compounds in hospital wastewater are antibiotics, disinfectants, anesthetics, radioactive elements, static cytotoxic agents, other chemicals and hazardous materials that caused to be different domestic sewage. The purpose of this study was the evaluation of performance of extended aeration biological system in pollutants remova...
The performance of an upflow anaerobic sludge blanket (UASB) reactor and a hybrid UASB-filter reactor was investigated and compared for the treatment of domestic wastewater at different operational temperatures (28, 20, 14 and 10°C) and loading rates. For each temperature studied a constant CODt removal was observed as long as the upflow velocity was lower than 0.35 m/h. At these upflow velocit...
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