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A Study on Removal of Organics, Nitrogen and Phoschorus of Domestic Wastewater in Pilot-Scale Upflow Packed Bed Column Reactor  

Seon, Yong-Ho (Department of Environmental Engineering, Sangji University)
Publication Information
KSBB Journal / v.22, no.4, 2007 , pp. 191-196 More about this Journal
Abstract
This study used biofilm process, which needs simple operation, maintenance and smaller facility area than conventional activated sludge process with the small plant operation, in the treatment of increasing sewage with the rapid industrial growth. The reactor used in this study consists of one anaerobic and one aerobic chamber filled with waste ceramic and waste vinyl as media and the treated sewage was from restaurant source. The experiment was scaled up from lab. to pilot scale and lasted for about 100 days. We focused on the removal efficiency of organics, nitrogen and phosphorus with constant HRT and continuous aeration. The removal efficiency of $BOD_5$ and SS were 94.33% and 87.77% respectively, which was a satisfaction level. However the removal efficiency of $COD_{Cr}$ was 81.46% somewhat below the desired level of 90%, and that of T-N and T-P showed 71.92% and 21.10% respectively, that was below the expected value. The removal efficiency of $COD_{Cr}$ and T-N in the pilot scale was about 10% low compared with the lab.-scale.
Keywords
Pilot-scale; biofilm process; domestic wastewater; media; organics; nitrogen; phosphorus;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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