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KMID : 1024520060150060571
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Journal of the Environmental Sciences
2006 Volume.15 No. 6 p.571 ~ p.577
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A Study on Nitrogen and Phosphorus Removal in FNR Process
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Cho Il-Hyoung
Lee Nae-Hyun
Lee Seung-Mok
Kim Young-Kyu
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Abstract
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This study make a comparison between the phosphorus removal performance of FNR(Ferrous Nutrient Removal) process and A/O process by the laboratory experiments. For simultaneous removal of phosphorus, iron electrolysis was combined with oxic tank. Iron precipitation reactor on the electrochemical behaviors of phosphorus in the iron bed. The phosphorus removal in FNR process was more than A/O process. Iron salts produced by iron electrolysis might help to remove COD and nitrogen. And the demanded longer SRT is the more removes the removes COD, nitrogen, and phosphorus. Also, FNR process of sludge quantity more reduce than A/O process to input cohesive agents.
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KEYWORD
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FNR process, A/O process, Nitrogen, Phosphorus, Iron precipitation reactor
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