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KMID : 0380020080230060535
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Korean Journal of Biotechnology and Bioengineering
2008 Volume.23 No. 6 p.535 ~ p.540
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Study of Factors Influenced on denitrification in wastewater treatment
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Abstract
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In this study, the effects of several factors such as initial nitrate concentration, C/N ratio, biomass amount and external carbon source on denitrification process were investigated using synthetic wastewater and sludge obtained from wastewater treatment facility. As a result, the condition of lower initial nitrate concentration was increased to the removal rate of nitrate than that of high concentration. The increases of C/N ratio and initial biomass amount were linearly enhanced the removal rate. The use of ethanol as external carbon source was shown the highest removal yield than that of others.
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KEYWORD
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nitrogen removal, denitrification, industrial wastewater, advanced treatment, factor
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