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KMID : 0380020070220030129
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Korean Journal of Biotechnology and Bioengineering
2007 Volume.22 No. 3 p.129 ~ p.133
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Treatment of Organic Waste with Microorganisms of Mixed Population
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Kim Gi-Eun
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Abstract
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This study represents that a removal efficiency of organic matters in wastewater is activated by a sludge process using new mixed microbial population. In case of mixed microorganisms, removal rates of suspended solid (SS), biochemical oxygen demand (BOD) and chemical oxygen demand (COD) were over 90 percent under experimental condition, and removal efficiency of organic matters, sludge density index (SDI) and capillary suction time (CST) in mixed population were higher than that in not-mixed microorganism, while total kjeldahl nitrogen (TKN) and total phosphorus (T-P) which indicate a degree of eutrophication were removed easily in both case. From these results, we may propose that an application of the mixed microbial population is useful to treat domestic wastewater including a great deal of organic matters.
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KEYWORD
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Organic matters, mixed population microorganisms, eutrophication, complete mixing aeration domestic wastewater
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