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KMID : 0380020090240030291
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Korean Journal of Biotechnology and Bioengineering
2009 Volume.24 No. 3 p.291 ~ p.295
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Practical Demonstration of YPNR Process to Elimination the Total Nitrogen Ingredient in Sewage
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Lim Eun-Tae
Jeong Gwi-Taek
Bhang Sung-Hun
Kim Yong-Un
Park Jae-Hee
Park Seok-Hwan
Park Don-Hee
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Abstract
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This study performed verification experiment for the removal of total nitrogen in sewage from a Town M village sewage treatment plant using YPNR processes. The total nitrogen discharged after the denitrification process was maintained at a level of 8-15 mg/L, which results in the total nitrogen removal efficiency above 68% on average. The total nitrogen components in discharged water consisted of 16% of ammonia nitrogen, 6% of nitrite nitrogen, and 77% of nitrate nitrogen, which reaches a 95% nitrification efficiency. Hence, the YPNR advanced treatment process used in this study can be successfully applied to sewage treatment.
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KEYWORD
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sewage treatment plant, denitrification, nitrification, verification experiment, total nitrogen removal
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