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KMID : 1156220080340040333
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Journal of Environmental Health Sciences
2008 Volume.34 No. 4 p.333 ~ p.341
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Optimum Conditions of Super-critical Water Oxidation Process for Treatment of Slurry Piggery Wastewater
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Kim Ean-Ho
Seo Jeoung-Yoon
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Abstract
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In this study, the possibility and the optimal conditions for treating slurry type piggery wastewater using supercritical water oxidation were tested in the laboratory. The results could be summarized as follows; The slurry type piggery wastewater, which was diluted 50 times, was treated most effectively at the pressure of 300 bar, the temperature of 550℃ and the residence time of 10 minutes. The air saturated water was injected, as an oxidizing agent, and the removal efficiencies of CODcr, T-N, NH₄?-N and T-Pattheoptimal conditions were 92, 40, 59 and 100%, respectively. Therefore, analte mativemea suremu stbetaken to improve theremo valefficiency of the nitrogen compounds.
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KEYWORD
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Super-Critical Water Oxidation, Slurry Piggery Wastewater
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