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Optimum Conditions of Super-critical Water Oxidation Process for Treatment of Slurry Piggery Wastewater

슬러리형 돈사분뇨처리를 위한 초임계수 산화공정의 최적 조건

Kim, Ean-Ho;Seo, Jeoung-Yoon
김은호;서정윤

  • Published : 2008.08.30

Abstract

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 $550^{\circ}C$ and the residence time of 10 minutes. The air saturated water was injected, as an oxidizing agent, and the removal efficiencies of $COD_{Cr}$, T-N, $NH_4^+$-N and T-Pattheoptimal conditions were 92, 40, 59 and 100%, respectively. Therefore, analte rnativemea suremu stbetaken to improve theremo valefficiency of the nitrogen compounds.

Keywords

Super-Critical Water Oxidation;Slurry Piggery Wastewater

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