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http://dx.doi.org/10.5762/KAIS.2010.11.4.1354

A Study on Characteristics of Aerobic Liquid-Composting using a Micro Air Diffusion and a Mixer System  

Gu, Bon-Woo (Department of Environmental Engineering Hanseo University)
Oh, Dae-Min (Department of Environmental Engineering Hanseo University)
Lee, Young-Shin (Department of Environmental Engineering Hanseo University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.11, no.4, 2010 , pp. 1354-1360 More about this Journal
Abstract
The purpose of this study is to analyze the behavior of swine slurry wastewater from bogen, in the treatment of Aerobic Liquid-Composting treatment by Aerobic Liquid-Composting using a mixer and Micro Air Diffusion pH level was at the beginning and its rise was seemingly related to VFA. It appears that removal of BOD and COD are more effective by Aerobic than by Anaerobic. In terms of removal efficiency, it shows 70.9% of BOD and 39% of COD in M.A+Mix and 67.8% of BOD and 19% of COD in M.A. $NH_3-N$ decreases in all conditions, which is caused by both the characteristic of nitrogen and the rise of pH. $NO_3-N$ increases in all conditions. It is judged that the accumulation of $NO_3-N$ affects the reduction of the ratio of denitrification. In the result of the analysis of Manure in swine slurry of liquified fertilizer ingredients, content of Manure in swine slurry of liquified fertilizer ingredients in aerobic conditions (M.A+Mix) is higher than anaerobic conditions.
Keywords
Aerobic; Liquid-Composting; Micro Air Diffusion; Organic Matters; Swine Slurry;
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