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http://dx.doi.org/10.5762/KAIS.2014.15.1.585

Mixing Effects of Anaerobic Digestion Efficiency on Livestock Wastewater Treatment  

Lee, Jong-Ho (Department of Environment Engineering, Inha University)
Sung, Il-Wha (Department of Environmental & Energy Engineering, Gachon University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.15, no.1, 2014 , pp. 585-592 More about this Journal
Abstract
Mixing effect on anaerobic digestion of livestock wastewater was different results depending on the researchers have been reported. The purpose of this study was to understand application of Korea livestock waste it was necessary to determine the effect of mixing. 4 anaerobic reactors were operated mesophilic and thermophilic temperature with continuous mixing or non mixing condition, respectively. Experimental result showed If temperature was same, TCOD removal efficiency of continuous mixing reactor was 0.11-0.58% higher than non mixing reactor. Different mesophilic and thermophilic temperature, there was no significant difference of TCOD removal efficiency. Continuously mixed digester gas production was 1.7-4.6% higher than non mixed digester. In addition, mesophilic digester gas production was 29.1-32.1% higher than the thermophilic digester. It was due to the thermophilic digester believe the inhibition of ammonia. This study suggest that the optimized operation condition of anaerobic digestion for livestock wastewater treatment was mesophilic continuous mixing state.
Keywords
Anaerobic digestion; Methane production; Mixing; Temperature;
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Times Cited By KSCI : 1  (Citation Analysis)
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