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http://dx.doi.org/10.5338/KJEA.2005.24.4.386

Development of Biofilter for Reducing Offensive Odor from Pig House  

Lee, Seung-Joo (College of Agriculture and Life Science, Chungnam National University)
Lim, Song-Soo (College of Agriculture and Life Science, Chungnam National University)
Chang, Dong-Il (College of Agriculture and Life Science, Chungnam National University)
Chang, Hong-Hee (Institute of Agriculture and Life Sciences, Gyeonsang National University)
Publication Information
Korean Journal of Environmental Agriculture / v.24, no.4, 2005 , pp. 386-390 More about this Journal
Abstract
This study was conducted to develop the biofilter fur reducing ammonia $(NH_3)$ and hydrogen sulfide $(H_2S)$ gas emission from a pig house. A biofilter was designed and constructed by a type of squeeze air into the column type of air flow upward. Its column size was ${\Phi}260{\times}360mm$. It was used pressure drop gauge, turbo blower, air temperature, velocity sensor and control program that was programed by LabWindows CVI 5.5. Mixing materials were consisted with composted pine tree bark and perlite with 7:3 ratio (volume). The biofilter media inoculated with ammonia (Rhodococcus equi A3) and hydrogen sulfide (Alcaligenes sp. S5-5.2) oxidizing microorganisms was installed in a commercial pig house to analyzed the effectiveness of biogas removal for 10 days. Removal rates of ammonia and hydrogen sulfide gases were 90.8% and 81.5%, respectively. This result suggests that the pine compost-perlite mixture biofilter is effective and economic for reducing ammonia ana hydrogen sulfide gases.
Keywords
biofilter; deodorization; bed material; microorganism; pig house;
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