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http://dx.doi.org/10.17137/korrae.2020.28.4.53

Analysis of Major Factors related to the Generation of Fine Particulate Matter in Hanwoo Manure Composting Facilities  

Jeong, Kwang-Hwa (National Institute of Animal Science)
Park, Hoe-Man (National Institute of Animal Science)
Lee, Dong-Jun (National Institute of Animal Science)
Kim, Jung-Kon (National Institute of Animal Science)
Lee, Dong-Hyun (National Institute of Animal Science)
Kim, Da-Hye (Faculty of Biotechnology, Jeju National University)
Publication Information
Journal of the Korea Organic Resources Recycling Association / v.28, no.4, 2020 , pp. 53-68 More about this Journal
Abstract
The concentrations of ammonia, hydrogen sulfide and fine dust were measured in the compost facility of a full-time Hanwoo breeding farms. The experiments were conducted in stack type composting facility(T1) and mechanical-stirred composting facilities(T2, T3). In the stack type composting facility, the highest temperature of compost pile was 46℃, and in the two mechanical-stirred composting facilities, it rose to 63℃ and 68℃, respectively. The concentrations of PM2.5 at T1, T2 were 15 ㎍/㎥ and 5~10 ㎍/㎥, respectively. And the concentration of PM2.5 at T3 was below 10 ㎍/㎥. The highest concentration of ammonia generated at T1 was 4 ppm, but no hydrogen sulfide was detected. The ammonia concentrations at T2 and T3 were 3 ppm and 4 ppm, respectively. However, hydrogen sulfide was not detected in both facilities. At T3, the ammonia concentration increased to 65 ppm at the point where the compost was stirred with a mechanical agitator. During composting period, the pH of the compost pile decreased from 9.06 to 8.94 and then increased to 9.14 as the composting period elapsed. The NaCl content of compost was 0.09% after composting process was complete. Moisture content of compost decreased from 65.9% to 62% as composting progressed. As composting proceeded, the content of volatile solids decreased from 65.6% to 64.7% and the content of TKN decreased from 1.327% to 1.095%.
Keywords
Ammonia; Composting facility; Fine dust; Hanwoo manure;
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Times Cited By KSCI : 4  (Citation Analysis)
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