돈분뇨 액비의 폭기수준에 따른 여름철 온실가스 배출량 비교

This study was carried out to investigate greenhouse gas (GHG), $CH_4$ and $N_2O$, emission from liquid swine manure according to aeration levels in summer. To evaluate the influence of operation methods on GHG emissions, liquid swine manure were applied with different rates of aeration (store witho...

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Published in축산시설환경학회지 Vol. 17; no. 3; pp. 163 - 170
Main Authors 최동윤, 박규현, 조성백, 양승학, 황옥화, 곽정훈, 안희권, 유용희, Choi, Dong-Yoon, Park, Kyu-Hyun, Cho, Sung-Back, Yang, Seong-Hak, Hwang, Ok-Hwa, Kwag, Jung-Hoon, Ahn, Hee-Kwon, Yoo, Yong-Hee
Format Journal Article
LanguageKorean
Published (사)한국축산환경학회 01.12.2011
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ISSN1226-0274
2982-6217

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Abstract This study was carried out to investigate greenhouse gas (GHG), $CH_4$ and $N_2O$, emission from liquid swine manure according to aeration levels in summer. To evaluate the influence of operation methods on GHG emissions, liquid swine manure were applied with different rates of aeration (store without aeration, $1m^3/ton/h$, $2.5m^3/ton/h$, and $5m^3/ton/h$). Following are the results of this study. The liquid swine manure applied no aeration, $1m^3/ton/h$, $2.5m^3/ton/h$, and $5m^3/ton/h$ aeration rates released 315.6, 13.9, 17.9 and $9.6{\mu}g/m^2/s$ of $CH_4$ and 0.173, 0.157, 0.131, and $0.241{\mu}g/m^2/s$ of $N_2O$, respectively. Liquid swine manure applied no aeration released the most amount of GHG ($6,681.4{\mu}g/m^2/s$ $CO_2$-Eq.) and followed by $5m^3/ton/h$ ($276.4{\mu}g/m^2/s$ $CO_2$-Eq.), $2.5m^3/ton/h$ ($416.0{\mu}g/m^2/s$ $CO_2$-Eq.), and $1m^3/ton/h$ ($340.8{\mu}g/m^2/s$ $CO_2$-Eq.). Our results reveal that the aerated system may reduce GHG emissions compared to no aeration. Consequently, aeration and mixing were effective at reducing GHG emissions during liquid swine manure storage. 본 시험은 돈분뇨 액비에서 발생하는 온실가스 ($CH_4$, $N_2O$) 발생량을 조사하기 위해 수행하였으며, 처리구별로 메탄 및 아산화질소의 발생량을 비교한 결과는 다음과 같다. 돈분뇨 액비에서 발생하는 메탄량은 단순 저장, 폭기 1.0, 폭기 2.5, 폭기 $5.0m^3$/톤/시간 처리구에서 각각 315.6, 13.9, 17.9, $9.6{\mu}g/m^2/s$, 아산화질소량은 각각 0.173, 0.157, 0.131, $0.241{\mu}g/m^2/s$로 나타났으며, 이를 이산화탄소 발생량으로 환산하면, 각각 6,618.4, 340.8, 416.0, $276.4{\mu}g/m^2/s$였다. 또한 폭기처리 시 전기 사용에 따른 이산화탄소 발생량은 각각 0, 81.6, 204.0, $407.9g/m^2$/일로 나타났다. 따라서 전기사용량을 고려한 돈분뇨 액비화 과정의 폭기처리 수준에 따른 총 이산환탄소 발생량은 각각 577.3, 111.0, 239.9, $431.8g/m^2$/일로서 돈분뇨 액비화 처리과정시 호기적 처리를 하게 되면 단순저장에 비해서 메탄 및 아산화질소 등의 온실가스 발생량이 저감되는 것으로 조사되었으며 적절한 폭기량은 $1.0{\sim}2.5m^3$/톤/시간으로 나타났다.
AbstractList This study was carried out to investigate greenhouse gas(GHG), CH_4 and N_2O, emission from liquid swine manure according to aeration levels in summer. To evaluate the influence of operation methods on GHG emissions, liquid swine manure were applied with different rates of aeration(store without aeration, 1m^3/ton/h, 2.5m^3/ton/h, and 5m^3/ton/h). Following are the results of this study. The liquid swine manure applied no aeration, 1m^3/ton/h, 2.5m3/ton/h, and 5m^3/ton/h aeration rates released 315.6, 13.9, 17.9 and 9.6µg/m2/s of CH_4 and 0.173, 0.157, 0.131, and 0.241 µg/m^2/s of N_2O, respectively. Liquid swine manure applied no aeration released the most amount of GHG(6,681.4µg/m^2/s CO_2-Eq.) and followed by 5m^3/ton/h(276.4µg/m^2/s CO_2-Eq.), 2.5m^3/ton/h (416.0µg/m^2/s CO_2-Eq.), and 1m^3/ton/h(340.8µg/m^2/s CO_2-Eq.). Our results reveal that the aerated system may reduce GHG emissions compared to no aeration. Consequently, aeration and mixing were effective at reducing GHG emissions during liquid swine manure storage. KCI Citation Count: 2
This study was carried out to investigate greenhouse gas (GHG), $CH_4$ and $N_2O$, emission from liquid swine manure according to aeration levels in summer. To evaluate the influence of operation methods on GHG emissions, liquid swine manure were applied with different rates of aeration (store without aeration, $1m^3/ton/h$, $2.5m^3/ton/h$, and $5m^3/ton/h$). Following are the results of this study. The liquid swine manure applied no aeration, $1m^3/ton/h$, $2.5m^3/ton/h$, and $5m^3/ton/h$ aeration rates released 315.6, 13.9, 17.9 and $9.6{\mu}g/m^2/s$ of $CH_4$ and 0.173, 0.157, 0.131, and $0.241{\mu}g/m^2/s$ of $N_2O$, respectively. Liquid swine manure applied no aeration released the most amount of GHG ($6,681.4{\mu}g/m^2/s$ $CO_2$-Eq.) and followed by $5m^3/ton/h$ ($276.4{\mu}g/m^2/s$ $CO_2$-Eq.), $2.5m^3/ton/h$ ($416.0{\mu}g/m^2/s$ $CO_2$-Eq.), and $1m^3/ton/h$ ($340.8{\mu}g/m^2/s$ $CO_2$-Eq.). Our results reveal that the aerated system may reduce GHG emissions compared to no aeration. Consequently, aeration and mixing were effective at reducing GHG emissions during liquid swine manure storage. 본 시험은 돈분뇨 액비에서 발생하는 온실가스 ($CH_4$, $N_2O$) 발생량을 조사하기 위해 수행하였으며, 처리구별로 메탄 및 아산화질소의 발생량을 비교한 결과는 다음과 같다. 돈분뇨 액비에서 발생하는 메탄량은 단순 저장, 폭기 1.0, 폭기 2.5, 폭기 $5.0m^3$/톤/시간 처리구에서 각각 315.6, 13.9, 17.9, $9.6{\mu}g/m^2/s$, 아산화질소량은 각각 0.173, 0.157, 0.131, $0.241{\mu}g/m^2/s$로 나타났으며, 이를 이산화탄소 발생량으로 환산하면, 각각 6,618.4, 340.8, 416.0, $276.4{\mu}g/m^2/s$였다. 또한 폭기처리 시 전기 사용에 따른 이산화탄소 발생량은 각각 0, 81.6, 204.0, $407.9g/m^2$/일로 나타났다. 따라서 전기사용량을 고려한 돈분뇨 액비화 과정의 폭기처리 수준에 따른 총 이산환탄소 발생량은 각각 577.3, 111.0, 239.9, $431.8g/m^2$/일로서 돈분뇨 액비화 처리과정시 호기적 처리를 하게 되면 단순저장에 비해서 메탄 및 아산화질소 등의 온실가스 발생량이 저감되는 것으로 조사되었으며 적절한 폭기량은 $1.0{\sim}2.5m^3$/톤/시간으로 나타났다.
Author Yang, Seong-Hak
황옥화
유용희
Ahn, Hee-Kwon
박규현
Yoo, Yong-Hee
양승학
Park, Kyu-Hyun
Hwang, Ok-Hwa
곽정훈
Kwag, Jung-Hoon
Cho, Sung-Back
안희권
조성백
최동윤
Choi, Dong-Yoon
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Snippet This study was carried out to investigate greenhouse gas (GHG), $CH_4$ and $N_2O$, emission from liquid swine manure according to aeration levels in summer. To...
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Title 돈분뇨 액비의 폭기수준에 따른 여름철 온실가스 배출량 비교
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