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 in | 축산시설환경학회지 Vol. 17; no. 3; pp. 163 - 170 |
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Main Authors | , , , , , , , , , , , , , , , |
Format | Journal Article |
Language | Korean |
Published |
(사)한국축산환경학회
01.12.2011
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Subjects | |
Online Access | Get full text |
ISSN | 1226-0274 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. |
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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... 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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