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무창 육성$cdot$비육돈사에서의 Biofilter에 의한 악취제어 효과
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  • 무창 육성$cdot$비육돈사에서의 Biofilter에 의한 악취제어 효과
  • Odor Emission Reduction from Enclosed Growing-Finishing Pig House Using Different Biofilter Media
저자명
송준익,김태일,최희철,유용희,정종원,연규영,양창범,김두환,이진우,Song. J. I,Kim. T. I.,Choi. H. C.,Yoo. Y. H.,Jeong. J. W.,Yeon. K. Y.,Yang. C. B.,Kim. D. H.
간행물명
축산시설환경학회지
권/호정보
2005년|11권 1호|pp.55-60 (6 pages)
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한국축산시설환경학회
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

This study was conducted to determine the odor reduction efficiency of a biofilter desist using different filter materials. The summary of results are as follows; 1. The airflow penetration rate of the different filter materials namely; rice straw, woodchips, rice hulls and sawdust were 0.72 m/s, 0.64 m/s, 0.48 m/s and 0.17 m/s, respectively. 2. The elimination of $NH_3$ gas was fastest in the rice hull at a rate of 4 mg/${iota}$ followed by sawdust, woodchips and rice straw at 3 mg/${iota}$, 3 mg/${iota}$ and 7 mg/${iota}$, respectively. 3. The filter material made of wood chips was able to eliminate the offensive gas known as $H_2S$ at a rate of 2.2 mg/${iota}$ on the 7th day, 17.6 mg/${iota}$ on the 21st day but decreased to 10.7 mg/${iota}$ on the 36th day. In contrast, the filter material composed of sawdust had a continuous increase in the reduction of $H_2S$ at a rate of 12.3 mg/${iota}$ on the 7th day, 18.3 mg/${iota}$ on the 21st day and 20.1 mg/${iota}$ on the 36th day. The above findings indicated that among the filter materials, sawdust was the most effective in absorbing $H_2S$. Airflow penetration rate can be related to $H_2S$ odor elimination efficiency as shown by the slowest airflow rate of sawdust which is only 0.17 m/s.