한국미생물·생명공학회지 (Microbiology and Biotechnology Letters)

  • 제30권1호
  • /
  • Pages.91-97
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  • 2002
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  • 1598-642X(pISSN)
  • /
  • 2234-7305(eISSN)
한국미생물·생명공학회 (The Korean Society for Microbiology and Biotechnology)
권호 표지

종속영양세균과 독립영양세균을 고정화한 Polyurethane Biofilter의 돈분뇨 악취제거

Removal of Malodorous Gases from Swine Manure by a Polyurethane Biofilter Inoculated with Heterotrophic and Autotrophic Bacteria.

  • 이연옥 (숭실대학교 환경ㆍ화학공학과) ;
  • 조춘구 (숭실대학교 환경ㆍ화학공학과) ;
  • 류희욱 (숭실대학교 환경ㆍ화학공학과, 바이오세인트(주) 환경생명공학연구소) ;
  • 조경숙 (이화여자대학교 국가지정 지하환경연구실)
  • 발행 : 2002.03.01
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초록

Removal of malodorous gases from swine manure by a polyurethane biofilter inoculated with heterotrophic and autotrophic bacteria was investigated. Ammonia, hydrogen sulfide and other gases could be efficiently treated at 3~3.6 second of empty bed retention time by the polyurethane biofilter. In the range of SV $200~l,200h^{-1}$ , the average removal efficiency of odor was about 89% when the odor unit of inlet gas was below 4100. Odor elimination capacity of the polyurethane biofilter was$ 1.8$\times$10^{5}$ $~5.0$\times$10^{7}$OUㆍm$^{-3}$ㆍ$h^{-1}$ that were 84~90% of the inlet load. The critical loads of $NH_3$ and $H_2$S, which mean 97% removal with respect to the inlet loads, were 31 and $27 g.m^{-3}$ ㆍ$h^{-1}$ , respectively. The maximum elimination capacities of $NH_3$ and $H_2$S were 56 and $157 gㆍm^{-3}$ ㆍh$^{-1}$ , respectively. Although the removability for$ NH_3$ and $H_2$S was not influenced by $H_2$S$NH_3$ ratio (ppmv/ppmv), the $H_2$S removability was inhibited by high $H_2$S concentration more than 80 ppmv.

키워드

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