Journal of Korean Society of Environmental Engineers (대한환경공학회지)

Korean Society of Environmental Engineers (대한환경공학회)
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Removal of Mixed Odor(H$_2$S/CH$_3$SH) using Char Adsorbent Made from Sewage Sludge

하수슬러지 탄화물 흡착제를 이용한 혼합 악취(H$_2$S/CH$_3$SH)의 제거

  • Han, Young-Suk (Department of Environmental Engineering, Pusan National University) ;
  • Choi, Won-Joon (Green House Gas Research Center, Korean Institute of Energy Research) ;
  • Kim, Taek-Joon (Policy Planning Office, Busan Metropolitan City Hall) ;
  • Kim, Im-Gyung (Sefarfiltech Co.) ;
  • Oh, Kwang-Joong (Department of Environmental Engineering, Pusan National University)
  • 한영석 (부산대학교 환경공학과) ;
  • 최원준 (한국에너지기술연구원 온실가스 연구센터) ;
  • 김택준 (부산광역시청 정책기획실) ;
  • 김임경 ((주)세파필텍) ;
  • 오광중 (부산대학교 환경공학과)
  • Published : 2008.11.30
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Abstract

The study was carried out to investigate adsorption characteristic on hydrogen sulfide (H$_2$S) and methylmercaptan (CH$_3$SH) odor gas using the char made by a thermal decomposition of sewage sludge. The fixed bed adsorption experiments of the optimum L/D ratio could be 1.0, and adsorption capacity and break point increased with the increase of temperature. A simultaneous adsorption characteristic of H$_2$S and CH$_3$SH increased in breakthrough time and adsorption capacity more than single adsorption experiment, and CH$_3$SH had higher effective diffusivities than H$_2$S in same condition. The adsorption capacity of CH$_3$SH increased with fast velocity. When it was compared the produced absorbent with commercial activated carbon, As to adsorbent amount, it was H$_2$S 77% and CH$_3$SH 80% of commercial activated carbon.

수슬러지의 열분해를 통해 생성된 char를 이용하여 황화수소(H$_2$S), 메틸머캡탄(CH$_3$SH) 복합악취를 제거하기 위한 흡착제를 제조하여 흡착특성을 살펴보았다. 고정층 반응기 실험에서 최적의 L/D ratio는 1.0이었으며, 온도의 증가에 따라 파과점과 흡착능이 증가되었다. H$_2$S와 CH$_3$SH의 동시흡착 특성은 단일흡착 실험보다 파과점에 도달하는 시간과 흡착량이 증가하였고, 동일 조건에서 CH$_3$SH이 H$_2$S보다 높은 유효확산계수 값을 가지므로 빠른 흡착속도로 인한 흡착능의 증가를 보였다. 또한 하수슬러지로부터 제조된 탄화물은 상업용 활성탄과 비교하여 H$_2$S 77%, CH$_3$SH 80%의 성능으로 혼합 악취성가스 제거가 가능할 것으로 판단된다.

Keywords

References

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