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Received February 1, 2012
Accepted March 4, 2012
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하수슬러지를 활용하여 제조한 흡착제의 고정흡착층에서의 H2S 흡착특성
Adsorption Characteristics of H2S on Adsorbent Made by Sewage Sludge in Fixed Bed Adsorption Column
대전대학교 환경공학과, 300-716 대전시 동구 대학로 62
Department of Environmental Engineering, Daejeon University, 62 Daehak-ro, Dong-gu, Daejeon 300-716, Korea
Korean Chemical Engineering Research, August 2012, 50(4), 718-722(5), NONE Epub 25 July 2012
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Abstract
하수슬러지를 탄화 및 활성처리하여 흡착제를 제조하였으며, 이를 이용한 황화수소 흡착특성을 고찰하였다. 제조된 흡착제에 대한 BET 및 SEM 분석, 요오드 흡착능측정 등의 물성분석을 실시하였으며, 황화수소를 대상으로 연속식의 고정흡착층을 이용한 파과특성을 고찰하였다. 실험변수로는 흡착온도(25~45 ℃), 가스유량(0.1~2.0 liter/min), 가스농도(50~200 ppm), 형상비(L/D)(3~9) 등이 적용되었다. 실험결과, 하수슬러지는 탄화 및 활성화과정을 통해 커다란 성능향상이 이뤄짐을 알 수 있었다.
H2S adsorption characteristics of adsorbent made by sewage sludge were investigated. For analyses of the manufactured adsorbent, various methods such as Iodine adsorptivity, scanning electron microscope (SEM), and measurements of BET surface area and pore volume were adopted. As the major adsorption characteristic, breakthrough curve was measured by using a continuous fixed bed adsorption column for operating variables such as adsorption temperature_x000D_
(25~45 ℃), aspect ratio (L/D)(3~9), gas flow rate (0.1~2.0 liter/min) and H2S gas concentration (50~200 ppm). The experimental result showed that the carbonization and activation of sewage sludge are very important for the improvement in H2S adsorption capacity.
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