화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Journal of Chemical Engineering, Vol.26, No.4, 1047-1052, July, 2009
DOI10.1007/s11814-009-0174-y  Export Citation
Applying spray pyrolysis to synthesize MnO(x) for decomposing isopropyl alcohol in ozone- and thermal-catalytic oxidation
Chung-Liang Chang, Yu-Chih Lin†, Hsunling Bai1, and Yu-Huei Liu1
  • Department of Environmental Engineering and Health, Yuanpei University, Hsinchu City, Taiwan
  • 1Institute of Environmental Engineering, National Chiao Tung University, Hsinchu City, Taiwan
E-mail:
Abstract.Manganese oxides (MnO(x)) were prepared by spray pyrolysis methods (Mn(S)) and calcination at 600 and 1,000 ℃ (Mn600 and Mn1000) in this study. Further, the efficiencies of oxidizing isopropanol (IPA) by these MnOx utilizing ozone (OZCO) and thermal catalytic oxidation (TCO) were compared. The results indicated that MnS, which are characterized by larger surface areas, processed gas hourly space velocity of 42,000 h^(-1) and inlet IPA concentration of 400 ppm performing IPA decomposition efficiencies approaching 100%, and the reaction temperature was operated at only 85 ℃ for OZCO. The reaction temperature of TCO operated above 270 ℃ decomposed IPA at the same efficiency.
Keywords:Manganese (Mn);Ozone;Volatile Organic Compounds (VOCs);Catalytic Oxidation
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