화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Journal of Chemical Engineering, Vol.38, No.6, 1197-1204, June, 2021
DOI10.1007/s11814-021-0769-5  Export Citation
Selective hydrogen combustion over Rh-Sn/Al2O3 catalysts during propane dehydrogenation
Jae-Won Jung, Kyeongseok Oh1, Kwang-Deog Jung2, †, Won Il Kim3, and Hyoung Lim Koh†
  • Department of Chemical Engineering, RCCT, Hankyong National University, Anseong 17579, Korea
  • 1Chemical and Environmental Technology Department, Inha Technical College, Inha-ro 100, Michuhol-gu, Incheon 22212, Korea
  • 2Clean Energy Research Center, Korean Institute of Science and Technology, P. O. Box 131, Cheongryang, Seoul 02792, Korea
  • 3R&D Business Lab., Hyosung Co., 74 Simin-daero, Dongan-gu, Anyang, Gyeounggi 14080, Korea
E-mail:,
A series of Rh-Sn/Al2O3 catalysts were prepared by 0.5 wt% of Rh and varied amounts of Sn from 0 to 3.0 wt%. Rh-Sn catalysts were evaluated to determine if selective hydrogen combustion(SHC) can be effectively applicable to propane dehydrogenation (PDH). PDH is an endothermic reaction and SHC can generate partial heat energy. In this study, two separate SHC reactions were examined. One was to look into the quantification of competitive combustion states over Rh-Sn catalysts in the presence of hydrogen, propylene, oxygen, and nitrogen. The other was to evaluate SHC with Rh-Sn catalysts in the presence of hydrogen, propane, oxygen, and nitrogen. The factor that we entitled A factor, was employed to analyze the effect of Sn amount. The result showed that the best performance was achieved by 0.5Rh-1.5Sn/Al2O3 catalyst for both SHC reactions. Characteristics of catalysts were analyzed by CO chemisorption, XPS, TEM-EDX and TPR.
Keywords:Rh-Sn/Al2O3;Selective Hydrogen Combustion;Hydrogen Conversion;Propane Dehydrogenation;Sn Effect
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