화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Journal of Chemical Engineering, Vol.19, No.5, 735-741, September, 2002
DOI10.1007/BF02706961  Export Citation
Partial Oxidation of Methane over Nickel Catalysts Supported on Various Aluminas
Zhong-Wen Liu, Ki-Won Jun†, Hyun-Seog Roh, Sang-Eon Park, and Young-Sam Oh1, †
  • Chemical Technology Division, Korea Research Institute of Chemical Technology, P. O. Box 107, Yuseong, Daejeon 305-600, Korea
  • 1LNG Technology Research Center, Korea Gas Corporation, Dongchun-Dong, Yeonsu-Ku, Incheon 406-130, Korea
E-mail:,
Partial oxidation of methane (POM) was systematically investigated in a fixed bed reactor over 12 wt% Ni catalysts supported on α-Al2O3, γ-Al2O3 and θ-Al2O3 which were prepared at different conditions. Results indicate that the catalytic activity toward POM strongly depends on the BET surface area of the support. All the Ni/θ-Al2O3 catalysts showed high activity toward POM due to the less formation of inactive NiAl2O4 species, the existence of NiOx species and stable θ-Al2O3 phase. Although Ni/γ-Al2O3 showed the highest activity toward POM, long-time stability cannot be expected as a result of the deterioration of the support at higher temperature, which is revealed from BET results. From the reaction and characterization results, it is inferred that the optimal conditions for the preparation of θ-Al2O3 are 1,173 K and 12 h.
Keywords:Partial Oxidation of Methane;Ni Catalyst;θ-Al2O3;α-Al2O3;γ-Al2O3
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