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Articles : Catalytic Oxidation of Propane over Molybdenum-Based Mixed Oxides
( Wataru Ueda ),( Young Seek Yoon ),( Kang Hee Lee ),( Yoshihiko Moro-oka ) 한국화학공학회 1997 Korean Journal of Chemical Engineering Vol.14 No.6
Catalytic oxidation of propane to produce propene was investigated over molybdenum-based mixed oxide catalysts. Cobalt or magnesium oxide combined with molybdenum oxide exhibits the best catalytic performance for the oxidative dehydrogenation of propane. Catalytic activities of both Co-Mo-O and Mg-Mo-O vary drastically on the catalyst composition and Co(Mg)_(0.95)Mo_(1.0)O_X having small amounts of free MoO₃on the Co(Mg)MoO₄surface shows the highest catalytic activity keeping a considerably high selectivity to propene. The catalytic activity also depends strongly on the acidic properties of catalysts and MoO₃clusters formed on the surface of Co(Mg)MoO₄are responsible for the activities for the oxidative dehydrogenation of propane.
Oxidation Catalysis over Crystalline Mo3VOx Catalysts for Selective oxidation of Ethane and Acrolein
( Satoshi Ishikawa ),( Wataru Ueda ) 한국공업화학회 2020 한국공업화학회 연구논문 초록집 Vol.2020 No.-
It has been well known that Mo-V based mixed oxide catalysts are extremely active for selective oxidation of ethane and acrolein. However, only a little has been known for their catalysis. In the presentation, details of the oxidation catalysis over the Mo-V based mixed oxide catalysts are investigated using the crystalline Mo3VOx (MoVO) catalysts as the examples. The catalytic activities for these reactions were originated from the heptagonal channel site in the crystal structure, while the acrolein was converted over the heptagonal channel exposed on the catalyst surface and the ethane oxidation took place inside the channel. The work presented here provides fundamental information about the oxidation catalysis for these reactions based on the crystal structure-catalytic activity relationship and offers the way for the rational catalyst design for creating the evolutional oxidation catalysts.
CATALYTIC OXIDATION OF PROPANE OVER MOLYBDENUM - BASED MIXED OXIDES
Lee, Kang Hee,oka, Yoshihiko Moro,Ueda, Wataru,Yoon, Young Seek 한국화학공학회 1997 Korean Journal of Chemical Engineering Vol.14 No.6
Catalytic oxidation of propane to produce propene was investigated over molybdenum-based mixed oxide catalysts. Cobalt or magnesium oxide combined with molybdenum oxide exhibits the best catalytic performance for the oxidative dehydrogenation of propane. Catalytic activities of both Co-Mo-O and Mg-Mo-O vary drastically on the catalyst composition and Co(Mg)_(0.95)Mo_(1.0)O_X having small amounts of free MoO₃on the Co(Mg)MoO₄surface shows the highest catalytic activity keeping a considerably high selectivity to propene. The catalytic activity also depends strongly on the acidic properties of catalysts and MoO₃clusters formed on the surface of Co(Mg)MoO₄are responsible for the activities for the oxidative dehydrogenation of propane.