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- W2094698937 abstract "<TEX>$MoO_3$</TEX> 분말을 723 K ~ 873 K에서 Ar+<TEX>$H_2$</TEX> 혼합기체를 이용히여 수평관상로에서 <TEX>$MoO_2$</TEX>로 훤원하였으며, 반용속도를 배가스 중의 상대습도를 측정하여 계산하였다. 반응속도는 수소가스 분압과 반응속도에 따라 현저하게 증가하였다. 환원 반응초기에 <TEX>$H_2O$</TEX>의 발생속도가 급격하게 증가하였으며, 시간의 경과에 따라 배가스 중의 <TEX>$H_2O$</TEX> 분압은 급격하게 감소하였다. 이 시기에 환원 반응율은 직선적으로 증가하였다. 환원반응 초기의 <TEX>$MoO_3$</TEX>에서 <TEX>$MoO_2$</TEX>로의 환원반응의 활성화 에너지는 73.56 kJ/mol로 계산되었다. <TEX>$MoO_3$</TEX> powders were reduced to <TEX>$MoO_2$</TEX> under Ar+<TEX>$H_2$</TEX> gas mixture in a tubular furnace at temperature range 723~873 K. Reaction rate was quantitatively deduced by measuring relative humidity of off gas. Observed reaction rate increased significantly with hydrogen partial pressure and reaction temperature and the rate of <TEX>$H_2O$</TEX> evolution increased drastically during the initial period of reduction. As reduction proceeded, however, <TEX>$H_2O$</TEX> partial pressure decreased noticeably. During the initial period of the reduction, a linear relationship for time dependence of the reduction fraction was observed. The activation energy for the reduction of <TEX>$MoO_3$</TEX> to <TEX>$MoO_2$</TEX>was 73.56 kJ/mol during the initial period of reduction." @default.
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- W2094698937 date "2011-08-31" @default.
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- W2094698937 title "Reduction Behavior of MoO3to MoO2by Ar+H2Gas Mixture" @default.
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- W2094698937 doi "https://doi.org/10.7844/kirr.2011.20.4.071" @default.
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