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Study on the production of porous CuO/MnO2 using the mix proportioning method and their properties
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  • Journal title : Analytical Science and Technology
  • Volume 28, Issue 3,  2015, pp.182-186
  • Publisher : The Korean Society of Analytical Science
  • DOI : 10.5806/AST.2015.28.3.182
 Title & Authors
Study on the production of porous CuO/MnO2 using the mix proportioning method and their properties
Kim, W.G.; Woo, D.S.; Cho, N.J.; Kim, Y.O.; Lee, H.S.;
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In this study, the porous CuO/MnO2 catalyst was prepared through the co-precipitation process from an aqueous solution of potassium permanganate (KMnO4), manganese(II) acetate (Mn(CH3COO)2·4H2O) and copper(II) acetate (Cu(CH3COO)2·H2O). The phase change in MnO2 was analyzed according to the reaction molar ratio of KMnO4 to Mn(CH3COO)2. The reaction mole ratio of KMnO4 to Mn(CH3COO)2·4H2O was varied at 0.3:1, 0.6:1, and 1:1. The aqueous solution of Cu(CH3COO)2 was injected into a mixed solution of KMnO4 and Mn(CH3COO)2 to 10~75 wt% relative to MnO2. The Cu ion co-precipitates as CuO with MnO2 in a highly dispersed state on MnO2. The physicochemical property of the prepared CuO/MnO2 was analyzed by using the TGA, DSC, XRD, SEM, and BET. The different phase types of MnO2 were prepared according to the reaction mole ratio of KMnO4 to Mn(CH3COO)2·4H2O. The results confirmed that the porous CuO/MnO2 catalyst with γ-phase MnO2 was produced in the reaction mole ratio of KMnO4 to Mn(CH3COO)2 as 0.6:1 at room temperature.
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