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您的检索式：作者名="SAMBETH Jorge"
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| 1 | Cerium,manganese and cerium/manganese ceramic monolithic catalysts.Study of VOCs and PM removal显示文摘Ceramic supported cerium, manganese and cerium-manganese catalysts were prepared by direct impregnation of aqueous precursor, and characterized by scanning electron microscopy(SEM), X-ray diffraction(XRD), Brunauer-Emmett-Teller method(BET), temperature programmed reduction(H_2-TPR), X-ray photoelectron spectroscopy(XPS) acidity measurements and electrical conductivity. The catalytic activity was evaluated for volatile organic compounds(VOC)(ethanol, methyl ethyl ketone and toluene) oxidation. Additionally, catalysts were tested in particulate matter(PM) combustion. The characterization results indicated that Ce was in the form of Ce^(4+) and Ce^(3+), and Mn existed in the form of Mn^(4+) and Mn^(3+) on the surface of the Mn/AC sample and in the form of Mn^(4+) in the Ce/Mn/AC monolith. VOC oxidation results revealed that the Ce/Mn/AC sample showed an excellent performance compared with ceramic supported CeO_2(Ce/AC) and MnO_x(Mn/AC) samples. The PM combustion was also higher on Ce/Mn/AC monoliths. The enhanced catalytic activity was mainly attributed to the Ce and Mn interaction which enhanced the acidity, conductivity and the reducibility of the oxides. | COLMAN-LERNER Esteban PELUSO Miguel Andres SAMBETH Jorge THOMAS Horacio | 2016 | Journal of Rare Earths2016，34，7： | 9 |
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