A study of Cu-Mn/SiO2 catalysts for methanol synthesis
Li, J.-T. Gao, L.-Z. Zhang, W.-D. Lin, J.-Y. Chen, H.-Y. Tan, K.-L.
Li, J.-T.
Gao, L.-Z.
Zhang, W.-D.
Chen, H.-Y.
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Abstract
Cu-Mn/SiO2 impregnation catalysts were studied with respect to their catalytic activity in the synthesis of methanol. Moreover, the means of XPS, Auger, TPR and decomposition of N2O were also used to characterize the catalysts. The experimental results show that Cu(O) mostly existed on the working surface of the catalysts. The catalytic reaction was promoted by Cu with part of positive charges which was formed by means of long path exchange function between Cu⋯O-Mn. Therefore, this was favourable for adsorbing and activating CO and H2 on the surface of catalysts and for promoting methanol synthesis.
Keywords
Cu-Mn/SiO2 catalysts, Surface state of activity, Synthesis of methanol
Source Title
Kao Teng Hsueh Hsiao Hua Heush Hsueh Pao/ Chemical Journal of Chinese Universities
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Series/Report No.
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Date
1997
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Type
Article