The effect of Li and La on NiO/Al2O3 catalyst for CH4/O2 to syngas reaction |
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| Authors: | Shenglin Liu Guoxing Xiong Weishen Yang and Shishan Sheng |
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| Institution: | (1) State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, P. O. Box 110, 116023 Dalian, P. R. China |
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| Abstract: | The thermal stability and an 80 h life test over nickel-based catalysts for CH4/O2 to syngas reaction were investigated by flow-reactor, XPS, XRD and AAS analysis. The results indicate that the introduction
of Li and La not only stabilized the support γ-Al2O3 phase, but also suppressed the sintering and loss of nickel, and in addition, enhanced the ability to suppress the carbon-deposition
over NiO/Al2O3 during the high-temperature reaction. |
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| Keywords: | Methane partial oxidation nickel-based catalysts stability sintering and loss of nickel |
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