Citation:
XU Zhan-Lin, LIN Xian-Feng, LI Qing-Ren, LIU Yan, ZHOU Guang-Dong, BI Ying-Li, ZHEN Kai-Ji. On the Carbon Deposition on the Ni-Substituted Hexaaluminate Catalyst LaNiAl11O19[J]. Chinese Journal of Applied Chemistry,
;2001, 18(11): 908-911.
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The reactions of methane decomposition to deposited carbon, CO2 reforming of methane to deposited carbon and CO2 elimination of carbon over hexaaluminate LaNiAl11O19 catalyst have been studied as a function of the appearance, sources, kinds and activities of deposited carbon by TEM, XPS, TGA, TPR-CO2 techniques. The results showed that methane exhibited rather high decomposition activity and carbide carbon and graphitic carbon were detected. However, the activity of CO2 decomposition to deposited carbon was lower, but its activity of eliminating carbon was higher.
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Keywords:
- methane,
- CO2 reforming,
- carbon deposition,
- hexaaluminate LaNiAl11O19
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