Abstract
Carbon-covered alumina (CCA) has been reported to be a promising catalyst support or adsorbent. In the literatures, most of CCAs were prepared by pyrolysis of gaseous hydrocarbon on alumina surface, which was usually not uniformly covered by carbon. In this paper, a simple and novel process has been developed for the preparation of uniform carbon-covered alumina via pyrolysis of sucrose highly dispersed on the surface of alumina. In addition, the coverage and number of carbon layers in CCA can be easily controlled by changing the sucrose content in the precursors and the impregnation times.
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