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中南大学学报(英文版)

Journal of Central South University

Vol. 21    No. 5    May 2014

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Novel synthesis of nickel oxide microsphere with high surface area and its catalytic application for carbon dioxide reforming of methane
WU Xu(吴旭), WU Zheng-huang(武正簧), AN Xia(安霞), XIE Xian-mei(谢鲜梅)

College of Chemistry and Chemical Engineering, Taiyuan University of Technology, Taiyuan 030024, China

Abstract:Nickel oxide (NiO) microsphere with a large surface area was novelly synthesized through nickel bicarbonate (Ni(HCO3)2) precursor. The obtained nickel oxide (NiO) microsphere was characterized by X-ray pattern diffraction, scanning electron microscopy, CO2 temperature-programmed desorption, H2 temperature-programmed reduction, N2 adsorption/desorption and laser scattering particle size distribution analyzer. It was found that nickel oxide (NiO) synthesized by the thermal decomposition of Ni(HCO3)2 through area hydrolysis, presented very nice microsphere with high surface area. The catalytic properties of obtained nickel oxide (NiO) microsphere were studied in the reaction of carbon dioxide reforming of methane where 91.3% conversion of CH4 with 93% conversion of CO2 was observed. Besides, the catalyst maintained high stability over 200 h on the stream.

 

Key words: synthesis; NiO microsphere; large surface area; catalysis

中南大学学报(自然科学版)
  ISSN 1672-7207
CN 43-1426/N
ZDXZAC
中南大学学报(英文版)
  ISSN 2095-2899
CN 43-1516/TB
JCSTFT
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