Paper Title:
Selective Methanation of CO over Mesoporous Nano Zirconian Supported Ni Catalysts
  Abstract

Mesoporous nano zirconian was prepared by the self-assembly route using hexadecyltrimethyl ammonium bromide (CTAB) surfactant and employed as support for Nickel catalysts for selective methanation of CO. The CO methanation catalytic performance of the synthesized mesoporous nano zirconia-supported Ni-based catalysts was investigated, and the catalysts were charactered by TG/DSC, BET and XRD techniques. The results showed that, when the Ni loading was under 7.5 wt%, almost all the nickle species were in the form of nanoscale crystallites that finely distributed on the mosoporous nano zirconian surface. These well dispersive nickle species presented unique high activity and selectivity for CO methanation. For all the catalysts studied, the 7.5 wt%Ni/ZrO2 catalyst was the most effective one, which showed a higher than 99% of CO conversion in the CO/CO2 competitive methanation reactions over the temperature interval of 260~280°C, while the CO2 conversion was held at the low level.

  Info
Periodical
Advanced Materials Research (Volumes 236-238)
Edited by
Zhong Cao, Yinghe He, Lixian Sun and Xueqiang Cao
Pages
829-834
DOI
10.4028/www.scientific.net/AMR.236-238.829
Citation
Q. H. Liu, L. W. Liao, X. H. Zhou, Q. Q. Yin, "Selective Methanation of CO over Mesoporous Nano Zirconian Supported Ni Catalysts", Advanced Materials Research, Vols. 236-238, pp. 829-834, 2011
Online since
May 2011
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$32.00
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