화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.10, No.6, 869-876, November, 2004
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Production of Hydrogen and Carbon Nanotubes from Methane
Sharif Hussein Sharif Zein, Abdul Rahman Mohamed†, P. Sesha Talpa Sai, and Noor Asmawati Mohd Zabidi1
  • School of Chemical Engineering, Engineering Campus, Universiti Sains Malaysia, Engineering Campus, 14300 Nibong Tebal, Seberang Prai Selatan, Pulau Pinang, Malaysia
  • 1Chemical Engineering Program, Universiti Teknologi PETRONAS, 31750 Tronoh, Perak, Malaysia
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The decomposition of methane to produce hydrogen and carbon has been investigated experimentally using 15 mol% M/20 mol% NiO/TiO2 catalysts (where M=MnOX, FeO, CoO, and CuO). The physical properties of these catalysts were obtained and their performances were evaluated for the conversion of methane and the CO and hydrogen yields. These catalysts were used in the experiments without any pretreatment. XRD patterns and TEM images of these catalysts show the morphological changes that are due to dopant addition. The results indicate the remarkable influence on the catalytic activity provided by doping. While different types of filamentous carbons are formed on the various Ni-containing catalysts, attractive carbon nanotubes were observed on the Mn/Ni/TiO2-based catalyst. TEM studies on the used catalyst suggest that its stability depends on growth rate and the morphological structure of the formed carbon.
Keywords:methane decomposition;hydrogen production;filamentous carbon
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