화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.86, 73-80, June, 2020
DOI10.1016/j.jiec.2020.02.012  Export Citation
Samarium-impregnated nickel catalysts over SBA-15 in steam reforming of CH4 process
Gharahshiran Vahid Shahed1, Zahra Taherian2, Alireza Khataee2, 3, †, Fereshteh Meshkani4, and Yasin Orooji5, †
  • 1Faculty of Metallurgy and Materials Engineering, Semnan University, Semnan, Iran
  • 2Research Laboratory of Advanced Water and Wastewater Treatment Processes, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, 51666-16471 Tabriz, Iran
  • 3Department of Environmental Engineering, Gebze Technical University, 41400 Gebze, Turkey
  • 4Catalyst and Advanced Materials Research Laboratory, Chemical Engineering Department, Faculty of Engineering, University of Kashan, Kashan, Iran
  • 5College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China
E-mail:,
Promoted Ni/SBA-15 catalysts with varying amounts of Sm promoter (0.5, 1.5, 3 and 6 wt.%) were prepared and employed in steam reforming of methane (SRM) process. The catalysts were synthesized by a two-solvent impregnation method and characterized by low and high angles XRD, BET, TPO, TEM, ED, and FE-SEM techniques. The results demonstrated that increasing in Sm content from 0.5 to 3 wt.% diminished the specific surface area of catalysts from 504 to 371 m2/g and decreased the average nickel crystallite size from 31 to 12 nm. The catalytic results exhibited that adding Sm promoter enhanced the catalytic activity from 31% in unprompted catalyst to 70% for 3 wt.% Sm-promoted catalyst. Also, the catalyst with 3 wt.% of Sm possessed the highest H2 production yield, about 66%. In addition, the TPO, TEM and ED tests revealed the formation of carbon with nanotube nature on the catalyst surface.
Keywords:Methane steam reforming;SBA-15 support;Ni catalyst;Sm promoter;Samaria
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