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9篇 您的检索式:作者名="Fereshteh Meshkani"
    题名 作者 年代 出处 被引量
1CO_2 reforming of methane over nickel catalysts supported on nanocrystalline MgAl_2O_4 with high surface area显示文摘In this paper dry reforming of methane (DRM) was carried out over nanocrystalline MgAl2O4-supported Ni catalysts with various Ni loadings. Nanocrystalline MgAl2O4 spinel with high specific surface area was synthesized by a co-precipitation method with the addition of pluronic P123 triblock copolymer as surfactant, and employed as catalyst support. The prepared samples were characterized by X-ray diffraction (XRD), N2 adsorption, H2 chemisorption, temperature-programmed reduction (TPR), temperature-programmed oxidation (TPO), temperature- programmed desorption (TPD) and transmission and scanning electron microscopies (TEM, SEM) techniques. The obtained results showed that the catalyst support has a nanocrystalline structure (crystal size: about 5 nm) with a high specific surface area (175 m2 g-1) and a mesoporous structure. Increasing in nickel content decreased the specific surface area and nickel dispersion. The prepared catalysts showed high catalytic activity and stability during the reaction. SEM analysis revealed that whisker type carbon deposited over the spent catalysts and increasing in nickel loading increased the amount of deposited carbon. The nickel catalyst with 7 wt% of nickel showed the highest catalytic activity.Narges Hadian Mehran Rezaei Zeinab Mosayebi Fereshteh Meshkani 2012Journal of Natural Gas Chemistry2012,21,2:6
2Effect of Ni loadings on the activity and coke formation of MgO-modified Ni/Al_2O_3 nanocatalyst in dry reforming of methane显示文摘MgO-modified Ni/Al2O3 catalysts with different Ni loadings were prepared and employed in dry reforming of methane(DRM). The effect of Ni loadings on the activity and coke formation of Ni/MgO-Al2O3 catalysts were investigated. The synthesized catalysts were characterized by XRD, N2adsorption-desorption, SEM, TPO and TPR techniques. The obtained results showed that increasing nickel loading decreased the BET surface area and increased the catalytic activity and amount of deposited carbon. In addition, the effect of gas hourly space velocity(GHSV) and feed ratio were studied.Zahra Alipour Mehran Rezaei Fereshteh Meshkani 2014Journal of Energy Chemistry2014,23,5:6
3Ni catalysts supported on nanocrystalline magnesium oxide for syngas production by CO_2 reforming of CH_4显示文摘CO2 reforming of methane (CDRM) was carried out over MgO supported Ni catalysts with various Ni loadings. The preparation of MgO supported Ni catalysts via surfactant-assisted precipitation method led to the formation of a nanocrystalline carrier for nickel catalysts. The synthesized samples were characterized by XRD, N2 adsorption-desorption, H2 chemisorption, TPR, TPO and SEM techniques. It was found that the high catalytic activity and stability of the prepared catalysts could be attributable to high dispersion of reduced Ni species and basicity of support surface. In addition, the effect of feed ratio, nickel loading and GHSV on the catalytic performance of CDRM over the catalysts were investigated.Fereshteh Meshkani Mehran Rezaei 2011Journal of Natural Gas Chemistry2011,20,2:4
4Nanocrystalline MgO supported nickel-based bimetallic catalysts for carbon dioxide reforming of methane显示文摘Fereshteh Meshkani Mehran Rezaei 2010International Journal of Hydrogen Energy2010,,19:1
5Preparation of promoted nickel catalysts supported on mesoporous nanocrystalline gamma alumina for carbon dioxide methanation reaction显示文摘Soudabeh Rahmani Mehran Rezaei Fereshteh Meshkani 2014Journal of Industrial and Engineering Chemistry2014,,:1
6Autothermal reforming of methane over Ni catalysts supported on nanocrystalline MgO with high surface area and plated-like shape显示文摘Mehran Rezaei Fereshteh Meshkani Abolfazl Biabani Ravandi Behzad Nematollahi Atiyeh Ranjbar Narges Hadian Zeinab Mosayebi 2011International Journal of Hydrogen Energy2011,,18:1
7Nickel catalyst supported on magnesium oxide with high surface area and plate-like shape: A highly stable and active catalyst in methane reforming with carbon dioxide显示文摘Fereshteh Meshkani Mehran Rezaei 2011Catalysis Communications2011,,11:1
8Autothermal reforming of methane over Ni catalysts supported on nanocrystalline MgO with high surface area and plated-like shape显示文摘Mehran Rezaei Fereshteh Meshkani Abolfazl Biabani Ravandi Behzad Nematollahi Atiyeh Ranjbar Narges Hadian Zeinab Mosayebi 2011International Journal of Hydrogen Energy2011,,18:1
9Nickel catalyst supported on magnesium oxide with high surface area and plate-like shape: A highly stable and active catalyst in methane reforming with carbon dioxide显示文摘Fereshteh Meshkani Mehran Rezaei 2011Catalysis Communications2011,,11:1
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