Low temperature hybrid plasma-catalytic methanation over Ni-Ce-Zr hydrotalcite-derived catalysts

Abstract The activity of Ceria and Zirconia-promoted Ni-containing hydrotalcite-derived catalysts was assayed in a hybrid plasma-catalytic process for the hydrogenation of carbon dioxide into methane at low temperatures and in the presence of a cold dielectric barrier discharge (DBD) plasma. High methane yields, around 80%, were measured under hybrid plasma-catalytic conditions, even at very low temperatures (110 °C, adiabatic conditions). In the absence of plasma, acceptably high CO 2 conversions and methane yields were only observed at temperatures higher than 330 °C. The presence of completely reduced Ni-crystallites of intermediate size, more readily available on the non-promoted catalysts was found to enhance the methanation reaction. Ce and Zr addition did not result in a noticeable improvement of the catalytic activity.

[1]  Zhenpeng Hu,et al.  CO2 methanation on Ru-doped ceria , 2011 .

[2]  G. G. Stokes.  "J." , 1890, The New Yale Book of Quotations.

[3]  W. A. Bakar,et al.  Effect of ceria and strontia over Ru/Mn/Al2O3 catalyst: catalytic methanation, physicochemical and mechanistic studies , 2016 .

[4]  Y. Taufiq-Yap,et al.  Highly active Ni-promoted mesostructured silica nanoparticles for CO2 methanation , 2014 .

[5]  Yu‐Wen Chen,et al.  Temperature-programmed-reduction studies of nickel oxide/alumina catalysts: effects of the preparation method , 1995 .

[6]  Andrew G. Glen,et al.  APPL , 2001 .

[7]  D. Stirling,et al.  The location of nickel oxide and nickel in silica-supported catalysts: Two forms of “NiO” and the assignment of temperature-programmed reduction profiles , 1988 .

[8]  Lei He,et al.  Unique catalysis of Ni-Al hydrotalcite derived catalyst in CO2 methanation： cooperative effect between Ni nanoparticles and a basic support , 2014 .

[9]  Anne-Cécile Roger,et al.  Catalytic CO2 valorization into CH4 on Ni-based ceria-zirconia. Reaction mechanism by operando IR spectroscopy , 2013 .

[10]  Shudong Wang,et al.  Insight into the reaction route of CO2 methanation: Promotion effect of medium basic sites , 2014 .

[11]  E. Iglesia,et al.  Structure and Surface and Catalytic Properties of Mg-Al Basic Oxides , 1998 .

[12]  Chang-jun Liu,et al.  Improved activity of Ni/MgAl2O4 for CO2 methanation by the plasma decomposition , 2015 .

[13]  G. Olah,et al.  Chemical recycling of carbon dioxide to methanol and dimethyl ether: from greenhouse gas to renewable, environmentally carbon neutral fuels and synthetic hydrocarbons. , 2009, The Journal of organic chemistry.

[14]  Miss A.O. Penney.  (b) , 1974, The New Yale Book of Quotations.

[15]  Y. Mok,et al.  Plasma-assisted catalytic methanation of CO and CO2 over Ni–zeolite catalysts , 2013 .

[16]  Wei Wei,et al.  A short review of catalysis for CO2 conversion , 2009 .

[17]  G. Centi,et al.  Heterogeneous Catalytic Reactions with CO2: Status and Perspectives , 2004 .

[18]  Anne-Cécile Roger,et al.  Methanation of carbon dioxide over nickel-based Ce0.72Zr0.28O2 mixed oxide catalysts prepared by sol–gel method , 2009 .

[19]  V. Rives.  Characterisation of layered double hydroxides and their decomposition products , 2002 .

[20]  W. Gac.  Acid–base properties of Ni–MgO–Al2O3 materials , 2011 .

[21]  P. Costa,et al.  Ni-containing Ce-promoted hydrotalcite derived materials as catalysts for methane reforming with carbon dioxide at low temperature – On the effect of basicity , 2015 .

[22]  Jae-Wook Choi,et al.  Synthesis gas production via dielectric barrier discharge over Ni/γ-Al2O3 catalyst , 2004 .