%0 Journal Article %T Methanation of Syngas over Ni-Based Catalysts with Different Supports %A Buyan-Ulzii Battulga %A Munkhdelger Chuluunsukh %A Enkhsaruul Byambajav %J Advances in Chemical Engineering and Science %P 113-122 %@ 2160-0406 %D 2020 %I Scientific Research Publishing %R 10.4236/aces.2020.102008 %X CO methanation over the 20% nickel catalyst prepared by impregnation-precipitation method on different supports of commercial ¦Ă-Al₂O₃, TiO₂, SiO₂ and nano-¦Ă-Al₂O₃* was investigated. The nano-¦Ă-Al2O3* support was pulverized using a ball milling method. Catalyst characterization was done using the methods of BET, XRD, SEM, ICP-OES methods. Carbon monoxide methanation process was carried out at the temperature of 350&#176C in pressure of 3 bar of H₂:CO syngas with the molar ratio of 3:1 and with the GHSV of 3000 h^-1 in a fixed bed reactor. The initial temperature of methane formation increased according to the order of Ni/¦Ă-Al₂O₃* < Ni/SiO₂ < Ni/¦Ă-TiO₂ < Ni/¦Ă-Al₂O₃. The Ni/¦Ă-Al₂O₃*, which was prepared on the surface of nano milled ¦Ă-Al₂O₃ support, produced methane from the lowest temperature of 178&#176C to 350&#176C in CO methanation. The Ni/¦Ă-Al₂O₃* catalyst gave the highest amount of methane (0.1224 mmol/g-cat) for 1 h methanation among other catalysts. XRD and SEM analysis proved that NiO particles in the Ni/¦Ă-Al₂O₃* were finely distributed, and their sizes were smaller compared to those in the traditional one. The pulverization of ¦Ă-Al₂O₃ improved the dispersion of catalytic active nickel species inside porosity of the support leading to the improvement of its catalytic performance for CO methanation. %K CO Hydrogenation %K Water-Gas Shift Reaction %K Nano-¦Ă-Al2O3 %K Methane Productivity %U http://www.scirp.org/journal/PaperInformation.aspx?PaperID=99839