Hodala, Janardhan L. Jung, Jae-Sun Yang, Eun-Hyeok Hong, Gi Hoon Noh, Young Su Moon, Dong Ju 2024-01-20T01:33:06Z 2024-01-20T01:33:06Z 2021-09-01 2017-05 0922-6168 https://pubs.kist.re.kr/handle/201004/122791 Nickel-based catalysts were prepared by co-precipitation method and applied for the CO2 conversion to synthetic natural gas. Two batches of catalysts were prepared with the different amount of Ni and were characterized by various techniques such as XRD, TPD, TPR, XPS, and TEM. Catalytic activity was studied under atmospheric pressure, a temperature of 350 A degrees C, GHSV of 2000 h(-1) and N-2:CO2:H-2 = 4:1:4. Highest CO2 conversion achieved was 70 with 99 % selectivity to methane. The activity of catalysts depends on the nickel content and nickel dispersion. Selectivity to methane depends inversely on the concentration of weak and moderate strength basic sites. Comparable quantity of basic sites present over catalysts, the methane selectivity is observed to be similar but the CO2 conversion changed due to change in Ni content. Catalysts having equal amounts of Ni exhibited increase in CH4 selectivity with the decrease in basic sites. English SPRINGER CARBON-DIOXIDE LOW-TEMPERATURE KINETICS RH/TIO2 SYNGAS FE Hydrogenation of CO2 to synthetic natural gas over supported nickel catalyst: effect of support on methane selectivity Article 10.1007/s11164-016-2804-4 1 RESEARCH ON CHEMICAL INTERMEDIATES, v.43, no.5, pp.2931 - 2943 RESEARCH ON CHEMICAL INTERMEDIATES 43 5 2931 2943 scie scopus 000399256100016 2-s2.0-84995466781 Chemistry, Multidisciplinary Chemistry Article CARBON-DIOXIDE LOW-TEMPERATURE KINETICS RH/TIO2 SYNGAS FE CO2 activation Synthetic natural gas Ni supported catalysts Support effect Basicity