Fig. 10
From: Low-temperature methanation of fermentation gas with Ni-based catalysts in a multicomponent system
Effects of reaction temperature on CO2 conversion and CH4 selectivity for catalysts. a refers to effects of reaction temperature on CO2 conversion for Ni-Fe/Al-Ti, Ni/TiO2 and Ni/Al2O3, b refers to effects of reaction temperature on CO2 conversion for Ni-Fe/Al-Ti, Ni/Al-Ti and Ni-Fe/Al2O3, c refers to effect of temperatures on CH4 selectivity for catalysts, d refers to activity of composite supported catalysts with different Ni loadings, e refers to effects of Ni/Fe ratios on activity catalyst loading on composite supports