Fig. 3From: Recycled eggshells as precursors for iron-impregnated calcium oxide catalysts for partial oxidation of methaneEffect of iron loading (wt%) on (a) conversion of methane, (b) yield of C2 hydrocarbons and carbon oxides, (c) yield of C3–C6 hydrocarbons under the experimental conditions: 650 ºC, 0.8 L/min, 10 g catalyst and CH4:O2 = 1:1. 0%—control (calcined eggshell without metal loading)Back to article page