Fig. 4From: Recycled eggshells as precursors for iron-impregnated calcium oxide catalysts for partial oxidation of methaneEffect of methanol-to-oxygen ratio on (a) conversion of methane and oxygen, (b) selectivity of carbon oxides and total C2 hydrocarbons, (c) selectivity of C3–C6 hydrocarbons, and (d) selectivity of C2 hydrocarbons under the experimental conditions: 650 ºC, 0.8 L/min, 10 g catalyst (2% iron loading)Back to article page