Figure 1.

Effect of operating modes and catalysts on the reaction: a) Selectivities for oxygenates, b) selectivities for gaseous products, c) conversion of CH4 and CO2 (total flow rate 40 mL min−1, discharge power 10 W, catalyst ca. 2 g).

Effect of operating modes and catalysts on the reaction: a) Selectivities for oxygenates, b) selectivities for gaseous products, c) conversion of CH4 and CO2 (total flow rate 40 mL min−1, discharge power 10 W, catalyst ca. 2 g).