Comparison of the catalytic performance between CB-supported and TiO2-supported Ru catalysts. Pretreatment conditions: 20 mg of catalyst diluted with 100 mg of quartz sand, 20 mL/min of 10% H2S in H2(1 bar), 900 °C, 20 min. Reaction conditions: 0.08 bar CH4and 0.24 bar H2S in He (1 bar), 12 LCH4·gcat.–1·h–1, and 900 °C.
