Figures of the Article

• The experimental setup.
• (a) The DBD reactor, (b) the DBD-TCC reactor, and (c) the DBD-TUC reactor.
• XRD patterns of Co/SBA-15 catalysts.
• SEM images of Co/SBA-15 catalysts.
• Co 2p spectra of Co/SBA-15 catalysts.
• (a) Toluene degradation efficiency, and (b) CO₂ selectivity of Co/SBA-15 catalysts.
• The effects of different space velocities on (a) toluene degradation efficiency and CO₂ selectivity, and (b) catalyst zone temperature.
• (a) The catalyst zone temperature in the DBD-TCC system, and (b) the ozone concentration at the DBD outlet over discharge time. (c) Toluene degradation efficiency and energy efficiency, and (d) CO₂ selectivity across the DBD, DBD-TUC, and DBD-TCC systems.
• Toluene degradation efficiency in the DBD-TCC and thermal catalysis systems.
• (a) The FT-IR spectra, and (b) Co 2p spectra of fresh and used Co/SBA-15 catalysts.
• The degradation mechanism of the DBD-TCC system over the Co/SBA-15 catalyst.