fig6

Figure 6. (A) Time courses and (B) selectivity-conversion relationships of glycerol oxidation over 5Pt/Bi_xNC-900(H₂) and commercial 5Pt/C catalysts. (Reaction conditions: 5 g 10 wt.% glycerol solution, 40 mg catalyst, glycerol/Pt molar ratio = 670, O₂ flow at 150 Ncm³/min, 1,200 rpm, 60 °C.)