. 2020 Jun 28;5(27):16865–16874. doi: 10.1021/acsomega.0c02065

Table 4. Direct H₂O₂ Synthesis and Degradation Testing over Different Catalysts.

catalyst	H₂O₂ production^a (mmol g_Pd^–1 h^–1)	H₂O₂ degradation^b (mmol kgcat^–1 h^–1)	H₂O₂ selectivity (%)
Pd/HTS-1
500 °C, 4 h, air	5310	44,780	34.65
+reduced 400 °C, 2 h	7460	70,530	18.91
+500 °C, 6 h, air	2330	49,850	21.53
Pd@HTS-1
500 °C, 4 h, air	23,666	27,980	42.45
+reduced 400 °C, 2 h	32,370	29,880	29.78
+500 °C, 6 h, air	35,705	26,650	47.69

Reaction conditions: H₂/Ar (2.9 MPa) and O₂/Ar (1.1 MPa), 8.5 g of solvent (2.9 g of HPLC water, 5.6 g of MeOH), 0.02 g of 0.1 wt % Pd catalyst, RT, 1200 rpm, 30 min.

Reaction conditions: H₂/Ar (2.9Mpa), 8.5 g of solvent (5.6 g of MeOH, 2.22 g of H₂O, and 0.68 g of 30 wt % H₂O₂), 0.02 g of 0.1 wt % Pd catalyst, RT, 1200 rpm, 30 min.

Table 4. Direct H2O2 Synthesis and Degradation Testing over Different Catalysts.

Table 4. Direct H₂O₂ Synthesis and Degradation Testing over Different Catalysts.