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. 2020 Sep 1;5(36):22808–22815. doi: 10.1021/acsomega.0c01921

Table 3. Reusability Test of VPO/β-SiCa.

no. of cycles methanol conv. (%) formaldehyde sel. (%)
1 100 89.8
2 100 89.8
3 100 89.8
4 99 89.8
a

Conditions: Amount of catalyst, 0.05 g; Temp., 80 °C; time, 6 h; oxidant/TBHP and methanol/oxidant ratios, 2:1.