Oxalate route for promoting activity of manganese oxide catalysts in total VOCs’ oxidation: effect of calcination temperature and preparation method

Abstract

Oxalate route was applied to synthesize mesoporous manganese oxides and their catalytic activity for VOCs’ oxidation was significantly promoted.

Extremely efficient full solar spectrum light driven thermocatalytic activity for the oxidation of VOCs on OMS-2 nanorod catalyst

“…Because of its unique structural characteristics, OMS-2 has been extensively investigated for diverse applications of thermocatalytic oxidation such as chemical synthesis, cleanup of organic pollutants [29][30][31][32][33][34][35][36][37]. Recently, we developed an approach of hydrothermal redox reaction to prepare OMS-2 nanorods with tunable concentration of oxygen vacancy defects (OVDs).…”

Tricobalt tetraoxide-supported palladium catalyst derived from metal organic frameworks for complete benzene oxidation

“…As reported by Zhu et al that the conversion of toluene over porous Co 3 O 4 -MOF is less than 30 % below 250°C [34]. Because the oxidation of benzene is more difficult than toluene [11,14,[35][36][37], the PdO x would play an essential role in the catalytic oxidation, although it also occurs on Co 3 O 4 simultaneously. Figure 6a Tricobalt tetraoxide-supported palladium catalyst derived from metal organic frameworks for… catalytic performance with its T 10 , T 50 , and T 90 of 142, 185 and 221°C, respectively.…”

“…With respect to the fabrication of porous structure, many methods including the template-free oxalate route and nanocasting strategy are applied [11]. For example, Yang et al reported that the physicochemical properties and catalytic activity of Ti-containing mordenite (Ti-MOR) zeolites with different morphologies exhibit regular changes with the increase of crystal length along the c-axis [12].…”

Limited nanospace for growth of Ni–Mn composite oxide nanocrystals with enhanced catalytic activity for deep oxidation of benzene

“…6. The profile of the single MnO x shows two reduction peaks at 285 • C and 416 • C, respectively, which can be ascribed to the reduction of MnO x to Mn 3 O 4 and Mn 3 O 4 to MnO [15,25,41,42]. In terms of pure nickel oxide, one wide peak is observed at about 416 • C and some shoulder peaks can also be seen such as the peak at 329 • C. The asymmetrical reduction peak of nickel oxide implies the presence of at least two processes: the Ni 3+ → Ni 2+ reduction and the Ni 2+ → Ni 0 reduction [16,36,41,43].…”