Cu -Nb1.1- (x = 0.45, 0.35, 0.25, 0.15) bimetal oxides catalysts for the low temperature selective catalytic reduction of NO with NH3

A Review of Low Temperature NH3-SCR for Removal of NOx

“…Besides Mn, Fe, and Co oxides, CuO x has also been considered in the bimetallic catalyst formulations for low-temperature NH 3 -SCR reaction [69,70]. For instance, Ali et al [71] reported the Cu x -Nb 1.1-x (x = 0.45, 0.35, 0.25, 0.15) bimetal oxides catalysts and found that the Cu/Nb ratio was crucial in enhancing the NH 3 -SCR activity. As shown in Figure 5a,b, all binary Cu x -Nb 1.1-x oxides exhibited significantly higher activity than the CuO x and Nb 2 O 5 , and among the Cu x -Nb 1.1-x samples, Cu 0.25 -Nb 0.85 catalyst displayed the best performance in a wide temperature window of 180-330 • C (>90% NO conversion).…”

Comprehensive understanding of the superior performance of Sm-modified Fe2O3 catalysts with regard to NO conversion and H2O/SO2 resistance in the NH3-SCR reaction

“…In recent years, other metal oxides, including Mn, Fe, Co, and Cu oxides, were employed to prepare deNOx catalysts [9][10][11]. Yan et al [9] reported that the MnFeOx catalyst showed promising NH3-SCR activity in the 80-200 °C temperature range because of the strong interaction between Mn and Fe.…”

Tunable preparation of highly dispersed NixMn-LDO catalysts derived from NixMn-LDHs precursors and application in low-temperature NH3-SCR reactions

“…Generally, a large specic surface area can provide maximum active and adsorption sites, which might be favorable to the improvement of catalytic activity. 44 The Ni 5 Mn-LDO catalyst presented a large specic surface area (70 m 2 g À1 ), suitable average pore diameter (9.35 nm) and pore volume (0.17 cm g À1 ), resulting in the desirable SCR activity. 43,45 3.2.5 NH 3 -TPD analysis.…”