The effect of H2O on the reduction of SO2 and NO by CO on La2O2S

Recovery of elemental sulphur via selective catalytic reduction of SO 2 over sulphided CoMo/γ-Al 2 O 3 catalysts

“…From Fig. 1, it is evident that SO 2 conversion efficiency, selectivity of SO 2 reduction to elemental sulphur, and elemental sulphur yield increase with the increase in temperature whilst the selectivity of COS formation decreases, which are consistent with what was reported by others [15,16].…”

“…Several catalysts, such as Pt-Au bimetallic catalyst [12,14], La 2-O 2 S catalyst [15,16], were developed for the selective reduction of SO 2 . In spite of good catalytic performance in SO 2 reduction to elemental sulphur using CO as an agent, the use of expensive noble metals and rare earth metals as the active components limits the large-scale use of these catalysts.…”

Acidic Electrochemical Reduction of CO2 Using Nickel Nitride on Multiwalled Carbon Nanotube as Selective Catalyst

“…The Ni 3 N/MCNT-1 material was further analyzed by X-ray photoelectron spectroscopy (XPS) as shown in Figure b,c. The high-resolution N 1s XPS spectrum of Ni 3 N/MCNT-1 was fit into five peaks at 397.1, 397.8, 399.2, 400.1, and 402.8 eV, and they were assigned to pyridinic-N, pyrrolic-N, Ni–N in Ni 3 N, graphitic-N, and N–O, respectively. − The XPS spectrum of N-doped MCNT was similar to that of Ni 3 N/MCNT-1, only lacking the Ni–N and N–O peaks (Figure d). This confirms that nitrogen has been doped into Ni 3 N/MCNT after thermal ammonolysis of Ni­(OH) 2 /MCNT nanocomposites.…”

Improving the Activity of Rh/Al2O3 Catalyst for NO Reduction by Na Addition in the Presences of H2O and O2

“…In recent years, many studies have addressed the effect of H 2 O on the catalyst for NO reduction [8][9][10][11][12][13][14][15][16] (Table 1). The major effects of H 2 O on the catalysts include: (1) competition with NO and reductant to adsorbed on the active sites of catalysts; (2) inhibit the formation of reaction intermediate; (3) promote or inhibit the adsorption of reductant, and (4) alter the chemical state of active metals.…”