Calcined hydrotalcites for the catalytic decomposition of N2O in simulated process streams

Promotion Effects and Mechanism of Alkali Metals and Alkaline Earth Metals on Cobalt−Cerium Composite Oxide Catalysts for N2O Decomposition

“…N 2 O is produced by both natural and anthropogenic sources. To control the emission of N 2 O from chemical processes, catalysts for N 2 O decomposition have been widely studied in the past decade; these catalysts include supported metals, transition metal ion exchanged zeolites, and pure and mixed oxides (1,3,(5)(6)(7)(8)(9)(10)(11)(12)(13)(14). Supported noble metal catalysts, such as Rh and Au catalysts (5)(6)(7), show high activities in N 2 O decomposition reactions at 200-300°C.…”

An influence of thermal treatment conditions of hydrotalcite-like materials on their catalytic activity in the process of N2O decomposition

“…Hydrotalcite-like materials were reported to be very interesting precursors for synthesis of catalysts for N 2 O decomposition. Armor et al [17] studied hydrotalcite-like materials containing apart from magnesium and aluminum also cobalt, nickel, rhodium, or palladium as precursors of catalysts for N 2 O decomposition. The best results were obtained for the Co-Al sample with the Co/Al ratio of 3.…”

Catalytic decomposition of N2O over CeO2 promoted Co3O4 spinel catalyst

“…The latter include combustion sources (stationary and mobile) [4,5] and chemical processes in which nitric acid is manufactured [1,3] or used for oxidation (for example, the oxidation of cyclohexanol-cyclohexanone mixture to produce adipic acid [1,6]). To control the emission of N 2 O, many catalysts have been reported for the catalytic decomposition of N 2 O, including supported metals [7][8][9][10][11], pure and mixed oxides [12][13][14][15][16][17][18][19][20][21][22] and zeolites [2,4,23,24]. Among them, mixed oxides containing cobalt spinel showed the best catalytic activity in the decomposition of N 2 O [15][16][17][18][19][20][21][22].…”