Optimal compositional and structural design of a LaMnO3/ZrO2/Pd-based catalyst for methane combustion

LaMnO3 Perovskite Supported Noble Metal Catalysts for the Total Oxidation of Methane

“…Pd doped perovskites have been studied in the total oxidation of hydrocarbons [3,4,[10][11][12][14][15][16][17][18]. Investigations by Cimino et al [16] of Pd/LaMnO 3 perovskites coated on cordierite monoliths have shown that a high catalytic activity for the total oxidation of methane was reached after thermal activation above the decomposition temperature of PdO to Pd.…”

“…Recently, noble metals combined with perovskites have investigated to realize a high performance automotive catalyst [10][11][12][14][15][16][17][18]. Such catalysts are termed "intelligent catalysts" since the noble metal regenerates itself during operation as a catalyst, and therefore, the catalytic activity remains constant over longer reaction times [10].…”

“…Investigations by Cimino et al [16] of Pd/LaMnO 3 perovskites coated on cordierite monoliths have shown that a high catalytic activity for the total oxidation of methane was reached after thermal activation above the decomposition temperature of PdO to Pd. The optimization of the preparation conditions of LaMnO 3 / ZrO 2 /Pd catalysts was investigated by Civera et al [18]. It was found that the introduction of ZrO 2 as a structural promoter and the application of the incipient wetness impregnation for the Pd loading led to a highly efficient catalyst for methane combustion.…”

Preparation of La-Mn-O Perovskite Catalyst by Microwave Irradiation Method and its Application to Methane Combustion

“…Perovskite, the general formula ABO 3 , is well known for its cheapness, activity and the thermal stability in methane combustion [7], where A is usually a rare earth element La, Sr, Ba, Nd, Sm and B is usually a transition metal Co, Mn, Cr, Fe and Ni [8][9][10][11]. La-Mn-O based perovskite has been found to be one of the most active perovskite oxide catalysts towards methane combustion [10,12,13].…”

Effect of A-site metal on methane combustion on 2% Pd / AMn1-x Fe x O3 (A = Ba, La, Pr; x = 0.4, 0.6, 1) perovskites

“…Pd/Al 2 O 3 is reported to be the most active catalyst for methane oxidation when excess of oxygen is present. The use of perovskites in methane combustion has been investigated, as well [1][2][3][4][5][6][7][8][9][10][11][12][13][14]. The effect on methane combustion of the A-site metal in perovskites has been studied by substituting lanthanum with another metal [1,2,9,15,16].…”