TY - GEN
T1 - Methanol partial oxidation over palladium-, platinum-, and rhodium-integrated LaMnO3 perovskites
AU - Li, Chia Liang
AU - Lin, Yu Chuan
PY - 2011/1/1
Y1 - 2011/1/1
N2 - This study investigates methanol partial oxidation over LaMnO3 and LaMn0.95B0.05O3 (B=Pd, Pt, and Rh) perovskites. Their bulk and surface properties were characterized by appropriate physiochemical techniques including BET surface area measurement, XRD, EDS, XPS, H2-TPR, O2-TPD, and CH3OH-TPD. The characterizations showed significant differences of reducibility and oxygen activity between promoted and untainted LaMnO3. Such deviants resulted in diverse catalytic behaviors in methanol partial oxidation. Promoted perovskites showed higher reactivity than pure LaMnO3. Moreover, the redox chemistry was proposed to enhance partial oxidation route to formaldehyde while oxygen activity, particularly surface chemisorbed oxygen, played a central role in combustion. Accordingly, plausible reaction mechanism of methanol partial oxidation over LaMnO3 based perovskites was elucidated.
AB - This study investigates methanol partial oxidation over LaMnO3 and LaMn0.95B0.05O3 (B=Pd, Pt, and Rh) perovskites. Their bulk and surface properties were characterized by appropriate physiochemical techniques including BET surface area measurement, XRD, EDS, XPS, H2-TPR, O2-TPD, and CH3OH-TPD. The characterizations showed significant differences of reducibility and oxygen activity between promoted and untainted LaMnO3. Such deviants resulted in diverse catalytic behaviors in methanol partial oxidation. Promoted perovskites showed higher reactivity than pure LaMnO3. Moreover, the redox chemistry was proposed to enhance partial oxidation route to formaldehyde while oxygen activity, particularly surface chemisorbed oxygen, played a central role in combustion. Accordingly, plausible reaction mechanism of methanol partial oxidation over LaMnO3 based perovskites was elucidated.
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M3 - Conference contribution
AN - SCOPUS:85054518610
SN - 9781618397393
T3 - Catalysis and Reaction Engineering Division - Core Programming Topic at the 2011 AIChE Annual Meeting
SP - 836
EP - 868
BT - Catalysis and Reaction Engineering Division - Core Programming Topic at the 2011 AIChE Annual Meeting
PB - AIChE
T2 - Catalysis and Reaction Engineering Division - Core Programming Topic at the 2011 AIChE Annual Meeting
Y2 - 16 October 2011 through 21 October 2011
ER -