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- W2808594892 abstract "Present paper deals with the preparation (by sol-gel method) and characterization (by H2-TPR, XPS, XRD, IR, SEM, TEM) of the Pt substituted LaMn1-xPtxO3 (x = 0,0.05,0.1,0.2,0.3) perovskite oxides and their activities towards the diesel soot oxidation at simulated atmosphere. The results show platinum enters the perovskite crystal structure when x<0.1. With the increase of platinum doping amount, the oxygen vacancy concentration on the catalyst surface increases, and H2-TPR shows that the low-temperature oxidation-reduction performance of the catalyst is improved with the increase of platinum doping amount. Catalytic oxidation of soot was studied under tight contact with soot/catalyst ratio of 1/10 under a flow rate of air at 100 ml/min. LaMn0.8Pt0.2O3 perovskite catalyst was found to give the best result for soot oxidation with the light off temperatures T10 = 339 °C, T50 = 370 °C, T90 = 405 °C. The might reaction mechanism is also presented." @default.
- W2808594892 created "2018-06-21" @default.
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- W2808594892 date "2019-05-01" @default.
- W2808594892 modified "2023-10-16" @default.
- W2808594892 title "Catalytic oxidation of diesel soot particulates over Pt substituted LaMn1-xPtxO3 perovskite oxides" @default.
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- W2808594892 doi "https://doi.org/10.1016/j.cattod.2018.06.007" @default.
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