Browse Publications Technical Papers 2007-01-1919
2007-07-23

Study on low temperature oxidation of diesel particulate matters by oxygen storage component for the catalyzed diesel particulate filter 2007-01-1919

Oxygen storage components (OSC) based on cerium (Ce) were investigated for their ability to reduce the oxidation temperature of diesel particulate matter (DPM). Among the materials investigated, a cerium-praseodymium (Ce-Pr) composite oxide provided the largest reduction in DPM oxidation temperature. Oxygen isotope tracer experiments revealed that oxygen released from the cerium oxidized the DPM at a lower temperature than the oxygen from the exhaust.

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