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Modification of CeO2-ZrO2 catalyst by potassium for NOx-assisted soot oxidation

✍ Scribed by Duan Weng; Jia Li; Xiaodong Wu; Zhichun Si

Book ID
114336635
Publisher
IOS Press
Year
2011
Tongue
English
Weight
168 KB
Volume
23
Category
Article
ISSN
1878-7320

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CeO2 and Ce–Zr mixed oxides with different Ce:Zr ratios were prepared; characterised by Raman spectroscopy, XRD, TEM, N2 adsorption at βˆ’196 °C, and H2-TPR; and tested for soot oxidation under NO x /O2. Among the different mixed oxides, Ce0.76Zr0.24O2 provided the best results. Ce0.76Zr0.24O2 present