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Hydrogen pretreatment was processed on the amorphous Ce-Ti catalyst which notably enhanced its NH3-SCR performance. We concluded that 3-h and 400°C were the most suitable and efficient pretreatment conditions, whereas the NOx conversion rate was above 95% from 210°C to 360°C for such pretreated catalyst. XRD, PL, H2-TPR, XPS and Raman analyses found that the enhancement was attributed to the effects...
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