Research Article
Hierarchical Low Si/Al Ratio Ferrierite Zeolite by Sequential Postsynthesis Treatment: Catalytic Assessment in Dehydration Reaction of Methanol
Table 5
Results of NH3-TPD measurements.
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aTemperature of maximum desorption of NH3 between 100 and 300°C. bFractional population of sites between 100 and 300°C. cTemperature of maximum desorption of NH3 above 300°C. dFractional population of sites above 300°C. |