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Influence of Na, P and (Na + P) poisoning on a model copper-ferrierite NH3-SCR catalyst

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Academic year: 2021

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Table 1. Catalysts characterizations and NH 3 -SCR activities at 250 °C and 500 °C in standard and fast- fast-SCR
Figure 2. Effect of the inorganic elements on H 2 -TPR profiles of (–): Cu/FER, (–): Cu/FER@(830 Na), (–):
Figure 3. Exchanged copper distribution (A) and copper reduction rate up to 350 °C (B) in function of inorganic compounds content
Figure 4. IR spectra in the  (OH) region of (–) Cu/FER sample and materials with the higher content in minerals- minerals-contain: (–) Cu/FER@(830 Na); (–): Cu/FER@(750 P); (–): Cu/FER@(735 Na+P)
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