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Hydrothermal deactivation over CuFe/BEA and CuFe/BEA-HT for the selective catalytic reduction of NO with NH3 (NH3-SCR) were investigated with different characterizations. The hydrothermal treatment destroys BEA skeleton, losing acid sites reacting with the aerial NOx. H2-TPR and XPS reveal that the hydrothermal treatment could weaken the interaction between Cu/Fe species and the surrounding other...
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