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Selective Catalytic Reduction of NOx with NH3 over a Cu-SSZ-13 Catalyst Prepared by a Solid-State Ion-Exchange Method



A solid-state ion-exchange method was developed to synthesize Cu-SSZ-13 catalysts with excellent performance in the selective catalytic reduction of NOx with NH3 (NH3-SCR) and with durable hydrothermal stability. Experiments provide evidence that isolated Cu ions were successfully exchanged into the pores, which are the active centers for the NH3-SCR reaction.

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