Abstract
Metal-modified zeolites and function-matched metal organic frameworks (MOFs) have been adapted to different scenarios of sulfides capture in order to meet increasingly stringent quality requirements and environmental regulations. However, achieving enhanced performances of both adsorption capacity and moisture resistance is still challenging. In this study, we provided an approach to the synthesis of [email protected] hybrid composite for enhanced sulfides capture and moisture resistance. Multiple characterizations confirmed the hybrid structure of [email protected] Additionally, computational simulation and dynamic adsorption measurement were combined to evaluate the adsorption of several typical sulfides on synthesized adsorbents, and reveal the competitive adsorption mechanism. Both Ag species and ethanol solvent lead to the partial reduction of Cu(II) to Cu(I) within the [email protected] framework. The dynamic adsorption capacity of the [email protected] is 1.54 times and 1.38 times higher than those of the parent AgY and Cu-BTC, respectively. Moreover, the [email protected] retains much more adsorption capability for sulfides than the AgY sample with the same water content. Present study highlights the competitive adsorption of various sulfides on the hybrid structures as well as the influences of pre-adsorbed water on sulfide adsorption, and provides insights into the function-oriented development of adsorption materials.
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