Preparation of thiol-based modified sallow psammophila wood membrane by wet spinning: application in adsorption of Hg2+
Source abstract
Abstract
A new adsorbent, thiol-based modified Sallow Psammophila wood Membrane (TSPPM), was successfully synthesized by wet spinning method. At the same time, the adsorption and recycling performance of Hg2+ was evaluated. The kinetics and isotherms of the adsorption process are consistent with the Pseudo-second-order and Langmuir isotherms models, respectively, and the maximum adsorption is 1715.1 mg/g under optimal conditions. The samples were characterized using SEM, BET, FTIR, and XPS. The results suggest that the main groups adsorbed Hg2+ are -SH, C = O, –NH. There is a strong interaction between thiol groups on TSPPM and Hg2+ in aqueous solutions, thus the adsorption capacity is enhanced. Additionally, experiments have shown that TSPPM exhibits excellent adsorption selectivity and reuse for Hg2+. This research lays a foundation for the development of cost-effective, versatile and environmentally friendly Hg adsorbents.
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Research context
OpenAlex topics: Adsorption and biosorption for pollutant removal · Recycling and Waste Management Techniques · Nanomaterials for catalytic reactions
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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