期刊
JOURNAL OF APPLIED POLYMER SCIENCE
卷 139, 期 40, 页码 -出版社
WILEY
DOI: 10.1002/app.52976
关键词
heavy metal ions; polymethyl acrylate; sulfydryl
资金
- Foundation of Hunan college students' innovation and entrepreneurship education outside school base [[2016]394]
In this study, a thiol-functionalized resin (PMA-SH) was prepared and applied to the adsorption of Pb2+, Ni2+, and Hg2+ in aqueous solution. The results showed that PMA-SH exhibited good adsorption performance for these heavy metal ions and could be reused multiple times.
In this study, the thiol-functionalized resin (PMA-SH) was prepared directly by a one-step reaction of polymethyl acrylate resin (PMA) and 1,2-ethanedithiol, and it was applied to the adsorption of Pb2+, Ni2+, and Hg2+ in aqueous solution. The effects of initial concentration, temperature, contact time, and electrolyte on the adsorption of Pb2+, Ni2+, and Hg2+ were investigated. At 308 K, the saturated adsorption capacity of PMA-SH on Pb2+, Ni2+, and Hg2+ is found to be 0.94, 0.88, and 0.41 mmol/g, respectively. In addition, the experimental adsorption data were consistent with the Redlich-Peterson model and pseudo-second-order kinetic model. Overall, PMA-SH exhibited good reuse performance as well as excellent adsorption performance for Pb2+, Ni2+, and Hg2+.
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