CAS OpenIR  > 中科院上海应用物理研究所2011-2018年
Functionalized polyethylene fibers for the selective capture of palladium ions from aqueous solution
Pang, LJ; Li, R; Hu, JT; Zhang, LJ; Zhang, MX; Yang, CG; Wu, GZ
2018
Source PublicationAPPLIED SURFACE SCIENCE
ISSN0169-4332
Volume433Pages:116-124
Subtype期刊论文
AbstractAn innovative ultrahigh molecular weight polyethylene (UHMWPE) fibrous adsorbent was successfully synthesized via radiation grafting and applied to the selective capture of palladium ions from dilute aqueous solutions. The influence of the pH, initial Pd(II) concentration, and temperature on the adsorption performance was examined in a batch adsorption experiment. Pd K-edge extended X-ray absorption fine structure (EXAFS) spectra indicated that Pd(II) was immobilized on the adsorbent surface via a ligand exchange reaction that formed a stable UHMWPE-PMDA-Pd complex. Although the concentrations of coexisting ions (Cu(II), Zn(II), Cr(VI), Fe(III), and Ni(II)) in the solution were much higher than that of Pd(II), the adsorption capacity for Pd(II) of the as-prepared absorbent was significantly greater than that for other metal ions. Kinetic studies showed good correlation with the pseudo-second-order model. The maximum capacity for Pd(II) adsorption was approximately 221.8 mg.g(-1) at 298 K. The adsorption behavior conformed to the Langmuir isotherm model. Thermodynamic studies revealed that the adsorption of Pd(II) was a feasible, spontaneous, and endothermic process. (C) 2017 Elsevier B.V. All rights reserved.
KeywordLinked Chitosan Resin Noble-metal Ions Chelating Fiber Adsorption Characteristics Pd(Ii) Adsorption Mechanism Recovery Waste Preconcentration Extraction
DOI10.1016/j.apsusc.2017.10.041
Indexed BySCI
Language英语
WOS IDWOS:000418883800015
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/29029
Collection中科院上海应用物理研究所2011-2018年
Affiliation1.Pang, LJ
2.Li, R
3.Hu, JT
4.Zhang, LJ
5.Zhang, MX
6.Yang, CG
7.Wu, GZ
Recommended Citation
GB/T 7714
Pang, LJ,Li, R,Hu, JT,et al. Functionalized polyethylene fibers for the selective capture of palladium ions from aqueous solution[J]. APPLIED SURFACE SCIENCE,2018,433:116-124.
APA Pang, LJ.,Li, R.,Hu, JT.,Zhang, LJ.,Zhang, MX.,...&Wu, GZ.(2018).Functionalized polyethylene fibers for the selective capture of palladium ions from aqueous solution.APPLIED SURFACE SCIENCE,433,116-124.
MLA Pang, LJ,et al."Functionalized polyethylene fibers for the selective capture of palladium ions from aqueous solution".APPLIED SURFACE SCIENCE 433(2018):116-124.
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