Adsorption of Cu(II), Hg(II), and Ni(II) ions by modified natural wool chelating fibers

被引：145
作者：
Monier, M. [1 ,2 ]
Ayad, D. M. [2 ]
Sarhan, A. A. [2 ]
机构：
[1] Drexel Univ, Dept Chem, Philadelphia, PA 19104 USA
[2] Mansoura Univ, Fac Sci, Dept Chem, Mansoura, Egypt
来源：
JOURNAL OF HAZARDOUS MATERIALS | 2010年 / 176卷 / 1-3期
关键词：
Wool; Grafting; Polyethylacrylate; Polyacrylic hydrazide; Isatin; CHEMICALLY-MODIFIED WOOL; ANTIMICROBIAL PROPERTIES; AQUEOUS-SOLUTIONS; METAL-CATIONS; GEL BEADS; BINDING; MICROSPHERES; EQUILIBRIUM; CADMIUM(II); MERCURY(II);
D O I：
10.1016/j.jhazmat.2009.11.034
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The graft copolymerization of ethyl acrylate (EA) onto natural wool fibers initiated by potassium persulphate and Mohr's salt redox initiator system in limited aqueous medium was carried out in heterogeneous media. Ester groups of the grafted copolymers were partially converted into hydrazide function groups followed by hydrazone formation through reaction with isatin. Also the application of the modified fibers for metal ion uptake was studied using Cu(II), Hg(II) and Ni(H). The modified chelating fibers were characterized using FTIR spectroscopy, SEM and X-ray diffraction. (C) 2009 Elsevier B.V. All rights reserved.
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页码：348 / 355
页数：8
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