Paper Title:
Anion Ion Exchange Fiber Based on Polyacrylonitrile (PAN) Matrixes and Its Selective Adsorption for Heavy Metal Ions
  Abstract

The purpose of this paper was to evaluate the capacity of anion ion exchange fiber to uptake the heavy metal(Co2+、Cu2+、Zn2+、Cd2+、Pb2+、Ag+) from the water. A new polyamine-type ion exchange fiber(IEF) based on polyacrylonitrile (PAN) with higher exchange capacities was prepared by crosslinking through hydrazine hydrate, followed reacting with diethylene triamine. FT-IR analysis indicated that amine, imido, acylamino and carboxyl groups were introduced into PAN fiber through the surface modified reaction of cross linking and amination. The structures of the IEF were characterized by means of SEM. The results showed that the surface of fiber became rougher and thicker and more heterogeneous. The static and dynamic adsorption experiments demonstrated the high selective adsorption property of the IEF for Ag+ and Cu2+. Furthermore, the adsorption mechanism for the metal ions with IEF was investigated with the FT-IR spectra studies.

  Info
Periodical
Advanced Materials Research (Volumes 129-131)
Edited by
Xie Yi and Li Mi
Pages
430-434
DOI
10.4028/www.scientific.net/AMR.129-131.430
Citation
H. Zhang, J. F. Wei, H. T. Wang, L. J. Mu, F. L. Yan, "Anion Ion Exchange Fiber Based on Polyacrylonitrile (PAN) Matrixes and Its Selective Adsorption for Heavy Metal Ions", Advanced Materials Research, Vols. 129-131, pp. 430-434, 2010
Online since
August 2010
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Price
$32.00
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