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2010 | 8 | 1 | 214-222
Tytuł artykułu

Synthesis and characterization of silica gel microspheres encapsulated by salicyclic acid functionalized polystyrene and its adsorption of transition metal ions from aqueous solutions

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
The present study was undertaken to develop a novel adsorbent for heavy metal ions, and this paper presents the synthesis and characterization of a composite material-silica gel microspheres encapsulated by salicyclic acid functionalized polystyrene (SG-PS-azo-SA) with a core-shell structure. SG-PS-azo-SA was used to investigate the adsorption of Mn(II), Co(II), Ni(II), Fe(III), Hg(II), Zn(II), Cd(II), Cr(VI), Pd(II), Cu(II), Ag(I), and Au(III) from aqueous solutions. The results revealed that SG-PS-azo-SA has better adsorption capacity for Cu(II), Ag(I) and Au(III). Langmuir and Freundlich isotherm models were applied to analyze the experimental data, the best interpretation for the experimental data was given by the Langmuir isotherm equation with the maximum adsorption capacity for Cu(II), Ag(I), and Au(III) at 1.288 mmol g−1, 1.850 mmol g−1 and 1.613 mmol gt-1, respectively. Thus, silica gel encapsulated by salicyclic acid functionalized polystyrene (SG-PS-azo-SA) is favorable and useful for the removal of Cu(II), Ag(I) and Au(III) metal ions. [...]
Wydawca

Czasopismo
Rocznik
Tom
8
Numer
1
Strony
214-222
Opis fizyczny
Daty
wydano
2010-02-01
online
2010-02-16
Twórcy
autor
  • School of Chemistry and Materials Science, Ludong University, Yantai, 264025, P. R. China, xuq881@yahoo.com.cn
autor
  • School of Chemistry and Materials Science, Ludong University, Yantai, 264025, P. R. China, yinping426@163.com
autor
  • School of Chemistry and Materials Science, Ludong University, Yantai, 264025, P. R. China
autor
  • Department of Chemistry, Nanjing University, Nanjing, 210093, P. R. China
autor
  • School of Chemistry and Materials Science, Ludong University, Yantai, 264025, P. R. China
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_2478_s11532-009-0113-0
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