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2012 | 10 | 4 | 1349-1359
Tytuł artykułu

A promising absorbent of acrylic acid/poly(ethylene glycol) hydrogel prepared by glow-discharge electrolysis plasma

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
An acrylic acid/poly(ethylene glycol) (AAc/PEG) hydrogel was synthesized in aqueous solution by a simple one-step method using glow-discharge electrolysis plasma (GDEP) technique. The structure of AAc/PEG hydrogel was characterized by Fourier transform infrared spectroscopy (FT-IR) and X-ray photoelectron spectroscopy (XPS). Factors influencing the adsorption of heavy-metal ions such as solution pH, contact time, initial heavy-metal ion concentration were examined systematically by batch experiments. Results showed that both chemical complexation and ion exchange played an important role for heavy-metal ion adsorption onto AAc/PEG hydrogel. The adsorption isothermals followed the Langmuir isotherm and the adsorption kinetics fitted the pseudo-second-order model at 25°C with a pH 6. In addition, AAc/PEG hydrogel can be also regenerated and re-used. [...]
Wydawca

Czasopismo
Rocznik
Tom
10
Numer
4
Strony
1349-1359
Opis fizyczny
Daty
wydano
2012-08-01
online
2012-05-29
Twórcy
autor
autor
  • College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, 730070, China
autor
  • College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, 730070, China, jzgao@nwnu.edu.cn
autor
  • College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, 730070, China
autor
  • College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, 730070, China
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_2478_s11532-012-0055-9
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