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Preparation of Magnetic Poly(glycidyl Methacrylate-Co-Divinylbenzene) Microspheres with amino or Quaternary Groups for Cr(VI) Removal from Aqueous Solutions

Authors(5) :-Washington Jose Fernandes Formiga, Marcos Antonio da Silva Costa, Ivana Lourenco de Mello Ferreira, Josefa Virginia da Silva Souza, Manoel Ribeiro da Silva

This paper describes the preparation and characterization of magnetic poly(glycidylmetacrylate-co-divinylbenzene) with amino (R14-en) or quaternary (R14-enQ) groups on the surface for chromium removal from aqueous solutions. The adsorption process of the Cr (VI) with R14-en was dependent on the pH, and the highest adsorption values occurred in a pH range of 4 to 6s. In contrast, the adsorption of R14-enQ, because of its quaternary group (a strong base), was practically independent of the solution’s pH. The kinetic studies showed that the experimental data on adsorption of Cr (VI) best fitted the pseudo second-order model, for both copolymers, suggesting that the interaction between the adsorbent and adsorbate occurs by chemisorption. The Langmuir isotherm model presented the best fit to the experimental data in equilibrium, indicating that the adsorption de Cr (VI) occurs on a monolayer of the heterogeneous surface of the adsorbent.
Washington Jose Fernandes Formiga, Marcos Antonio da Silva Costa, Ivana Lourenco de Mello Ferreira, Josefa Virginia da Silva Souza, Manoel Ribeiro da Silva
Poly(glycidylmethacrylate-co-divinylbenzene), magnetic microbeads, chromium (VI), adsorption
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Publication Details
  Published in : Volume 2 | Issue 6 | November-December 2016
  Date of Publication : 2016-12-30
License:  This work is licensed under a Creative Commons Attribution 4.0 International License.
Page(s) : 126-133
Manuscript Number : IJSRST162618
Publisher : Technoscience Academy
PRINT ISSN : 2395-6011
ONLINE ISSN : 2395-602X
Cite This Article :
Washington Jose Fernandes Formiga, Marcos Antonio da Silva Costa, Ivana Lourenco de Mello Ferreira, Josefa Virginia da Silva Souza, Manoel Ribeiro da Silva, "Preparation of Magnetic Poly(glycidyl Methacrylate-Co-Divinylbenzene) Microspheres with amino or Quaternary Groups for Cr(VI) Removal from Aqueous Solutions", International Journal of Scientific Research in Science and Technology(IJSRST), Print ISSN : 2395-6011, Online ISSN : 2395-602X, Volume 2, Issue 6 , pp.126-133, November-December-2016
URL : http://ijsrst.com/IJSRST162618