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Convenient Synthesis of Micron-sized Macro Porous Polymers with Silica on their Surfaces and Excellent Adsorption Performance for Pb(II) Ion | OMICS International | Abstract
ISSN: 2161-0525

Journal of Environmental & Analytical Toxicology
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Research Article

Convenient Synthesis of Micron-sized Macro Porous Polymers with Silica on their Surfaces and Excellent Adsorption Performance for Pb(II) Ion

Kannan RS1*, Kavitha K2, Muthukrishnan P3, Krishnan NP4 and Ilayaraja M5
1PG Research and Department of Chemistry, Thiagarajar college, Madurai-625009, Tamil Nadu, India
2Department of Chemistry, S.V.N College, Madurai-625009, Tamil Nadu, India
3Department of Chemistry, Faculty of Engineering, Karpagam University, Coimbatore-641021 Tamil Nadu, India
4Department of Chemistry, K.L.N College of Engineering, Pottapalayam-630611, Tamil Nadu, India
5Department of Chemistry, SBM College of Engineering and Technology, Dindigul-624 005, Tamil Nadu, India
Corresponding Author : Kannan RS
Assistant Professor, PG Research and
Department of Chemistry, Thiagarajar college
Madurai-625009, Tamil Nadu, India
Tel: +91-9486162075
Fax: +91-4522312375
E-mail: [email protected]
Received April 01, 2015; Accepted April 25, 2015; Published April 29, 2015
Citation: Kannan RS, Kavitha K, Muthukrishnan P, Krishnan NP, Ilayaraja M (2015) Convenient Synthesis of Micron-sized Macro Porous Polymers with Silica on their Surfaces and Excellent Adsorption Performance for Pb(II) Ion. J Environ Anal Toxicol 5:291. doi: 10.4172/2161-0525.1000291
Copyright: © 2015 Kannan RS, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

The phenol-formaldehyde/silicon dioxide resin (PFSR) adsorbent showed superior adsorption properties for Pb (II) ion. The aimed composite material was characterized by XRD, FT-IR, SEM and BET techniques. Sorption properties of the synthesized composite powder were evaluated through sorption of lead ions from their aqueous solutions. Batch sorption tests were carried out at different initial heavy metal ion concentrations revealing that the synthesized composite has great selectivity to lead ions. The experimentally obtained sorption results were analyzed using pseudofirst and second order kinetic models to stand on the possible sorption mechanisms indicating the sorption behavior of the studied ions onto PFSR composite belonged to the pseudo-second order kinetic model and the sorption process was a chemical process. Isotherm plots were constructed and analyzed using Langmuir, Freundlich, Temkin, D-R and Jovanoic isotherm models. The D-R and Temkin isotherm model provided the best fit for the Pb(II) ion, revealing the maximum adsorption capacity of 13.74 mg/g. Thermodynamic studies revealed that Pb(II) adsorption on the PFSR adsorbent is a favorable, spontaneous, and endothermic process.

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