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Application of Catalytic Nanopolymers for the Removal of Bisphenol a From Aqueous Solutions: Assessed by Three Statistical Modeling Strategies Publisher



Zadali R1 ; Zadali R1 ; Taghavishahri SM3 ; Ebrahimi A4, 5
Authors
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Authors Affiliations
  1. 1. School of Health, Isfahan University of Medical Sciences, Isfahan, Iran
  2. 2. Faculty of Pharmacy, Department of Pharmacognosy, Tehran University of Medical Sciences, Tehran, Iran
  3. 3. Research Center for Environmental Pollutants, Qom University of Medical Sciences, Qom, Iran
  4. 4. Environment Research Center, Research Institute for Primordial Prevention of Non-communicable disease, Isfahan University of Medical Sciences, Isfahan, Iran
  5. 5. Department of Environmental Health Engineering, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran

Source: Desalination and Water Treatment Published:2017


Abstract

This study reports a new strategy for stabilizing palladized iron (Fe-Pd) nanoparticles with sodium carboxymethyl cellulose (CMC) as a stabilizer for the removal of Bisphenol A (BPA) from aqueous solutions. Transmission electron microscopy (TEM) analyses indicated that the CMC-stabilized nanoparticle with a diameter 20 nm is highly dispersed in water. At an optimum dosage of 0.17 g/l, the Fe-Pd bimetallic nanoparticle was able to remove 94% of BPA (C0 = 0.75 mg/l) in 70 min, suggesting that presence of Pd could significantly enhance removal of BPA. It was found that the optimum pH, contact time, and BPA concentration for efficient removal of BPA concentrations from aqueous solutions were 7, 70 min, and 0.75 mg/l, respectively. It was concluded that Fe-Pd bimetallic nanoparticle is an efficient adsorbent for BPA removal from aqueous solutions. © 2017 Desalination Publications. All rights reserved.
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