Submitted: 01 Apr 2015
Revised: 16 May 2015
Accepted: 15 Jun 2015
First published online: 15 Oct 2017
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Avicenna J Environ Health Eng. 2015;2(1):3155-3155.
doi: 10.17795/ajehe-3155
  Abstract View: 253
  PDF Download: 243

Research Article

The Potential of Sargassum oligocystum Harvested From Persian Gulf for the Adsorption of Copper Ions From Aqueous Solutions

Bahman Ramavandi 1,2, Ahmad Ebrahimi 1, Seyed Enayat Hashemi 1, Samad Akbarzadeh 3, Ghorban Asgari 4 *

1 Environmental Health Engineering Department, Faculty of Health, Bushehr University of Medical Sciences, Bushehr, IR Iran
2 Systems Environmental Health, Oil, Gas and Energy Research Center, Bushehr University of Medical Sciences, Bushehr, IR Iran
3 Department of Biochemistry, The Persian Gulf Biotechnology Research Center, Bushehr University of Medical Sciences, Bushehr, IR Iran
4 Social Determinants of Health Research Center (SDHRC), Department of Environmental Health Engineering, School of Public Health, Hamadan University of Medical Sciences,


This study revealed the potential of a brown alga, Sargassum oligocystum, harvested from Persian Gulf for the Cu2+ adsorption from aqueous solutions. The adsorption kinetic and isotherm and the characteristics of the biomass prepared from S. oligocystum (BSO) were investigated. The BSO was a mesoporous adsorbent with Brunauer, Emmett, and Teller (BET) surface area, a total pore volume, and an average pore diameter of 0.487 m2/g, 1.423 cm3/g and 12.5 nm, respectively. Fourier transform infrared spectroscopy (FTIR) analysis showed that there were many active functional groups such as alcohol and phenol groups, carbonyl, ethers, and esters on the BSO. Batch tests demonstrated that the Langmuir isotherm model best represented the equilibrium data with maximum copper ions adsorption capacity of 8.23 mg/g. Pseudo-second-order kinetic model was found to satisfactory describe the adsorption process. BSO is an easy-prepared adsorbent and could be an option for the treatment of Cu2+-laden wastewaters.
Keywords: Mesoporous Adsorbent, Copper Ions, Isotherm, Kinetic, Sargassum oligocystum
Copyright © 2015, Hamadan University of Medical Sciences. This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.
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