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Volume 10, Issue 6 (November-December 2016)
IJT 2016, 10(6): 23-29 |
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Jahangard A, Sohrabi M, Beigmohammadi Z. Sorption of Lead (II) Ions on Activated Coconut Husk. IJT 2016; 10 (6) :23-29
URL: http://ijt.arakmu.ac.ir/article-1-489-en.html
URL: http://ijt.arakmu.ac.ir/article-1-489-en.html
1- M.Sc of Environmental Sciences, Young Researchers and Elite Club, Hamedan Branch, Islamic Azad University, Hamedan, Iran.
2- M.Sc of Environmental Sciences, Young Researchers and Elite Club, Hamedan Branch, Islamic Azad University, Hamedan, Iran. , sohrabi.mhs@gmail.com
2- M.Sc of Environmental Sciences, Young Researchers and Elite Club, Hamedan Branch, Islamic Azad University, Hamedan, Iran. , sohrabi.mhs@gmail.com
Abstract: (4323 Views)
Background: In recent years, various toxic chemicals/compounds have been widely detected at dangerous levels in drinking water in many parts of the world posing a variety of serious health risks to human beings. One of these toxic chemicals is lead, so this paper aimed to evaluate of efficiency coconut husk as cheap adsorbent for removal lead under different conditions.
Methods: In the spring of 2015, batch studies were performed in laboratory (Branch of Hamadan, Islamic Azad University,) to evaluate the influences of various experimental parameters like pH, initial concentration, adsorbent dosage, contact time and the effect of temperature on the adsorption capacity of coconut husk for removal lead from aqueous solution.
Results: Optimum conditions for Pb (II) removal were pH 6, adsorbent dosage 1g/100ml of solution and equilibrium time 120 min. The adsorption isotherm was also affected by temperature since the adsorption capacity was increased by raising the temperature from 25 to 45 °C. The equilibrium adsorption isotherm was better described by Freuindlich adsorption isotherm model.
Conclusion: It is evident from the literature survey that coconut-based biosorbents have shown good potential for the removal of various aquatic pollutants. Coconut husk-based activated carbon can be a promising adsorbent for removal of Pb from aqueous solutions.
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The Iranian Journal of Toxicology
Arak University of Medical Sciences in collaboration with the Iranian Society of Toxicology
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