Evaluation of Cadmium removal Efficiency from aqueous solution by Activated Carbon Derived from Scrap Tire

How to Cite:Hoseinzadeh E, Rahmanie A. Evaluation of Cadmium removal Efficiency from aqueous solution by Activated Carbon Derived from Scrap Tire. koomesh. 2014;15(4):e152892. doi:

Abstract

Introduction: Cadmium (Cd) is one of the main types of heavy metals having wide use in today industrial age. This Heavy metal is very toxic even in very low amount that can cause kidney damage, high blood pressure, bone fraction and destruction of red blood cells. This study was performed with the purpose of producing activated carbon from scrap tires and it’s application to removal of Cd(II) ions from synthetic solution. Materials and Methods: In this experimental study, powder activated carbon derived from scrap tires (TDAC) was prepared under laboratory conditions. Structural properties of TDAC were analyzed using Scanning Electron Microscopy (SEM) coupled with energy dispersive spectrometry (EDS). The special surface area was calculated using Brunauer-Emmett-Teller (BET) and Barret-Joyner-Halenda (BJH) isotherms. In adsorption studies, the effects of Cd(II) ions concentration, pH, contact time and the adsorbent dosage on adsorption process were investigated in batch system. The experimental data were analyzed with Langmuir and Freundlich isotherm models. Results: The results showed that the efficiency of activated carbon production is at 32-36% range. Main component of TDAC is Carbon (76.78%). It’s special surface area using BET and BJH methods are approximately 185.046 and 146.443 m2/g, respectively. In adsorption studies, increasing of TDAC dosage resulted in a decrease in qmax and also adsorption was increased with increasing the pH, Cd+2 ions. The adsorption experimental data complies with Freundlich equation model (R2 = 0.9987) and the maximum amount of adsorption (qmax) was 83.33 mg/g. Conclusion: Results of this study show producing activated carbon from scrap tire can have some economic and environmental advantages and it can be introduced as a suitable method in order to recovery of scrap tires. The produced activated carbon from scrap tires has high efficiency for Cd removal from aqueous solutions.

Keywords

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Edris Hoseinzadeh:[PubMed][Scholar]
AliReza Rahmanie:[PubMed][Scholar]

Journal of Semnan University of Medical Sciences

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Evaluation of Cadmium removal Efficiency from aqueous solution by Activated Carbon Derived from Scrap Tire

Abstract

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