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ORIGINAL ARTICLE
Year : 2014  |  Volume : 37  |  Issue : 3  |  Page : 179-183

Effect of impregnating materials in activated carbon on Iodine -131 ( 131 I) removal efficiency


1 Safety and Environmental Lab, Nuclear Science and Technology Institute, Atomic Energy Organization of Iran, Tehran; Department of Chemistry, Faculty of Science, Payam Noor University, Tehran, Iran
2 Safety and Environmental Lab, Nuclear Science and Technology Institute, Atomic Energy Organization of Iran, Tehran, Iran
3 Department of Chemistry, Faculty of Science, Payam Noor University, Tehran, Iran

Correspondence Address:
Asghar Sadighzadeh
Nuclear Science and Technology Institute, Tehran
Iran
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0972-0464.154882

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Activated carbon (AC) is widely used in various industries as an adsorbent material. It is used in gas cleaning industries, because of its low cost and high efficiency for removal of pollutants from effluents. It can be produced from a wide range of agricultural activities as by-products. There are different methods for producing the AC. The most common methods are physical and chemical activation that includes heat treatment, amination and impregnation. In this study, the effect of three impregnates, i.e., NaOH, KI and ZnCl 2 on the quality of AC for 131 I removal, was investigated. Our results show that the sodium hydroxide impregnated AC is more effective for 131 I removal. Also, the quality of the impregnated AC was decreased in the case of impregnants material percentage exceeding 2%wt.


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