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ISSN: 2161-0525

Journal of Environmental & Analytical Toxicology
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Research Article

Adsorption and De-Sorption of Polycyclic Aromatic Hydrocarbons on Activated Carbon

Changming Zhang1*, Xiaohang Zhang1, Zhanggen Huang1, Dongmei Huang1 and Qiuxia Cheng2
1State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China
2Shanxi Northern Xingan Chemical Industry Co.Ltd, China
Corresponding Author : Changming Zhang
State Key Laboratory of Coal Conversion
Institute of Coal Chemistry, Chinese Academy of Sciences
Taiyuan 030001, China
Tel: +86-351-4043727
Fax: +86-351-4043727
E-mail: [email protected]
Received December 09, 2011; Accepted January 03, 2012; Published January 05, 2012
Citation: Zhang C, Zhang X, Huang Z, Huang D, Cheng Q (2012) Adsorption and De-Sorption of Polycyclic Aromatic Hydrocarbons on Activated Carbon. J Environment Analytic Toxicol 1:116. doi: 10.4172/2161-0525.1000116
Copyright: © 2012 Zhang C, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

The adsorption and de-sorption properties of polycyclic aromatic hydrocarbons (PAH) which was represented by pure phenanthrene, on activated carbon were investigated. The influences of solvent (acetone,carbon tetrachloride, tetrahydrofuran, ethanol or distilled water), time and manner (with ultrasonic or not) on the desorption efficiency were investigated. The results show that the de-sorption efficiency reaches 91.40% which exhibits the highest efficiency when the ethanol is used as the de-sorption solvent and the system was treated with ultrasonic technology. The desorption test was also carried on the raw coconut shell-based activated carbon and it was not being used before. This determination is to understand the “baseline background” and the purity of raw activated carbon characteristics. The content of total de-sorption amounts was 0.043% of raw activated carbon. Through GC/MS analysis,the main desorption substance defined was 10-undecenoic acid methyl ester.

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