pyrene removal from contaminated soil using electrokinetic process combined with surfactant

Clicks: 193
ID: 228193
2015
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Abstract
Background: Pyrene is one of the stable polycyclic aromatic hydrocarbons that is considered as an important pollutants, because of extensive distribution in the environment and carcinogenic and mutagenic properties. Among the various treatment techniques, electrokinetic method is an environmental- friendly process for organic and mineral pollutants adsorbed to soil with fine pore size the same as clay and low hydraulic conductivity soils. For improving the efficiency of pyrene removal from soil, soulobilization of pyrene from soil could be used by surfactants. Materials and Methods : In this study, clay soil was selected as model because of the specific properties. Combined method using surfactant and electrokinetic was applied for pyrene removal from soil. Experiments were designed using response surface methodology (RSM), and effect of three variables includes surfactant concentration, voltage and surfactant type were evaluated for pyrene removal from contaminated soil. Results: Pyrene removal using anionic surfactants(SDS) and nonionic surfactants(TX100) as a solubilizing agents has high removal efficiency. In the optimum condition with 95% confidence coefficient, utilizing mixed surfactants of sodium dodecyl sulfate and triton X-100 with the same volume, induced of 18.54 volt and 6.53 percent surfactant concentration have 94.6% pyrene removal efficiency. Conclusion:: Results of this study shows that electrokinetic process combined with surfactant as solubilizing agent could be applied as an efficient method for treating the pyrene-contaminated soils.
Reference Key
hashemi2015iranianpyrene Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Seyed Enayat Hashemi;Abbas Rezaee;Seyed Mohammad Mousavi;Mohammadreza Nikodel;Hosean Ganjiidoust
Journal The Journal of Chemical Physics
Year 2015
DOI
DOI not found
URL
http://ismj.bpums.ac.ir/browse.php?a_code=A-10-3-607&slc_lang=en&sid=1
Keywords
pyrene surfactantmedicine (general)

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