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Wang Cuiping, Xu Wei, Sun Hongwen. Migration of polycyclic aromatic hydrocarbons in soils under uniform electric field[J]. Chinese Journal of Environmental Engineering, 2013, 7(4): 1550-1556.
Citation: Wang Cuiping, Xu Wei, Sun Hongwen. Migration of polycyclic aromatic hydrocarbons in soils under uniform electric field[J]. Chinese Journal of Environmental Engineering, 2013, 7(4): 1550-1556.
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Migration of polycyclic aromatic hydrocarbons in soils under uniform electric field

  • 1.

    Key Laboratory on Pollution Processes and Environmental Criteria, Ministry of Education, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China

  • Received Date: 24/10/2012
    Accepted Date: 20/08/2012
    Available Online: 09/04/2013
    Fund Project:
  • When the experiments were carried out at electrolyte circulation velocity of 800 mL/h and electrolyte using sterile water, the amount of electroosmotic flow and migration mass of phenanthrene and pyrene at the voltage gradient of 1 V/cm was greater than those at the voltage gradient of 0.5 V/cm, respectively. Surfactants such as Tween80 and HPCD, can improve the total migration mass of phenanthrene and pyrene. And, the migration of the phenanthrene was elevated by 5.8 and 11.7 by electrokinetic injection of Tween 80 and HPCD at the concentrations of 500 and 1 000 mg/kg, respectively, while pyrene was 2 and 3.4 times. However, the total migration of benzopyrene was very small due to its solubility, even under the conditions of electric field and electrokinetic injection of surfactants. This study provides technological basis for the set-up of electrokinetic remediation for sites contaminated by organic pollutants.
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Migration of polycyclic aromatic hydrocarbons in soils under uniform electric field

  • Received Date: 24/10/2012
  • Accepted Date: 20/08/2012
  • Available Online: 09/04/2013
Fund Project:

Abstract: When the experiments were carried out at electrolyte circulation velocity of 800 mL/h and electrolyte using sterile water, the amount of electroosmotic flow and migration mass of phenanthrene and pyrene at the voltage gradient of 1 V/cm was greater than those at the voltage gradient of 0.5 V/cm, respectively. Surfactants such as Tween80 and HPCD, can improve the total migration mass of phenanthrene and pyrene. And, the migration of the phenanthrene was elevated by 5.8 and 11.7 by electrokinetic injection of Tween 80 and HPCD at the concentrations of 500 and 1 000 mg/kg, respectively, while pyrene was 2 and 3.4 times. However, the total migration of benzopyrene was very small due to its solubility, even under the conditions of electric field and electrokinetic injection of surfactants. This study provides technological basis for the set-up of electrokinetic remediation for sites contaminated by organic pollutants.

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