Influence of Uniform Electric Field in Bioremediation of Oil-Contaminated Soils

Jin Lan Xu; Dong Dong Sun; Ting Lin Huang; Long Fei Han

doi:10.4028/www.scientific.net/AMR.777.253

Paper Titles

Effect of Carbon Nitrogen Ratio on Simultaneous Nitrification and Denitrification via Nitrite Technology in Sequencing Batch Biofilm Reactor and the Process Control
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Microbial Community Analysis in Bio-Filter Bed of Iron and Manganese Removal Treating High Iron, Manganese and Ammonia Nitrogen Groundwater
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Isolation and Characterization of a Strain of Acidithiobacillus ferrooxidans
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Research of Biological Phase in Contact Oxidation Pond for Jeans Washing Wastewater Biochemical Treatment
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Influence of Uniform Electric Field in Bioremediation of Oil-Contaminated Soils
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Comparative Bioremediation of Oil Contaminated Soil by Natural Attenuation, Biostimulation and Bioaugmentation
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Effect of pH Value on Nitrogen and Phosphorus Removal in Biochemical Reactor
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Mixotrophic Cultivation of Scenedesmus sp. as Biodiesel Feedstock
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Study on Operating Principle and Application of an Advanced Integrated Processing Technology - Air Lift Bioreactor (ALB) for Nitrogen and Phosphorus Removal
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 777Influence of Uniform Electric Field in...

Influence of Uniform Electric Field in Bioremediation of Oil-Contaminated Soils

Abstract:

Electrokinetic remediation is an effective technology to enhance bioremediation of oil-contaminated soil as the transport process of non-polar organic contaminants in soil was promoted under low-power direct current electric fields. In this study three treatments including the application of electric field treatment alone, inoculation treatment alone, and combination of the application of electric field and inoculation treatment were carried out. The results indicated that highest removal efficiency was 83% in couple of the application of electric field and inoculation treatment. TPH concentration decreased from 6000 mg.kg^-1 to 2000 mg.kg^-1 when a 30 voltage direct current electric field was applied to oil-contaminated soil for 10 min after 4 days. It was observed that dehydrogenase activity had no increase after application direct current electric field. However, the TPH degradation efficiency was 52% higher than the control treatment. GC analysis showed that n-alkanes (C₁₄-C₃₁) were preferentially degraded, and soil remaindered more low quality compounds after the application of electric field treatment applied 52 days. These results indicated that the application of electric field improved degradation of inoculated bacteria through promoting the transport of nutrients, such as nitrogen and phosphorous and electron acceptors.

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Environmental Biotechnology and Materials Engineering (2013)

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Advanced Materials Research (Volume 777)

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253-257

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https://doi.org/10.4028/www.scientific.net/AMR.777.253

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September 2013

Authors:

Jin Lan Xu, Dong Dong Sun, Ting Lin Huang, Long Fei Han

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Bioremediation, GC Analysis, Petroleum-Contaminated Soils, Uniform Electric Field

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