AI Article Synopsis
- The study combined electrokinetic and bioremediation techniques to analyze how Staphylococcus epidermidis EVR4 can effectively degrade diesel hydrocarbons.
- Results showed complete degradation of several hydrocarbon peaks and an impressive 96% overall degradation efficiency within 4 days, aided by the bacteria's biosurfactant production and catabolic enzymes.
- The integrated bioelectrokinetic method proved to be more effective for cleaning diesel-contaminated soil (84% efficiency) compared to electrokinetic alone (67%), highlighting the potential of EVR4 in environmental remediation.
Article Abstract
The present study integrated the electrokinetic (EK) with bioremediation (Bioelectrokinetic -BEK) of diesel hydrocarbon by Staphylococcus epidermidis EVR4. It was identified as efficient biosurfactant producing bacteria and growth parameters was optimized using response surface methodology. Upon degradation, there is a complete disappearance of peaks from nonane (C) to tricosane (C) and 85%, 47% of degradation of pentacosane and octacosane respectively. Marine bacterial strain, EVR4 was found to be potential to degrade the diesel with a maximum degradation efficiency of 96% within 4 d, which was due to its synergistic role of biosurfactant and catabolic enzymes (dehydrogenase, catalase and cytochrome C). The application of integrated BEK was an effective insitu method for the remediation of diesel contaminated soil by BEK (84%) than EK (67%). EVR4 as an effective strain can be employed for BIO-EK method to clean the diesel hydrocarbon polluted environment.
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| http://dx.doi.org/10.1016/j.chemosphere.2020.128377 | DOI Listing |
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