Abstract
The formation and activity of aniline-degrading biofilms developed by the psychrotrophic Pseudomonas migulae AN-1 were studied for the in situ remediation of contaminated aquifer using in-well bioreactor of groundwater circulating wells (GCWs). Biofilms grown in mineral salt medium with aniline exhibited tolerance to high concentrations of aniline. In aniline degradation rate, AN-1 biofilms exhibited slight differences compared with planktonic cells. The effectiveness and bio-implication of AN-1 biofilms in GCWs were investigated to treat aniline-contaminated aquifer. The results demonstrate that AN-1 biofilms survived the GCWs treatment process with high aniline-degrading efficiency. This system provides a novel environmentally friendly technology for the in situ bioremediation of low-volatile contaminants.
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Acknowledgments
This work was financially supported by Key Project of National Natural Science Foundation of China (Grant No. 41530636), National Natural Science Foundation of China (Grant No. 41471252), and Scientific Frontier and Interdisciplinary Research Project of Jilin University, Outstanding Youth Cultivation Plan of Jilin University.
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Zhao, Y., Qu, D., Zhou, R. et al. Efficacy of forming biofilms by Pseudomonas migulae AN-1 toward in situ bioremediation of aniline-contaminated aquifer by groundwater circulation wells. Environ Sci Pollut Res 23, 11568–11573 (2016). https://doi.org/10.1007/s11356-016-6737-7
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DOI: https://doi.org/10.1007/s11356-016-6737-7