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Bioremediation of Petroleum Hydrocarbons Using Acinetobacter sp. SCYY-5 Isolated from Contaminated Oil Sludge: Strategy and Effectiveness Study

Author

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  • Yiyun Cai

    (School of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
    College of Civil Engineering, Kashgar University, Kashgar 844006, China
    State Key Laboratory of Petroleum Pollution Control, Beijing 102206, China)

  • Runkai Wang

    (School of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
    College of Civil Engineering, Kashgar University, Kashgar 844006, China)

  • Pinhua Rao

    (School of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China)

  • Baichun Wu

    (State Key Laboratory of Petroleum Pollution Control, Beijing 102206, China)

  • Lili Yan

    (School of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China)

  • Lijiang Hu

    (School of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
    Anji Guoqian Environmental Technology Co., Ltd., Huzhou 313000, China)

  • Sangsook Park

    (Department of Environmental Engineering, Sunchon National University, 255 Jungang-ro, Suncheon, Jeonnam 57922, Korea)

  • Moonhee Ryu

    (Division of Biotechnology, College of Environmental and Bioresource Sciences, Chonbuk National University, Iksan 570-752, Korea)

  • Xiaoya Zhou

    (School of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China)

Abstract

Biodegradation has been considered as an ideal technique for total petroleum hydrocarbon (TPH) contamination, but its efficiency is limited by its application in the field. Herein, an original TPH-degrading strain, SCYY-5, was isolated from contaminated oil sludge and identified as Acinetobacter sp. by 16S rDNA sequence analysis. The biological function of the isolate was investigated by heavy metal tolerance, carbon, and nitrogen source and degradation tests. To enhance its biodegradation efficiency, the response surface methodology (RSM) based on a function model was adopted to investigate and optimize the strategy of microbial and environmental variables for TPH removal. Furthermore, the performance of the system increased to 79.94% with the further addition of extra nutrients, suggesting that the RSM and added nutrients increased the activity of bacteria to meet the needs of the co-metabolism matrix during growth or degradation. These results verified that it is feasible to adopt the optimal strategy of combining bioremediation with RSM to improve the biodegradation efficiency, for contaminated oil sludge.

Suggested Citation

  • Yiyun Cai & Runkai Wang & Pinhua Rao & Baichun Wu & Lili Yan & Lijiang Hu & Sangsook Park & Moonhee Ryu & Xiaoya Zhou, 2021. "Bioremediation of Petroleum Hydrocarbons Using Acinetobacter sp. SCYY-5 Isolated from Contaminated Oil Sludge: Strategy and Effectiveness Study," IJERPH, MDPI, vol. 18(2), pages 1-14, January.
    • Handle: RePEc:gam:jijerp:v:18:y:2021:i:2:p:819-:d:483010
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    Cited by:

    1. Khalid Sayed & Lavania Baloo & Naresh Kumar Sharma, 2021. "Bioremediation of Total Petroleum Hydrocarbons (TPH) by Bioaugmentation and Biostimulation in Water with Floating Oil Spill Containment Booms as Bioreactor Basin," IJERPH, MDPI, vol. 18(5), pages 1-26, February.

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