Elucidate microbial characteristics in a full-scale treatment plant for offshore oil produced wastewater

Shuyuan Deng; Bo Wang; Wenda Zhang; Sanbao Su; Hao Dong; Ibrahim M. Banat; Shanshan Sun; Jianping Guo; Weiming Liu; Linhai Wang; Yuehui She; Fan Zhang; Guanglei Qiu

doi:10.1371/journal.pone.0255836

Elucidate microbial characteristics in a full-scale treatment plant for offshore oil produced wastewater

Shuyuan Deng, Bo Wang, Wenda Zhang, Sanbao Su, Hao Dong, Ibrahim M. Banat, Shanshan Sun, Jianping Guo, Weiming Liu, Linhai Wang, Yuehui She, Fan Zhang, Guanglei Qiu (Editor)

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Abstract

Oil-produced wastewater treatment plants, especially those involving biological treatment processes, harbor rich and diverse microbes. However, knowledge of microbial ecology and microbial interactions determining the efficiency of plants for oil-produced wastewater is limited. Here, we performed 16S rDNA amplicon sequencing to elucidate the microbial composition and potential microbial functions in a full-scale well-worked offshore oil-produced wastewater treatment plant. Results showed that microbes that inhabited the plant were diverse and originated from oil and marine associated environments. The upstream physical and chemical treatments resulted in low microbial diversity. Organic pollutants were digested in the anaerobic baffled reactor (ABR) dominantly through fermentation combined with sulfur compounds respiration. Three aerobic parallel reactors (APRs) harbored different microbial groups that performed similar potential functions, such as hydrocarbon degradation, acidogenesis, photosynthetic assimilation, and nitrogen removal. Microbial characteristics were important to the performance of oil-produced wastewater treatment plants with biological processes.

Original language	English
Article number	e0255836
Pages (from-to)	1-18
Number of pages	18
Journal	PLoS ONE
Volume	16
Issue number	8
Early online date	12 Aug 2021
DOIs	https://doi.org/10.1371/journal.pone.0255836 https://doi.org/10.1371/journal.pone.0255836
Publication status	Published (in print/issue) - 12 Aug 2021

Bibliographical note

Publisher Copyright:
© 2021 Deng et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Keywords

Research Article
Anaerobiosis
Bacteria/classification
Bioreactors
RNA, Ribosomal, 16S/chemistry
Oil and Gas Fields/microbiology
Phylogeny
Biodiversity
Water Pollutants/isolation & purification
Waste Disposal, Fluid/instrumentation
Waste Water/microbiology

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1371/journal.pone.0255836Licence: CC BY
10.1371/journal.pone.0255836Licence: CC BY

pone.0255836.pdfFinal published version, 2.8 MBLicence: CC BY

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Deng, S., Wang, B., Zhang, W., Su, S., Dong, H., Banat, I. M., Sun, S., Guo, J., Liu, W., Wang, L., She, Y., Zhang, F., & Qiu, G. (Ed.) (2021). Elucidate microbial characteristics in a full-scale treatment plant for offshore oil produced wastewater. PLoS ONE, 16(8), 1-18. Article e0255836. https://doi.org/10.1371/journal.pone.0255836, https://doi.org/10.1371/journal.pone.0255836

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abstract = "Oil-produced wastewater treatment plants, especially those involving biological treatment processes, harbor rich and diverse microbes. However, knowledge of microbial ecology and microbial interactions determining the efficiency of plants for oil-produced wastewater is limited. Here, we performed 16S rDNA amplicon sequencing to elucidate the microbial composition and potential microbial functions in a full-scale well-worked offshore oil-produced wastewater treatment plant. Results showed that microbes that inhabited the plant were diverse and originated from oil and marine associated environments. The upstream physical and chemical treatments resulted in low microbial diversity. Organic pollutants were digested in the anaerobic baffled reactor (ABR) dominantly through fermentation combined with sulfur compounds respiration. Three aerobic parallel reactors (APRs) harbored different microbial groups that performed similar potential functions, such as hydrocarbon degradation, acidogenesis, photosynthetic assimilation, and nitrogen removal. Microbial characteristics were important to the performance of oil-produced wastewater treatment plants with biological processes.",

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Deng, S, Wang, B, Zhang, W, Su, S, Dong, H, Banat, IM, Sun, S, Guo, J, Liu, W, Wang, L, She, Y, Zhang, F & Qiu, G (ed.) 2021, 'Elucidate microbial characteristics in a full-scale treatment plant for offshore oil produced wastewater', PLoS ONE, vol. 16, no. 8, e0255836, pp. 1-18. https://doi.org/10.1371/journal.pone.0255836, https://doi.org/10.1371/journal.pone.0255836

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AU - Deng, Shuyuan

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AU - Banat, Ibrahim M.

AU - Sun, Shanshan

AU - Guo, Jianping

AU - Liu, Weiming

AU - Wang, Linhai

AU - She, Yuehui

AU - Zhang, Fan

A2 - Qiu, Guanglei

N1 - Publisher Copyright: © 2021 Deng et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

PY - 2021/8/12

Y1 - 2021/8/12

N2 - Oil-produced wastewater treatment plants, especially those involving biological treatment processes, harbor rich and diverse microbes. However, knowledge of microbial ecology and microbial interactions determining the efficiency of plants for oil-produced wastewater is limited. Here, we performed 16S rDNA amplicon sequencing to elucidate the microbial composition and potential microbial functions in a full-scale well-worked offshore oil-produced wastewater treatment plant. Results showed that microbes that inhabited the plant were diverse and originated from oil and marine associated environments. The upstream physical and chemical treatments resulted in low microbial diversity. Organic pollutants were digested in the anaerobic baffled reactor (ABR) dominantly through fermentation combined with sulfur compounds respiration. Three aerobic parallel reactors (APRs) harbored different microbial groups that performed similar potential functions, such as hydrocarbon degradation, acidogenesis, photosynthetic assimilation, and nitrogen removal. Microbial characteristics were important to the performance of oil-produced wastewater treatment plants with biological processes.

AB - Oil-produced wastewater treatment plants, especially those involving biological treatment processes, harbor rich and diverse microbes. However, knowledge of microbial ecology and microbial interactions determining the efficiency of plants for oil-produced wastewater is limited. Here, we performed 16S rDNA amplicon sequencing to elucidate the microbial composition and potential microbial functions in a full-scale well-worked offshore oil-produced wastewater treatment plant. Results showed that microbes that inhabited the plant were diverse and originated from oil and marine associated environments. The upstream physical and chemical treatments resulted in low microbial diversity. Organic pollutants were digested in the anaerobic baffled reactor (ABR) dominantly through fermentation combined with sulfur compounds respiration. Three aerobic parallel reactors (APRs) harbored different microbial groups that performed similar potential functions, such as hydrocarbon degradation, acidogenesis, photosynthetic assimilation, and nitrogen removal. Microbial characteristics were important to the performance of oil-produced wastewater treatment plants with biological processes.

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KW - Oil and Gas Fields/microbiology

KW - Phylogeny

KW - Biodiversity

KW - Water Pollutants/isolation & purification

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JO - PLoS ONE

JF - PLoS ONE

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Elucidate microbial characteristics in a full-scale treatment plant for offshore oil produced wastewater

Abstract

Bibliographical note

Keywords

UN SDGs

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