Surfactant-enhanced bioremediation of petroleum-contaminated soil and microbial community response : A field study
Copyright © 2023 Elsevier Ltd. All rights reserved..
Surfactant-enhanced bioremediation (SEBR) is frequently employed to clean up soil polluted with petroleum hydrocarbons, but few studies have focused on how surfactants affect microbial communities and different fractions of petroleum hydrocarbons, particularly in the field. Here, the surfactants sodium dodecyl benzene sulfonate (SDBS), alpha olefin sulfonate (AOS), Triton X-100 (TX-100), Tween80, and rhamnolipid were combined with the oil-degrading bacterium Pseudomonas sp. SB to remediate oil-contaminated soil in the laboratory. AOS gave the highest removal efficiency (65.1%) of total petroleum hydrocarbons (TPHs). Therefore, AOS was used in a field experiment with Pseudomonas sp. SB and the removal efficiency of TPHs and long-chain hydrocarbons C21-C40 reached 57.4 and 53.0%, respectively, significantly higher than the other treatments. During bioremediation the addition of Pseudomonas sp. SB significantly stimulated the growth of bacterial genera such as Alcanivorax, Luteimonas, Parvibaculum, Stenotrophomonas, and Pseudomonas and AOS further stimulated the growth of Sphingobacterium, Pseudomonas and Alcanivorax. This study validates the feasibility of surfactant-enhanced bioremediation in the field and partly reveals the mechanism of surfactant-enhanced bioremediation from the perspective of changes in different fractions of petroleum and microbial community dynamics.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:322 |
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| Enthalten in: |
Chemosphere - 322(2023) vom: 05. Mai, Seite 138225 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Ling, Hao [VerfasserIn] |
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| Links: |
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Alkenes |
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| Anmerkungen: |
Date Completed 13.03.2023 Date Revised 13.03.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.chemosphere.2023.138225 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM353342971 |
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| 520 | |a Surfactant-enhanced bioremediation (SEBR) is frequently employed to clean up soil polluted with petroleum hydrocarbons, but few studies have focused on how surfactants affect microbial communities and different fractions of petroleum hydrocarbons, particularly in the field. Here, the surfactants sodium dodecyl benzene sulfonate (SDBS), alpha olefin sulfonate (AOS), Triton X-100 (TX-100), Tween80, and rhamnolipid were combined with the oil-degrading bacterium Pseudomonas sp. SB to remediate oil-contaminated soil in the laboratory. AOS gave the highest removal efficiency (65.1%) of total petroleum hydrocarbons (TPHs). Therefore, AOS was used in a field experiment with Pseudomonas sp. SB and the removal efficiency of TPHs and long-chain hydrocarbons C21-C40 reached 57.4 and 53.0%, respectively, significantly higher than the other treatments. During bioremediation the addition of Pseudomonas sp. SB significantly stimulated the growth of bacterial genera such as Alcanivorax, Luteimonas, Parvibaculum, Stenotrophomonas, and Pseudomonas and AOS further stimulated the growth of Sphingobacterium, Pseudomonas and Alcanivorax. This study validates the feasibility of surfactant-enhanced bioremediation in the field and partly reveals the mechanism of surfactant-enhanced bioremediation from the perspective of changes in different fractions of petroleum and microbial community dynamics | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Bacterial community | |
| 650 | 4 | |a Bioremediation | |
| 650 | 4 | |a Exogenous bacteria | |
| 650 | 4 | |a Oil-contaminated soil | |
| 650 | 4 | |a Surfactant | |
| 650 | 7 | |a Surface-Active Agents |2 NLM | |
| 650 | 7 | |a Soil Pollutants |2 NLM | |
| 650 | 7 | |a Petroleum |2 NLM | |
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| 700 | 1 | |a Du, Mingjun |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Yun |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Wuxing |e verfasserin |4 aut | |
| 700 | 1 | |a Christie, Peter |e verfasserin |4 aut | |
| 700 | 1 | |a Luo, Yongming |e verfasserin |4 aut | |
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