Anaerobic Bioremediation Performance and Indigenous Microbial Communities in Treatment of Trichloroethylene/Nitrate-Contaminated Groundwater

DongShanshan,; Feng, Chuanping; CuiWeihua,; ChenNan,; LiuYing,; LiuTong,

doi:10.1089/ees.2017.0124

Cited by 10 publications

(2 citation statements)

References 49 publications

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“…Or the dechlorination is an inducible process depended on the functional bacteria for broken the C-Cl bonds, formed the C-H bonds and finished biodegradation process (Dong et al, 2018). The basic processes might be shown in the Eq.…”

Section: Mechanism Of Vhcs Degradationmentioning

confidence: 99%

Performance and mechanism of the in situ restoration effect on VHCs in the polluted river water based on the orthogonal experiment: photosynthetic fluorescence characteristics and microbial community analysis

Wang

Yang

et al. 2022

Environ Sci Pollut Res

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Section: Mechanism Of Vhcs Degradationmentioning

confidence: 99%

Performance and mechanism of the in situ restoration effect on VHCs in the polluted river water based on the orthogonal experiment: photosynthetic fluorescence characteristics and microbial community analysis

Wang

Yang

et al. 2022

Environ Sci Pollut Res

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“…However, unlike batch biodegradations that experimental conditions can control very precisely, bioreactions taking place in a continuous bioreactor may have more uncertainties, achieving R 2 greater than 75% is considered a good fit of the model. 39 TCE degradation in a biofilm reactor is a very complicated process involving fluid flow, mass transfer between multiple phases, and biological reactions taking place in the biofilm phase. When a mathematical model and detailed mass transfer information are unavailable, RSM can be a simple and useful tool to guide the local bioreactor operation.…”

Section: Model Validation and Its Limitationmentioning

confidence: 99%

Continuous trichloroethylene biodegradation by Pseudomonas putida F1 in a biofilm reactor and determination of an optimal feeding path via a response surface model

Muñoz

Bienkowski

et al. 2021

Engineering Reports

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Reactor design and feeding strategies are the key to successful trichloroethylene (TCE) treatment via cometabolism. An easy to maintain and operate laboratory scale packed-bed biofilm reactor, featuring recycled gas and liquid effluent streams, was developed for continuous aerobic aqueous-phase TCE biodegradation using Pseudomonas putida F1 as the biocatalyst and toluene as the primary substrate. The impacts of the influent toluene and TCE concentrations, flow rates, and recycle rates on TCE biodegradation were studied. Multivariate factors, including influent toluene and TCE concentrations, their interactions, and flow rates were further analyzed via a response surface model (RSM). Results showed that such bioreactor design eliminated oxygen limitation and removed or substantially reduced toluene competitive inhibition on TCE degradation. A TCE removal efficiency of >90% was achieved at an influent TCE concentration of ≤0.3 mg/L under an ∼8-min mean hydraulic retention time. Toluene and TCE concentrations, in both linear and quadratic forms, were the most significant factors for TCE degradation, indicating both cell regenerating and inhibiting effects from toluene and a toxic effect from TCE. This RSM analysis has successfully identified an optimal influent toluene concentration path for each influent TCE concentration and provided insight for an extended TCE degradation at higher TCE concentrations. K E Y W O R D Scometabolism, packed-bed biofilm reactor, Pseudomonas putida F1, response surface methodology, trichloroethylene INTRODUCTIONAlthough trichloroethylene (TCE), a major chemical product, has been widely used as a cleansing agent or solvent for metal degreasing and solvent extraction in various industries and in household products, 1 it has become one of theThis is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Application of molecular biological tools for monitoring efficiency of trichloroethylene remediation

Liu

Hsu

et al. 2019

Chemosphere

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Anaerobic Bioremediation Performance and Indigenous Microbial Communities in Treatment of Trichloroethylene/Nitrate-Contaminated Groundwater

Cited by 10 publications

References 49 publications

Performance and mechanism of the in situ restoration effect on VHCs in the polluted river water based on the orthogonal experiment: photosynthetic fluorescence characteristics and microbial community analysis

Performance and mechanism of the in situ restoration effect on VHCs in the polluted river water based on the orthogonal experiment: photosynthetic fluorescence characteristics and microbial community analysis

Continuous trichloroethylene biodegradation by Pseudomonas putida F1 in a biofilm reactor and determination of an optimal feeding path via a response surface model

Application of molecular biological tools for monitoring efficiency of trichloroethylene remediation

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