Anaerobic biodegradation of dissolved ethanol in a pilot-scale sand aquifer: Variability in plume (redox) biogeochemistry

McLeod, Heather C.; Roy, James W.; Slater, G. F.; Smith, James E.

doi:10.1016/j.jconhyd.2017.12.002

Cited by 13 publications

(1 citation statement)

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“…As anaerobic biodegradation does not require oxygen to perform, they predominantly work in the interior of contaminant plume. McLeod, Roy, Slater, and Smith (2018) reported anaerobic biodegradation of dissolved ethanol in a pilot‐scale unconfined aquifer where anaerobic condition was predominant and denitrification occurs at the beginning followed by iron reduction, sulfate reduction, and methanogenesis.…”

Section: Groundwater Remediationmentioning

confidence: 99%

Groundwater quality

Motlagh

Yang

Saba

2020

Water Environment Research

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Groundwater is a vital component of water supply for residential, industrial, and agricultural purposes. However, many groundwater basins are being used unsustainably and groundwater contamination is a growing water quality problem. Although anthropogenic activities and natural processes have been increasing the contamination in this valuable water resource, several remediation techniques have been developed in the last few decades to reduce these contamination levels. This review paper focuses on the recent studies developed on groundwater pollutions, remediation practices, and groundwater quality management.

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Section: Groundwater Remediationmentioning

confidence: 99%

Groundwater quality

Motlagh

Yang

Saba

2020

Water Environment Research

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Bioremediation

Prince¹

2019

Kirk-Othmer Encyclopedia of Chemical Technology

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Bioremediation is the process of thoughtfully exploiting biological processes to minimize an unwanted environmental impact; usually the aim is the removal of a contaminant from the biosphere. Like most definitions in biology, that of bioremediation is the subject of some debate. A narrow definition might focus on the conversion of contaminating organic molecules to CO 2 , water, and inorganic ions, and the oxidation or reduction of contaminating inorganic ions such as nitrate or ammonia to harmless forms, in this case nitrogen gas. A broader definition would include biological processes for ameliorating extremes of pH, concentrating contaminants so that they can be more easily removed by physical techniques, converting toxic species to less toxic or less bioavailable forms that pose less of a threat to the environment, and restoring functional ecosystems to contaminated or disturbed sites when the contaminants or disturbance cannot be removed.

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