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Stimulating in situ bioremediation in electron acceptor-limited zones by nitrate delivery using electrokinetics in a model scale aquifer

Gill, Richard, Rolfe, Steven, Harbottle, Michael John, Smith, Jonathan and Thornton, Steven 2013. Stimulating in situ bioremediation in electron acceptor-limited zones by nitrate delivery using electrokinetics in a model scale aquifer. Presented at: 12th International UFZ-Deltares Conference on Groundwater-Soil-Systems and Water Resource Management, Barcelona, Spain, 16-19 April 2013.

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Abstract

Contamination of soil and groundwater by organic chemicals requires cost-effective and sustainable solutions to protect human health and the environment. One potential option is a coupling of two technologies - electrokinetics and bioremediation. Electrokinetics is the application of a direct current to the subsurface to initiate remote transport processes, whereas bioremediation is the use of microorganisms to transform contaminants into less harmful substances. Combining the two approaches can enhance the in situ biodegradation of contaminants, by increasing the supply of electron acceptors that may otherwise limit bioremediation. This paper outlines current research on the use of these technologies for the in situ bioremediation of contaminants in physically heterogeneous systems with variable permeability where hydraulic techniques are not suitable, to better understand the processes that occur at the field-scale.

Item Type: Conference or Workshop Item (Speech)
Date Type: Completion
Status: Unpublished
Schools: Engineering
Subjects: T Technology > TD Environmental technology. Sanitary engineering
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Last Modified: 04 Jun 2017 04:58
URI: http://orca.cf.ac.uk/id/eprint/47052

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