Development and sensitivity analysis of a fullykinetic model of sequential reductive dechlorination in subsurface

Flavio Malaguerra, Julie Claire Claudia Chambon, Hans-Jørgen Albrechtsen, Poul Løgstrup Bjerg, Charlotte Scheutz, Philip John Binning

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Abstract

Chlorinated hydrocarbons originating from point sources are amongst the most prevalent contaminants of ground water and often represent a serious threat to groundwater-based drinking water resources. Natural attenuation of contaminant plumes can play a major role in contaminated site management and natural degradation of chlorinated solvents frequently occurs in the subsurface through sequential reductive dechlorination. However, the occurrence and the performance of natural sequential reductive dechlorination strongly depends on environmental factor such as redox conditions, presence of fermenting organic matter / electron donors, presence of specific biomass, etc. Here we develop a new fully-kinetic biogeochemical reactive model able to simulate chlorinated solvents degradation as well as production and consumption of molecular hydrogen. The model is validated using batch experiment data and global sensitivity analysis is performed.
Original languageEnglish
Title of host publicationGQ10
VolumeCD-ROM
PublisherIAHS Press
Publication date2010
PagesS7.2
Publication statusPublished - 2010
EventGroundwater Quality Management in a Rapidly Changing World : 7th International Groundwater Quality Conference - Zurich, Switzerland
Duration: 13 Jun 201018 Jun 2010
Conference number: 7
http://www.eawag.ch/medien/veranstaltungen/events/gq2010/index_EN

Conference

ConferenceGroundwater Quality Management in a Rapidly Changing World : 7th International Groundwater Quality Conference
Number7
CountrySwitzerland
CityZurich
Period13/06/201018/06/2010
Internet address

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