Zero-Valent Iron/Biotic Treatment System for Perchlorate-Contaminated Water: Lab-Scale Performance, Modeling, and Full-Scale Implications
Publication: Journal of Environmental Engineering
Volume 139, Issue 11
Abstract
The computer program AQUASIM was used to model biological treatment of perchlorate-contaminated water using zero-valent iron corrosion as the hydrogen gas source. The laboratory-scale column was seeded with an autohydrogenotrophic microbial consortium previously shown to degrade perchlorate. Consortium biokinetic parameters and data from column experiments were used to verify the model. The model was then used to simulate full-scale performance of an in-situ zero-valent iron permeable reactive barrier perchlorate-treatment system. Simulation results indicate full-scale field treatment systems have the potential to degrade significant concentrations of perchlorate in the presence of oxygen under a variety of operating conditions.
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Acknowledgments
The U.S. EPA, through its Office of Research and Development, collaborated in the research described in this paper. It has been approved for external publication. Any opinions expressed are those of the authors and do not necessarily reflect the views of the Agency; therefore, no official endorsement should be inferred.
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Information & Authors
Information
Published In
Journal of Environmental Engineering
Volume 139 • Issue 11 • November 2013
Pages: 1361 - 1367
Copyright
© 2013 American Society of Civil Engineers.
History
Received: Nov 5, 2012
Accepted: Jul 9, 2013
Published online: Jul 11, 2013
Published in print: Nov 1, 2013
Discussion open until: Dec 11, 2013
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