N3.02 (formerly N4.2) Mohanty 2014 ReNUWIt Annual Meeting Poster

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Abstract/Contents

Abstract: Low impact development (LID) or ‘green infrastructure’ aims to capture and infiltrate stormwater. However, LID systems rarely are designed for removal of pollutants including pathogens. Our work aims to enhance the removal of pathogens and pathogen indicators from stormwater and to develop a fundamental understanding of pathogen attenuation in stormwater biofilters so that their fate can be reliably predicted. Our initial work aims to develop and screen engineering geomedia including iron oxide-coated sand (IOCS), iron filings, and biochar for bacterial removal and to test their removal capacity under hydrological conditions relevant to stormwater infiltration. These experiments are conducted in simplified conditions that allow us to isolate key variables. Ongoing experiments aim to capture more complex conditions such as active microbial communities and biofilms, physical and chemical aging of geomedia, and complex stormwater matrices, which are expected in the field. Knowledge gained will next be applied at the test-bed scale and will feed into N4.1.

Type of resource	other
Date created	May 2014

Subject	Re-inventing the Nation’s Urban Water Infrastructure
Subject	ReNUWIt
Subject	N3.02
Subject	Natural Water Infrastructure Systems
Subject	Distributed stormwater treatment unit processes
Subject	California
Subject	activated carbon
Subject	biochar
Subject	black carbon
Subject	clostridium perfringens
Subject	coated sand
Subject	colloid mobilization
Subject	cryptosporidium
Subject	drinking water
Subject	escherichia coli
Subject	fecal indicator bacteria
Subject	flow
Subject	humic acid
Subject	intermittent flow
Subject	low impact development
Subject	natural organic matter
Subject	organic carbon
Subject	organic matter
Subject	pyrolysis
Subject	pyrolysis temperature
Subject	retention
Subject	soil
Subject	sorption
Subject	systems
Subject	transport
Subject	unsaturated porous media
Subject	urban stormwater
Subject	water
Subject	water treatment

Related Publication	Mohanty, S. K., & Boehm, A. B. (2014). Escherichia coli Removal in Biochar-Augmented Biofilter: Effect of Infiltration Rate, Initial Bacterial Concentration, Biochar Particle Size, and Presence of Compost. Environmental Science & Technology, 48(19), 11535-11542. http://doi.org/10.1021/es5033162
Related Publication	Mohanty, S. K., & Boehm, A. B. (2015). Effect of weathering on mobilization of biochar particles and bacterial removal in a stormwater biofilter. Water Research, 85, 208-215. http://doi.org/10.1016/j.watres.2015.08.026
Related Publication	Mohanty, S. K., Cantrell, K. B., Nelson, K. L., & Boehm, A. B. (2014). Efficacy of biochar to remove Escherichia coli from stormwater under steady and intermittent flow. Water Research, 61, 288-296. http://doi.org/10.1016/j.watres.2014.05.026
Related Publication	Mohanty, S. K., Torkelson, A. A., Dodd, H., Nelson, K. L., & Boehm, A. B. (2013). Engineering Solutions to Improve the Removal of Fecal Indicator Bacteria by Bioinfiltration Systems during Intermittent Flow of Stormwater. Environmental Science & Technology, 47(19), 10791-10798. http://doi.org/10.1021/es305136b
Related Publication	Mohanty, S. K., Bulicek, M. C. D., Metge, D. W., Harvey, R. W., Ryan, J. N., & Boehm, A. B. (2015). Mobilization of Microspheres from a Fractured Soil during Intermittent Infiltration Events. Vadose Zone Journal, 14(1). http://doi.org/10.2136/vzj2014.05.0058
Location	https://purl.stanford.edu/ts453jb8444

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License: This work is licensed under an Open Data Commons Attribution License v1.0.

Preferred Citation: Mohanty, S. K., Boehm, A. B., Torkelson, A. A., Nelson, K. L., Maxwell, R. M., & McCray, J. E. (2014). N3.02 (formerly N4.2) Mohanty 2014 ReNUWIt Annual Meeting Poster. Stanford Digital Repository. Available at: https://purl.stanford.edu/ts453jb8444

Re-inventing the Nation's Urban Water Infrastructure (ReNUWIt)

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