N3.03 Ulrich 2016 ReNUWIt Annual Meeting Poster

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Abstract/Contents

Abstract: Distributed urban stormwater treatment systems improve receiving water quality and preserve landscape permeability, but less effectively remove polar trace organic contaminants (TOrCs), such as urban-use biocides and compounds from automobiles. Moreover, many of these TOrCs may form more toxic transformation products. The aim of this project is to design novel distributed stormwater treatment systems for predictable removal of polar TOrCs and their transformation products. This is being pursued in two research avenues. First, enhanced TOrC retention by black carbons (BCs), such as biochar and activated carbon (AC), has been evaluated using column experiments and forward-prediction transport models. Ongoing research in this area is focused on gaining a better understanding of infiltration media lifetime and limiting TOrC accumulation through the evaluation of biodegradation rates and transformation products in the presence of BC. Second, TOrC uptake and subsequent metabolism by plants is being evaluated as another means of limiting TOrC accumulation in infiltration basins. Rapid uptake and degradation of benzotriazoles and benzothiazoles, as well as the generation of novel transformation products, have been discovered in this work.

Type of resource	other
Date created	May 2016

Subject	Re-inventing the Nation’s Urban Water Infrastructure
Subject	ReNUWIt
Subject	N3.03
Subject	Natural Water Infrastructure Systems
Subject	Distributed stormwater treatment unit processes
Subject	Colorado
Subject	adsorption
Subject	biodegradation
Subject	bioretention
Subject	black carbon
Subject	carbon
Subject	degradation
Subject	fecal indicator bacteria
Subject	infiltration
Subject	management
Subject	matter
Subject	nitrogen
Subject	organic contaminants
Subject	pharmaceuticals
Subject	phosphorus
Subject	removal
Subject	runoff
Subject	soil
Subject	sorption
Subject	substances
Subject	toxicity
Subject	urban stormwater
Subject	water
Subject	water quality

Related Publication	Ulrich, B. A., Im, E. A., Werner, D., & Higgins, C. P. (2015). Biochar and Activated Carbon for Enhanced Trace Organic Contaminant Retention in Stormwater Infiltration Systems. Environmental Science & Technology, 49(10), 6222-6230. http://doi.org/10.1021/acs.est.5b00376
Related Publication	Ulrich, B. A., Loehnert, M., & Higgins, C. P. (2017). Improved contaminant removal in vegetated stormwater biofilters amended with biochar. Environmental Science-Water Research & Technology, 3(4), 726-734. http://doi.org/10.1039/c7ew00070g
Related Publication	Ulrich, B. A., Vignola, M., Edgehouse, K., Werner, D., & Higgins, C. P. (2017). Organic Carbon Amendments for Enhanced Biological Attenuation of Trace Organic Contaminants in Biochar-Amended Stormwater Biofilters. Environmental Science & Technology, 51(16), 9184-9193. http://doi.org/10.1021/acs.est.7b01164
Location	https://purl.stanford.edu/nj960zj4687

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

Preferred Citation: Ulrich, B. A., LeFevre, G. H., Im, E. A., Roberts, S., Portmann, A. C., Mueller, C., Satley, E., Luthy, R. G., Werner, D. & Higgins, C. P. (2016). N3.03 Ulrich 2016 ReNUWIt Annual Meeting Poster. Stanford Digital Repository. Available at: https://purl.stanford.edu/nj960zj4687

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

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