TY - GEN
T1 - Modeling of funnel and gate systems for remediation of contaminated sediment
AU - Yan, Fei
AU - Reible, Danny D.
N1 - Funding Information:
Acknowledgments The project described was supported by Award No.: 1R01ES016154-01 from the National Institute of Environmental Health Sciences, National Institute of Health. The content is solely the responsibility of the authors and does not necessarily represent the official views of the NIEHS or the NIH.
Funding Information:
The project described was supported by Award No.: 1R01ES016154-01 from the National Institute of Environmental Health Sciences, National Institute of Health. The content is solely the responsibility of the authors and does not necessarily represent the official views of the NIEHS or the NIH.
Publisher Copyright:
© Springer-Verlag Berlin Heidelberg 2013.
PY - 2013
Y1 - 2013
N2 - Capping is typically used to control contaminant release from the underlying sediments. While conventional capping doesn’t necessarily provide the removal of contaminants, incorporating a ‘‘funnel and gate’’ reactive barrier with capping has the potential to treat contaminants or limit contaminant migration. The purpose of this study was to develop a model of funnel and gate systems for remediation of contaminated sediment. Numerical modeling of vertical two dimensional water flow and solute transport was built in COMSOL MULTIPHYSICS 3.4. The model was employed to evaluate the performance of the funnel and gate system, i.e. residence time, removal efficiency, and breakthrough curve. Two types of gates, reactive and adsorptive gates, were evaluated for the remediation of phenanthrene contaminated sediment. The simulated results showed that the performance of the reactive gate depended on Damkohler number at the gate, and the adsorptive gate could effectively slow contaminate migration into water body, and decrease the maximum concentration at the gate. This model could potentially serve as a design tool of funnel and gate systems for a range of typical sediment capping conditions.
AB - Capping is typically used to control contaminant release from the underlying sediments. While conventional capping doesn’t necessarily provide the removal of contaminants, incorporating a ‘‘funnel and gate’’ reactive barrier with capping has the potential to treat contaminants or limit contaminant migration. The purpose of this study was to develop a model of funnel and gate systems for remediation of contaminated sediment. Numerical modeling of vertical two dimensional water flow and solute transport was built in COMSOL MULTIPHYSICS 3.4. The model was employed to evaluate the performance of the funnel and gate system, i.e. residence time, removal efficiency, and breakthrough curve. Two types of gates, reactive and adsorptive gates, were evaluated for the remediation of phenanthrene contaminated sediment. The simulated results showed that the performance of the reactive gate depended on Damkohler number at the gate, and the adsorptive gate could effectively slow contaminate migration into water body, and decrease the maximum concentration at the gate. This model could potentially serve as a design tool of funnel and gate systems for a range of typical sediment capping conditions.
UR - http://www.scopus.com/inward/record.url?scp=85075699988&partnerID=8YFLogxK
U2 - 10.1007/978-3-642-27723-8_36
DO - 10.1007/978-3-642-27723-8_36
M3 - Conference contribution
AN - SCOPUS:85075699988
SN - 9783642277221
T3 - Environmental Science and Engineering
SP - 391
EP - 400
BT - Fluid Dynamics in Physics, Engineering and Environmental Applications, 2011
A2 - Klapp, Jaime
A2 - Cros, Anne
A2 - Medina, Abraham
A2 - Vargas, Carlos A.
PB - Springer
Y2 - 8 November 2011 through 11 November 2011
ER -