Application of Flow and Transport Optimization Codes to Groundwater Pump and Treat System Optimization

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by S. Laura Yeh, Naval Facilities Engineering Service Center, 1100 23rd Avenue, Port Hueneme, CA 93043,
David J. Becker, US Army Corps of Engineers,
Karla Harre, US Naval Facilities Engineering Service Center,
Kathy Yager, US Environmental Protection Agency Technology Innovation Office,
Robert Greenwald, GeoTrans, Inc.,
Barbara Minsker, University of Illinois Urbana-Champaign,
Richard Peralta, Utah State University,
Yan Zhang, GeoTrans, Inc.,
Chunmiao Zheng, University of Alabama,

Document Type: Proceeding Paper

Part of: World Water & Environmental Resources Congress 2003:

Abstract: With the recent focus on lowering the operating costs of environmental remediation systems, including groundwater pump and treat systems, there has been increased interest in algorithmic approaches to optimization. The Department of Defense and United States Environmental Protection Agency (USEPA) sponsored a study to evaluate the benefits and utility of transport optimization algorithms, operable on desktop computers, against trial and error approaches for pump and treat system design. This follows upon an earlier USEPA effort to determine the efficacy of a hydraulic optimization algorithm designed for MODFLOW. Mathematical optimization problems are formulated to minimize an objective and satisfy a set of constraints. Hydraulic optimization typically applies to plume containment problems, while transport optimization typically applies to problems associated with reduction of contaminant concentrations or contaminant mass. Transport optimization can consider life-cycle costs and cleanup time as components of the objective or as part of the constraints. Application of transport optimization could potentially reduce the costs for pump and treat systems by millions of dollars over the life of the projects, as this study has demonstrated. Note that these types of optimization tools have previously been (and currently are being) applied to Air Force projects.

Subject Headings: Pumps | Groundwater | Standards and codes | Groundwater flow | Water treatment | Algorithms | Water resources | Pollutants | Environmental issues | Hydraulic design | Remediation |

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