Optimal planning of a dynamic pump-treat-inject groundwater remediation system

Liang-Jeng Chang*, Hone Jay Chu, Chin Tsai Hsiao

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

42 Scopus citations

Abstract

This study integrates the genetic algorithm (GA) and constrained differential dynamic programming (CDDP) to design the pump-treat-inject system. The proposed model considers both the cost of installing wells (fixed cost) and the operating cost of pumping, injection and water treatment. To minimize the total cost while meeting the water quality constraints, the model can compute the optimal number and locations of wells, as well as the associated optimal pumping and injection schemes. Various numerical cases reveal that the requirement to balance the total volume between pumping and injection can significantly influence the final optimal design.

Original languageEnglish
Pages (from-to)295-304
Number of pages10
JournalJournal of Hydrology
Volume342
Issue number3-4
DOIs
StatePublished - 1 Sep 2007

Keywords

  • Differential dynamic programming
  • Genetic algorithm
  • Optimal planning
  • Pump-treat-inject
  • Remediation

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