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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.1
- 수록면
- 891 - 901 (11page)
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Trichloroethylene (TCE) and other solvents are found as groundwater contaminants in industrial complexes. Pump-andtreat (PAT) systems are commonly selected for remediation, but have the disadvantages of long operation time and high cost. To reduce the remediation time and cost of PAT systems, a cost-effective optimal design was obtained with a simulation–optimization model. MODFLOW and MT3DMS were used for simulating groundwater flow and contaminant transport. A genetic algorithm was used for optimization, and a parallel computing technique was used for faster optimization. Cost-effective optimal design was achieved using two objective functions, which calculated the total remediation cost by means of installation, operational, and maintenance costs. Based on the restrictions in the study area, two remediation scenarios were examined. Scenario 1 involved the removal of TCE, and Scenario 2 involved the containment of TCE within the compliance line. The total remediation costs of scenario 2 were 77.4~90.4% of scenario 1. The remediation time decreased from 9.87 years in scenario 1 to 8.13 years in scenario 2. Sensitivity analysis determined the effects of installation, operational, and maintenance costs on the total remediation cost, showing that optimal total cost and remediation time were most affected by operational cost. A parallel computing technique using 40 networked slave processes increased optimization speed by 16.9 times. However, the efficiency of the parallel computing technique decreased as networking time increased.
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참고문헌 (20)
참고문헌 신청
Baek, W. / 2011 / Source apportionment of trichloroethylene in groundwater of the industrial complex in Wonju, Korea : a 15-year distribute and perspective / Water and Environment Journal 25:336~344
Chang, L.C. / 2002 / Dynamic optimal ground water remediation including fixed and operation costs / Ground Water 40:481~490
Gangwon Province / 2005 / Detailed Investigation and Basic Remediation Design for Contaminated Soil and Groundwater in the Woosan Industrial Complex :309
Goldberg, D. E. / 1989 / Genetic Algorithms in Search, Optimization and Machine Learning / Addison-Wesley :432
Harbaugh, A. W. / 2005 / MODFLOW-2005, the U.S. Geological Survey modular ground-water model – the Ground-Water Flow Process :253
Chang, L.C. / 2002 / Dynamic optimal ground water remediation including fixed and operation costs / Ground Water 40:481~490
Gangwon Province / 2005 / Detailed Investigation and Basic Remediation Design for Contaminated Soil and Groundwater in the Woosan Industrial Complex :309
Goldberg, D. E. / 1989 / Genetic Algorithms in Search, Optimization and Machine Learning / Addison-Wesley :432
Harbaugh, A. W. / 2005 / MODFLOW-2005, the U.S. Geological Survey modular ground-water model – the Ground-Water Flow Process :253
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