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      Applying the Taguchi Method to River Water Pollution Remediation Strategy Optimization

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          Abstract

          Optimization methods usually obtain the travel direction of the solution by substituting the solutions into the objective function. However, if the solution space is too large, this search method may be time consuming. In order to address this problem, this study incorporated the Taguchi method into the solution space search process of the optimization method, and used the characteristics of the Taguchi method to sequence the effects of the variation of decision variables on the system. Based on the level of effect, this study determined the impact factor of decision variables and the optimal solution for the model. The integration of the Taguchi method and the solution optimization method successfully obtained the optimal solution of the optimization problem, while significantly reducing the solution computing time and enhancing the river water quality. The results suggested that the basin with the greatest water quality improvement effectiveness is the Dahan River. Under the optimal strategy of this study, the severe pollution length was reduced from 18 km to 5 km.

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          Most cited references11

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          Application of a weighted Grey-Taguchi method for optimizing recycled aggregate concrete mixtures

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            Spatially Variable Deoxygenation in the Danshui River Improvement in Model Calibration

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              Technical challenges with BOD/DO modeling of rivers in Taiwan

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                Author and article information

                Journal
                Int J Environ Res Public Health
                Int J Environ Res Public Health
                ijerph
                International Journal of Environmental Research and Public Health
                MDPI
                1661-7827
                1660-4601
                15 April 2014
                April 2014
                : 11
                : 4
                : 4108-4124
                Affiliations
                [1 ]Department of Civil Engineering, National Taiwan University, Taipei 10617, Taiwan; E-Mail: ak8687@ 123456ntpc.gov.tw
                [2 ]Wastewater Sewerage System Engineering Division, Water Resources Department, New Taipei City government 234, Taiwan; E-Mail: Cchiang719@ 123456gmail.com
                [3 ]MWH Americas Inc., Taiwan Branch 106, Taiwan; E-Mail: leo.wang@ 123456mwhglobal.com
                Author notes
                [* ] Author to whom correspondence should be addressed; E-Mail: nsshue@ 123456ntu.edu.tw ; Tel.: +886-2-3366-4270; Fax: +886-2-3366-5866.
                Article
                ijerph-11-04108
                10.3390/ijerph110404108
                4025036
                24739765
                0fd16b82-7501-4e46-ab4e-eac26efd29c3
                © 2014 by the authors; licensee MDPI, Basel, Switzerland.

                This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license ( http://creativecommons.org/licenses/by/3.0/).

                History
                : 27 February 2014
                : 02 April 2014
                : 08 April 2014
                Categories
                Article

                Public health
                water pollution remediation,optimization,taguchi method,orthogonal arrays
                Public health
                water pollution remediation, optimization, taguchi method, orthogonal arrays

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