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Open AccessArticle

A Comprehensive Evaluation Method for Industrial Sewage Treatment Projects Based on the Improved Entropy-TOPSIS

by Xin Yu 1, Sid Suntrayuth 1 and Jiafu Su 2,*
1
International College, National Institute of Development Administration, Bangkok 10240, Thailand
2
National Research Base of Intelligent Manufacturing Service, Chongqing Technology and Business University, Chongqing 400067, China
*
Author to whom correspondence should be addressed.
Sustainability 2020, 12(17), 6734; https://doi.org/10.3390/su12176734
Received: 7 July 2020 / Revised: 15 August 2020 / Accepted: 18 August 2020 / Published: 20 August 2020
(This article belongs to the Special Issue Sustainable Wastewater Treatments and Reuse)
Sewage treatment and reuse have always been hot issues in both the business and academic communities in all nations around the world. In order to solve the difficulties in accurate quantization and objective evaluation of industrial sewage treatment projects, this paper proposed a comprehensive industrial sewage treatment project evaluation method based on the improved entropy–TOPSIS method. First, this paper constructed an evaluation indicator system for sewage treatment projects from the four aspects of environmental performance, economic performance, managerial performance and social performance. Second, it made a modification to the experts’ experience-based grading using the entropy weight method and determined the weight of the indicators in a more objective and more accurate manner. Third, this work improved the traditional TOPSIS method and simplified the calculations with regard to the traditional TOPSIS-based comprehensive evaluation. Finally, by taking the example of evaluating industrial sewage treatment projects of the China Water Affairs Group in Q city (ChongQing), China, this paper verified the feasibility and practicability of the proposed comprehensive industrial sewage treatment project evaluation system and method. View Full-Text
Keywords: industrial sewage treatment projects; environmental protection; comprehensive evaluation; entropy weight method; TOPSIS method industrial sewage treatment projects; environmental protection; comprehensive evaluation; entropy weight method; TOPSIS method
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Yu, X.; Suntrayuth, S.; Su, J. A Comprehensive Evaluation Method for Industrial Sewage Treatment Projects Based on the Improved Entropy-TOPSIS. Sustainability 2020, 12, 6734.

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