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Sustainability 2017, 9(2), 251; doi:10.3390/su9020251

Equilibrium Strategy Based Recycling Facility Site Selection towards Mitigating Coal Gangue Contamination

1,2,†,‡,* , 1,2,‡
and
2,‡
1
Institute of New Energy and Low-Carbon Technology, Sichuan University, Chengdu 610064, China
2
Uncertainty Decision-Making Laboratory, Sichuan University, Chengdu 610064, China
Current address: Uncertainty Decision-Making Laboratory, Sichuan University, Chengdu 610064, China.
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Received: 7 December 2016 / Accepted: 6 February 2017 / Published: 10 February 2017
(This article belongs to the Section Sustainable Use of the Environment and Resources)
View Full-Text   |   Download PDF [2770 KB, uploaded 19 February 2017]   |  

Abstract

Environmental pollution caused by coal gangue has been a significant challenge for sustainable development; thus, many coal gangue reduction approaches have been proposed in recent years. In particular, coal gangue facility (CGF) construction has been considered as an efficient method for the control and recycling of coal gangue. Meanwhile, the identification and selection of suitable CGF sites is a fundamental task for the government. Therefore, based on the equilibrium strategy, a site selection approach under a fuzzy environment is developed to mitigate coal gangue contamination, which integrates a geographical information system (GIS) technique and a bi-level model to identify candidate CGF sites and to select the most suitable one. In this situation, the GIS technique used to identify potential feasible sites is able to integrate a great deal of geographical data tofitwithpracticalcircumstances;thebi-levelmodelusedtoscreentheappropriatesitecanreasonably dealwiththeconflictsbetweenthelocalauthorityandthecolliery. Moreover,aKarush–Kuhn–Tucker (KKT) condition-based approach is used to find an optimal solution, and a case study is given to demonstrate the effectiveness of the proposed method. The results across different scenarios show that appropriate site selection can achieve coal gangue reduction targets and that a suitable excess stack level can realize an environmental-economic equilibrium. Finally, some propositions and management recommendations are given. View Full-Text
Keywords: coal gangue contamination; recycling facility; site selection; equilibrium strategy; environmental improvement coal gangue contamination; recycling facility; site selection; equilibrium strategy; environmental improvement
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Xu, J.; Fan, L.; Lv, C. Equilibrium Strategy Based Recycling Facility Site Selection towards Mitigating Coal Gangue Contamination. Sustainability 2017, 9, 251.

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