Abstract
Site selection of waste-to-energy (WtE) plant is critically important in the whole life cycle. Some research has been launched in the WtE plant site selection, but there is still a serious problem called Not In My Back Yard (NIMBY) effect that needs to be solved. To solve the problem, an improved multigroup VIKOR method is proposed to choose the optimal site and compromised sites. In the proposed method, the public satisfaction is fully considered where the public is invited as an evaluation group far more than creating general indicators to represent the public acceptance. First of all, an elaborate criteria system is built to evaluate site options comprehensively and the weights of criteria are identified by Analytic Hierarchy Process (AHP) method. Then, the interval 2-tuple linguistic information is adopted to assess the ratings for the established criteria. The interval 2-tuple linguistic ordered weighted averaging (ITL-OWA) operator is utilized to aggregate the opinions of evaluation committee while the opinions of the public are aggregated using weighted average operator. Finally, a case from south China which shows the computational procedure and the effectiveness of the proposed method is proved. Last but not least, a sensitivity analysis is conducted by comparing the results with different weights of evaluation group assessments.
Highlights
In recent decades of China, more and more wastes are piled up around cities which damage the environment but limit the urban development
During the rapid development of the construction of waste incineration power plants, the site selection has become the critical problem in the whole project
Distortion which results in choosing an unsatisfied alternative [7]. (iii) Different from other forms of power generation, it is technically feasible for the public to make appropriate judgement on WtE site selection problem and necessary to obtain the recognition of surrounding residents [8]
Summary
In recent decades of China, more and more wastes are piled up around cities which damage the environment but limit the urban development. In the evaluation process of waste-to-energy (WtE) site selection, there are mainly three problems that need to be solved. (iii) Different from other forms of power generation, it is technically feasible for the public to make appropriate judgement on WtE site selection problem and necessary to obtain the recognition of surrounding residents [8]. During the process of gathering assessment information, it would be hard for many people to make a certain judgement about these decision factors of different alternatives. In the proposed decision framework, interval 2-tuple linguistic information is applied to make evaluation of each criterion when assessing different WtE site options by DMs (Decision Makers) to make the process of evaluation easier and reduce the probability of data distortion. We design a new VIKOR framework which aggregates the evaluation of experts group and the public to handle the WtE site selection problems. The main contributions of this work can be summarized: (1) Firstly, the established evaluation system takes the public satisfaction into account by turning the public into one of the decision makers, which can help solve the NIMBY problem through full investigation. (2) Secondly, the extended VIKOR method can integrate the results of different evaluation groups with significant backgrounds, by endowing different weights to eliminate the evaluation deviation in the integrated result. (3) the method proposed could enrich the
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