Abstract
With the increasingly prominent global energy and environmental problems, more and more enterprises have been required to desulfurize the exhausted gases. Different enterprises have different demands for the desulfurization process, thus the choice of desulfurization process methods has become a focus of attention. Since the evaluation of the desulfurization process involves many factors, this paper proposes an improved fuzzy comprehensive evaluation method to evaluate the selection of desulfurization process when the traditional evaluation method is not applicable. Firstly, an evaluation system with two rating indicators was constructed, which considers the subjective and objective weights comprehensively. Secondly using the two hierarchical indicators, an effective desulfurization process method was obtained according to the principle of maximum membership degree. Finally, we took a real papermaking factory as an example to illustrate the detailed implementation processes of this method. The result shows that the model could be used as a comprehensive evaluation tool to select desulfurization scheme or optimize the desulfurization process.
Highlights
With the rapid development of industry, gas pollution has caused serious environmental problems [1]
In this paper, several desulfurization process methods are evaluated by the improved fuzzy comprehensive evaluation method
Index comprehensive evaluation with clear overall objectives and difficult to quantify completely; the traditional fuzzy comprehensive evaluation method is applicable to the complex multi-factor and multi-level problems with fixed weights and unclear boundary description; and the neural network evaluation method is mainly used to deal with non-linearity, non-locality and non-convexity
Summary
With the rapid development of industry, gas pollution has caused serious environmental problems [1]. In this paper, several desulfurization process methods are evaluated by the improved fuzzy comprehensive evaluation method. Many researchers had studied and improved the fuzzy comprehensive evaluation method. Good results have been achieved, there is still a lack of an improved fuzzy comprehensive evaluation method suitable for the evaluation of desulfurization process. There is still a gap of a complete evaluation system to support different application scenarios for scheme selection For improving this methodology, this paper summarizes the development and application status of desulfurization technology at home and abroad. By using the theory and method of fuzzy comprehensive evaluation, the index of desulfurization process method is analyzed and studied, a reasonable and operable evaluation index system with two rating hierarchical grades is put forward. According to the principle of maximum membership degree, the ranking of desulfurization process methods is obtained through the second-level fuzzy comprehensive evaluation of the indicators
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