Grey weighting method for sewage treatment process comprehensive evaluation

Abstract

The invention relates to a grey weighting method for sewage treatment process comprehensive evaluation, and belongs to the field of sewage treatment technology optimization. The grey weighting method comprises the following steps that 1, combined weights of evaluation indexes are determined, i.e., an entropy weight method and an order relation analytical method are respectively adopted for determining objective and subjective weights of evaluation indexes, and then, game theory thoughts are applied to determining the combined weights of the evaluation indexes; 2, the grey correlation analysis theory is applied to determining the optimum process. The grey weighting method has the advantages that the grey weighting method is used as an evaluation process of a sewage treatment process, the whole evaluation process adopts an objective and subjective weighting method, ranging results are enabled to show subjective information and objective information, the evaluation decision method is simple and intuitive, and the computer programming is easy.

Description

technical field [0001] The invention relates to a gray weighting method for comprehensive evaluation of sewage treatment technology, which belongs to the field of calculation and optimization of sewage treatment, provides technical support for decision makers, and is also applied to comprehensive evaluation during the operation of sewage treatment technology to realize the optimal state of sewage treatment operation. Background technique [0002] (1) Comprehensive evaluation and optimization method of sewage treatment process [0003] The selection of sewage treatment process is a systematic project, which belongs to the comprehensive evaluation of multiple factors. Due to the variety of sewage treatment processes used in actual projects, and the different processes used in sewage treatment plants, the economic, technical and environmental benefits of investment, land use, and operation management of sewage treatment plants have been affected. Therefore, more stringent requ...

AI Technical Summary

Problems solved by technology

An important issue involved in the comprehensive evaluation of sewage treatment technology is the determination of the weight of the evaluation index. Most of them use subjective weight to determine the weight of the evaluation index. In order to make up for the subjectivity of the subjective weighting method, the patent "Entropy Weight Fuzzy Matter-Element Method for Comprehensive Evaluation of Sewage Treatment Process" (patent number: 20111095227.5) uses the entropy weight method to determine the objective weight of the evaluation index, but Ignores the subjective information of decision makers, which is also very important for evaluation

Images