Application of fuzzy association analysis to evaluation of recycling economy in coal enterprises

After analyzing the current situation of recycling economy in coal enterprises and establishing the principle of evaluation indexes for recycling economy in coal enterprises,an evaluation index system is estab-lished.It includes four criterion levels(economy development,resource utilization,social development and recycling system)and twenty-two indexes.Considering various evaluation methods for recycling economy and features of coal enterprises,a fussy association evaluation model for recycling economy in coal enterprises is established,and the model proves to be effective and correct with a case study.