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Increasingly severe environmental and resource issues is a direct threat to the survival of mankind circular economy theory , in order to achieve the sustainable development of the whole society , the people , in order to solve a series of environmental and ecological problems facing humanity circular economy is an advanced sustainable development model , while the eco- industrial park is an important carrier of circular economy . In the park , through the convergence of cleaner production and eco- industrial chain , can make full use of the existing resources , to achieve the purpose of waste and minimize environmental pollution is minimized . Material and energy cycle is the core part of the eco - industrial park , substances with strong IU research methods to the analysis of the material cycle of the the Mengxi eco- industrial park in this article . The park 's major industries : power plants , cement plants , hard coke plant and kaolin factory . IU value of its solid waste , fresh water and sewage , drawn were 29.7t/104RMB 24.6m3/104RMB , 4.4 m3/104RMB . Energy Mengxi industrial park mainly industry input-output analysis , draw its energy consumption per unit of GDP , respectively, of 11.1t of standard coal / 104RMB 10.6t standard coal / 104RMB, 0.5t standard coal / 104RMB, 4.1t standard coal / 104RMB. To arrive at the park the IU value is too large , the low level of material recycling ; another by comparing the energy consumption of major enterprises in the park are in line with national standards , but not perfect, should be strengthened in the park internal energy cycle .
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