Assessment Of Material & Energy Metabolism And Its Performance In A Typical Chinese Chemical Industrial Park

Chemical industry is crucial to China national economy,and chemical industrial park(CIP)is an significant carrier of the development of chemical industry.China’s CIP has undergone rapid development with government support.However,this industry is both energy-intensive and emission-intensive.So,it is of essential importance to carry out safety and eco-friendly production,in order to make chemical industry sustainable.In this study,the typical chemical park-Hangzhou Bay Shangyu Economic and Technological Development Zone(HSEDA)was explored to explore the metabolism of material(total organic carbon)and energy.From 2007 to 2013,the carbon element exchanged between the material supply chain increased from 3185 t to 54804 t.The E factor of dye production decreased from 1.23 kg / kg to 0.59 kg / kg in 2013,and the carbon efficiency increased from 69% to 71.7%.The upstream and downstream supply chain between the dye industry is becoming more and more mature.Based on the material flow analysis(SFA),we proposed a model to extend green chemistry beyond the boundary of a single product by hybridizing it with the concept of industrial ecology in a chemical industrial park.The model works at four levels: single product,product food web,infrastructure sharing,and industrial park management.The model is exemplified in-depth in a typical Chinese chemical industrial park.We assessed the performance of disperse dyestuff manufacturing in the park and found that the park showed substantial reduction in its sulfuric acid consumption,water pollutants emission,and hazardous solid waste generation in disperse dyestuff production from 2007 to 2015.The chemical energy in the process of disperse dyestuffs in the park is fully utilized,and the energy cascade utilization in the production process is fully utilized.Through the system optimization,the energy efficiency of disperse dyes is also improved.Integrating green chemistry and industrial ecology in the context of chemical industrial parks will be insightful for other chemical industrial parks aiming to facilitate green development.