Water network integration for industrial park based on numerical indicators

This paper presents a numerical approach for water network integration of industrial park. A new numerical indicator General Treatment Potential (GTP) is proposed to reflect the general potential of the source streams to be treated by the treatment unit. To design the public distributed treatment system, the source streams are arranged in descending order of their GTP values, and treated in turn. To design the reused network in each plant, the treated streams are added into the plant as source streams, and reused by the demand streams. The final integrated water network can be obtained in several iterations. Three examples with two cases, network retrofitting and network design, are investigated to show the proposed approach. The results show that the proposed design procedure can reduce the freshwater consumption, cut down the annualized cost, or simplify the structure of the water network in industrial park.