标题：Optimal Design of Water Networks in Process Industries Using Mathematical Model
作者：Zhou Jianren; Cui Zhaojie
作者机构：[Zhou Jianren; Cui Zhaojie] Shandong Univ, Sch Environm Sci & Engn, Jinan, Peoples R China.
会议名称：2nd International Conference on Computer and Automation Engineering (ICCAE)
会议日期：FEB 26-28, 2010
来源：2010 2ND INTERNATIONAL CONFERENCE ON COMPUTER AND AUTOMATION ENGINEERING (ICCAE 2010), VOL 2
关键词：process integration; water minimization; water network; mixed integer; linear programming (MILP)
摘要：This paper presents a mathematical programming model for the optimal design of water networks to achieve the minimum operating cost. The method combines water-using processes with wastewater-treating operations into a single network based on source/sink representation. The model, which contains all the network configurations of source-sink matches including reuse, regeneration reuse and regeneration recycle, also considering multiple contaminants, is formulated as a mixed integer linear programming (MILP) with topological constraints. The MILP model's global optimality is guaranteed if a solution exists. Finally, a case study involving water reuse/recycle is implemented to show the effectiveness of the model. A considerable reduction of freshwater usage and wastewater discharge and optimal water network are obtained.