화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Journal of Chemical Engineering, Vol.26, No.5, 1161-1174, September, 2009
DOI10.1007/s11814-009-0196-5  Export Citation
Simultaneous optimal integration of water utilization and heat exchange networks using holistic mathematical programming
Wu Xiao, Rui-jie Zhou1, Hong-Guang Dong†, Nan Meng, Chih-Yao Lin2, and Vincentius Surya Kurnia Adi2
  • School of Chemical Engineering, Dalian University of Technology, Dalian 116012, Liao Ning, PRC, China
  • 1Department of Economics, Dalian University of Technology, Dalian 116024, Liao Ning, PRC, China
  • 2Department of Chemical Engineering, National Cheng Kung University, Tainan 70101, Taiwan, ROC, China
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A systematic holistic mathematical programming (HMP) is proposed to formulate a mixed integer nonlinear programming (MINLP) model for one-step optimization of water-allocation and heat exchange network (WAHEN) designs with single- or multi-contaminant water streams. The proposed model formulation and solution strategy are believed to be superior to the available ones in the following aspects. First, a comprehensive representation combining two separate superstructures is adopted to capture the structural characteristics of the integrated WAHEN. Then, a hybrid optimization strategy integrating stochastic and deterministic components is developed for the resulting MINLP model and, also, an interactive iteration method is adopted based on sensitivity analysis to guide the search toward a potential global optimum. Finally, evolutionary strategies and manipulations are executed to enhance WAHEN configurations. Two illustrative examples are presented to demonstrate the validity and advantages of the proposed approach.
Keywords:Simultaneous Optimization;Water Utilization Network;Heat Exchange Network;Evolutionary Strategy
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