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《Journal of Chemical Industry and Engineering(China)》 2002-01
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STEP BY STEP LINEAR PROGRAMMING METHOD FOR WASTEWATER MINIMIZATION

HU Yangdong and XU Dongmei HUA Ben (College of Chemistry and Chemical Engineering,Qingdao (Institute of Chemical Engineering,South China University University of Ocean,Qingdao 266003,Shandong,China) of Technolo  
Water pollution and scarcity of water is a life-and-death problem the human being is facing.It is worthy of investigation of evolving water-using processes to reduce both fresh water consumption and wastewater production.This paper approaches the optimized design of water-using processes,i.e. wastewater minimization.The concepts of process source and process sequence are introduced.For reuse process of a single contaminant and multiple contaminants along with regeneration and reuse process of a single contaminant,a new computation method is addressed respectively,which is named as step by step linear programming method.From the beginning,the processes are sectionalized or collated according to the limiting operating data of lean streams, and then the matching between rich streams and lean streams(water sources) is optimized step by step in accordance with the collated processes, ultimately the design of water-using network is attained.Four examples are solved to demonstrate the effectiveness and convenience of the new method.
【Fund】: 国家重点基础研究发展规划项目 (No .2 0 0 0 0 2 6 30 8);; 国家自然科学基金重点资助项目 (No .2 9836 14 0 )~~
【CateGory Index】: X11
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