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Design of Complex Distillation Process Based on Genetic Programming

DING Li ying 1,LI Yu gang 2,HAN Fang yu 1 (1.Computer and Chemical Engineering Research Center,Qingdao University of Science and Technology,Qingdao 266042,China;2.College of Chemical Engineering,South China University of Technology,Guangzhou 510640,China)  
Genetic programming was applied to design multi components complex distillation process by setting up an interrelationship between the individual code and the process structure. With the help of equivalent simple distillation process,the objective value, that is the fitness,of complex process was determined.After a series of operations,such as reproduction,crossover and mutation between individuals,the process structure with optimum economic objective (the sum of equipment cost and operation cost) was obtained.An example was given to illustrate the effectiveness of this method.
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