Optimization-based method for calculating water networks with user specified characteristics |
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Authors: | Grzegorz Poplewski Krzysztof Wa?czykJacek Je?owski |
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Affiliation: | Rzeszów University of Technology, Department of Chemical Engineering and Process Control, al. Powstańców Warszawy 6, 35-959 Rzeszów, Poland |
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Abstract: | This paper addresses problem of designing water usage network that consists of fixed flow rate water using processes. A design method is founded on the solution of mixed-integer linear programming (MILP) model of network superstructure. The application of optimization to solve basic formulation of network synthesis has been reported in some works. However, this approach applies certain extensions of the standard formulation that allow accounting for several industrial scenarios. In particular, it is possible to apply various performance indices and imposing conditions on continuous variables as well as on network topology. Multiple contaminant case is easily accounted for. At least but not at last, the method is able to generate several solutions of identical values of major performance indices but of different structure and other features. All these possibilities are available within single optimization framework. Several examples are given to illustrate advantages of the approach. |
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Keywords: | Water usage network Fixed flow rate process Superstructure optimization Mixed-integer linear programming |
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