Optimal timeline of the process of crystallization of a Sugar Factory
Abstract
In the last 20 years there has been significant progress in the area of production planning short-term batch processes [1], which together with sequencing tasks have been useful tools in decision making for maximizing a profit or minimize costs. This project developes the optimal sequencing of first, second and third category distillations of the room of crystallization of a typical sugar industry. It seeks to maximize a cost function that relates the maximum amount of liquor to be processed to obtain the maximum amount of sugar subject to a number of restrictions, Brix, purity, and thus ensure optimum utilization of the equipment within the ranges of time. The resulting mathematical model is MINLP, mixed type because it involves binary variables that assign and decide when a distillation process is in boot, cooking or download and because of the nonlinearities in the equations. GAMS is used for its resolution
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References
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