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Published on: June 12, 2016
Entropic Balance Conditions and Optimization of Distillation Column System
Alexander Balunov1, Ivan Sukin2, Anatoly Tsirlin3
1Cybernetics Department, Yaroslavl State Technical University, 150023 Yaroslavl, Russia.
Abstract:
The paper considers the limitation problem of the distillation column systems separating multicomponent mixtures with serial and parallel structures. The solution takes into account the irreversibility of processes. Using entropic balance conditions, the dependence of load on heat consumption is obtained for a binary distillation column. This dependence is parameterized through two characteristic coefficients-reversible efficiency and irreversibility factor. This dependence was used to solve problems of distribution of heat and raw material fluxes in parallel column structure and selection of optimal separation order in serial structure. The obtained results make it possible to estimate the minimum heat consumption for the separation of a given flow of raw materials, the maximum productivity, and efficiency of the system.
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