Performance optimization of a diabatic distillation-column by allocating a sequential heat-exchanger inventory

Liwei Shu, Lingen Chen and Fengrui Sun

Applied Energy, 2007, vol. 84, issue 9, 893-903

Abstract: A diabatic distillation model is improved and the effects of the allocation of a heat-exchanger inventory on the diabatic-distillation performance are taken into account. Minimizing the entropy-production rate of the diabatic distillation column is taken as the optimization objective and the allocations of the heat-exchanger inventory on each tray in the diabatic distillation column are optimally redistributed under the condition of the fixed total heat-exchanger inventory. The optimal performance of the diabatic distillation column is obtained. The diabatic distillation model is meaningful for the design and optimization of diabatic distillation plant.

Keywords: Finite-time; thermodynamics; Diabatic; distillation; Sequential; heat-exchangers; Temperature; profile; Entropy-production; rate; minimization; Performance; optimization (search for similar items in EconPapers)
Date: 2007
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Citations: View citations in EconPapers (4)

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