Performance optimization of a diabatic distillation-column by allocating a sequential heat-exchanger inventory
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.
Year of publication: |
2007
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Authors: | Shu, Liwei ; Chen, Lingen ; Sun, Fengrui |
Published in: |
Applied Energy. - Elsevier, ISSN 0306-2619. - Vol. 84.2007, 9, p. 893-903
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Publisher: |
Elsevier |
Keywords: | Finite-time thermodynamics Diabatic distillation Sequential heat-exchangers Temperature profile Entropy-production rate minimization Performance optimization |
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