کد مقاله کد نشریه سال انتشار مقاله انگلیسی ترجمه فارسی نسخه تمام متن
691214 1460443 2012 10 صفحه PDF سفارش دهید دانلود رایگان
عنوان انگلیسی مقاله ISI
Synthesis of heat-integrated distillation sequence systems
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موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی تکنولوژی و شیمی فرآیندی
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Synthesis of heat-integrated distillation sequence systems
چکیده انگلیسی

Energy-efficient distillation systems can be achieved through the mathematical optimisation of distillation sequencing in which heat integration is simultaneously considered. Genetic algorithms have been employed to optimise the most appropriate sequences based on both simple and complex columns for a given separation requirement, with rigorous economic trade-offs between energy and capital costs used in the determination of distillation sequence. Thermodynamic and economic performance of distillation columns has been simulated and measured with short-cut models, while a conceptual decomposition method has been applied for evaluating complex columns. An incidence matrix has been proposed to identify the optimal heat recovery between available heat sources and sinks existing in the distillation sequence. Two case studies have been presented to demonstrate the importance of considering heat integration simultaneously in the optimisation of distillation sequencing, and 8–17% of overall cost savings have been achieved, compared to the conventional synthesis method.


► Development of an optimisation model for energy-efficient distillation sequence systems.
► Mathematical optimisation of distillation sequencing in which heat integration is simultaneously made.
► Economic trade-offs between energy and capital costs in distillation sequence systems.
► Demonstration of the importance of considering energy minimisation in distillation systems.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of the Taiwan Institute of Chemical Engineers - Volume 43, Issue 4, July 2012, Pages 525–534
نویسندگان
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