Design of Energy Efficient Distillation Columns Systems

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Noor Asma Fazli, Abdul Samad and Mohd Faris, Mustafa and Kamarul, Asri Ibrahim and Norzana, Ibrahim and Mohd Kamaruddin, Abd Hamid (2014) Design of Energy Efficient Distillation Columns Systems. In: Proceedings of International Symposium on Green Manufacturing and Applications, 24-28 June 2014 , Busan, Korea. pp. 66-69..

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Abstract

Distillation is the primary separation process widely used in the industrial chemical processing. Although it has many advantages, the main drawback is its large energy requirement, which can significantly influence the overall plant profitability. However, the large energy requirement of these processes can be systematically reduced by using driving force and energy integration methods. This paper presents a methodology for designing energy efficient distillation columns systems based on those two methods. Accordingly, the proposed methodology consists of four hierarchical steps. In the first step, the system of distillation columns for multicomponent separation is designed based on the conventional distillation column design (shortcut) method. Then, the conventional distillation columns systems design is improved in terms of energy saving by using driving force method in the second step. It is expected in the third step that the distillation columns systems design can be further improved in terms of energy saving by using energy integration method. Finally, the distillation columns systems design is evaluated in in terms of economic performance. The simulation results by using Aspen HYSYS have shown that the direct sequence (Benzene and Toluene) for BTX (Benzene, Toluene and p-Xylene) has energy savings with 8% reduction by using driving force method compared to a shortcut method. It can be verified that the proposed methodology has the capability in designing energy efficient distillation columns in an easy, systematic and practical manner.

Item Type:Conference or Workshop Item (Speech)
Uncontrolled Keywords:Energy Efficient Distillation Columns, Driving Force, Pinch Technology
Subjects:T Technology > TP Chemical technology
Divisions:Faculty of Chemical & Natural Resources Engineering
ID Code:8379
Deposited By: Mrs. Neng Sury Sulaiman
Deposited On:03 Apr 2015 10:41
Last Modified:21 May 2018 13:12

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