An Improved Calculation of the Thermodynamically Based Allocation of Cumulative Exergy Consumption in the Petroleum Distillation Process

›› 2008, Vol. 16 ›› Issue (1): 104-107.

An Improved Calculation of the Thermodynamically Based Allocation of Cumulative Exergy Consumption in the Petroleum Distillation Process

朱平

School of Chemistry and Chemical Engineering, Xuzhou Normal University, Xuzhou 221116, China

收稿日期:2007-04-23 修回日期:2007-10-27 出版日期:2008-02-28 发布日期:2008-02-28
通讯作者: ZHU Ping, E-mail: zhuping@xznu.edu.cn

An Improved Calculation of the Thermodynamically Based Allocation of Cumulative Exergy Consumption in the Petroleum Distillation Process

ZHU Ping

School of Chemistry and Chemical Engineering, Xuzhou Normal University, Xuzhou 221116, China

Received:2007-04-23 Revised:2007-10-27 Online:2008-02-28 Published:2008-02-28

摘要/Abstract

摘要： One of the most common problems arising from the application of exergy analysis is the allocation of cumulative exergy consumption (CExC) in the petroleum distillation process yielding several useful products. Based on the concept of exergy, an improved calculation of the minimum separation power of product (MSPP) in the petroleum distillation process is provided in this article. The calculation of MSPP can be derived from the concept of exergy. The related mathematical models are established. Finally, application of this method to a case study is given, and the results are compared with the ones using mass as an allocation parameter.

关键词: allocation, cumulative exergy consumption, minimum separation power of product, petroleum distilla-tion process

Abstract: One of the most common problems arising from the application of exergy analysis is the allocation of cumulative exergy consumption (CExC) in the petroleum distillation process yielding several useful products. Based on the concept of exergy, an improved calculation of the minimum separation power of product (MSPP) in the petroleum distillation process is provided in this article. The calculation of MSPP can be derived from the concept of exergy. The related mathematical models are established. Finally, application of this method to a case study is given, and the results are compared with the ones using mass as an allocation parameter.

Key words: allocation, cumulative exergy consumption, minimum separation power of product, petroleum distilla-tion process

朱平. An Improved Calculation of the Thermodynamically Based Allocation of Cumulative Exergy Consumption in the Petroleum Distillation Process[J]. , 2008, 16(1): 104-107.

ZHU Ping. An Improved Calculation of the Thermodynamically Based Allocation of Cumulative Exergy Consumption in the Petroleum Distillation Process[J]. , 2008, 16(1): 104-107.

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An Improved Calculation of the Thermodynamically Based Allocation of Cumulative Exergy Consumption in the Petroleum Distillation Process

An Improved Calculation of the Thermodynamically Based Allocation of Cumulative Exergy Consumption in the Petroleum Distillation Process

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