Enhanced exergy cost optimization of operating conditions in FCCU main fractionator

Chonglin Zhong; Yi Zheng; Shenghu Xu; Shaoyuan Li

doi:10.1016/j.cjche.2018.06.013

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Enhanced exergy cost optimization of operating conditions in FCCU main fractionator

Selected Papers from the 28th Chinese Process Control Conference | Updated：2026-01-06

- Enhanced exergy cost optimization of operating conditions in FCCU main fractionator
- Chinese Journal of Chemical Engineering Vol. 26, Issue 8, Pages: 1750-1757(2018)
- Affiliations：
  
  2 Sinopec Jiujiang Branch Corporation,Jiujiang,China,332004
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2018.06.013
  CLC：
- Published：2018
- Accepted：
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Chonglin Zhong, Yi Zheng, Shenghu Xu, Shaoyuan Li. Enhanced exergy cost optimization of operating conditions in FCCU main fractionator[J]. Chin.J.Chem.Eng., 2018, 26(8): 1750-1757.
DOI：

Chonglin Zhong, Yi Zheng, Shenghu Xu, Shaoyuan Li. Enhanced exergy cost optimization of operating conditions in FCCU main fractionator[J]. Chin.J.Chem.Eng., 2018, 26(8): 1750-1757. DOI： 10.1016/j.cjche.2018.06.013.

摘要

Abstract

Exergy indicates the maximal energy that can do work effectively. Different from optimization of product quality or calculation of generic energy conservation in most previous studies

the application of exergy analysis and exergy cost optimization in petrochemical industry is of great economic and environmental significance. Based on the main fractionator in Jiujiang Petrochemical Complex No. 2 FCCU

an enhanced exergy cost optimization under different operating conditions by adjusting set points of temperature and valves opening degree for flow control is studied in this paper in order to reduce exergy cost and improve the quality of energy. A steadystate optimization algorithm to enhance exergy availability and an objective function comprehensively considering exergy loss are proposed. On the basis of ensuring the quality of petroleum products

the economic benefits can be improved by optimizing the controllable variables due to the fact that exergy cost is decreased.

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