Investigation of a novel integrated process configuration for natural gas liquefaction and nitrogen removal by advanced exergoeconomic analysis

被引：41
作者：
Mehrpooya, Mehdi [1 ,2 ]
Sharifzadeh, Mohammad Mehdi Moftakhari [2 ,3 ]
Ansarinasab, Hojat [4 ]
机构：
[1] Univ Tehran, Fac New Sci & Technol, Renewable Energies & Environm Dept, Tehran, Iran
[2] Univ Tehran, Fac New Sci & Technol, Hydrogen & Fuel Cell Lab, Tehran, Iran
[3] Islamic Azad Univ, Sci & Res Branch, Dept Chem Engn, Tehran, Iran
[4] Petr Univ Technol, Fac Energy Syst Engn, Abadan, Iran
来源：
APPLIED THERMAL ENGINEERING | 2018年 / 128卷
关键词：
Natural gas liquefaction; Nitrogen removal; Advanced exergoeconomic and integration; ADVANCED EXERGETIC ANALYSIS; ORGANIC RANKINE-CYCLE; REJECTION UNIT NRU; THERMAL-SYSTEMS; EVOLUTIONARY ALGORITHM; GENERAL METHODOLOGY; GEOTHERMAL-ENERGY; SOLAR-ENERGY; LIQUIDS NGL; HEAT SINK;
D O I：
10.1016/j.applthermaleng.2017.09.088
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
A novel integrated process configuration for natural gas liquefaction and nitrogen removal is introduced and analyzed. The process configuration and specification of the streams and components are presented. Next, the process is evaluated by the conventional and advanced exergy and exergoeconomic methods. Based on the results exergy efficiency and exergy destruction rates of the process are gained 41.27% and 89,904 kW, respectively. Exergy destruction and investment cost rates within the process components are divided into avoidable-unavoidable and endogenous-exogenous parts. From this analysis, improvement potentials of the process component's performance and investment costs of the process were determined by using the economic relations between them. The results indicate that exergy destruction and investment cost rates in the process components are endogenous. The process components interactions do not affect the exergy efficiency significantly. The cost of exergy destruction in the compressors is avoidable while investment costs in these components are unavoidable. The cost of exergy destruction in the heat exchangers and air coolers is unavoidable while investment costs in these components are avoidable. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1249 / 1262
页数：14
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