The environmental impact of organic Rankine cycle for waste heat recovery through life-cycle assessment

被引：84
作者：
Liu, Chao [1 ]
He, Chao [1 ]
Gao, Hong [1 ]
Xie, Hui [1 ]
Li, Yourong [1 ]
Wu, Shuangying [1 ]
Xu, Jinliang [2 ]
机构：
[1] Chongqing Univ, Coll Power Engn, Key Lab Low Grade Energy Utilizat Technol & Syst, Minist Educ, Chongqing 400030, Peoples R China
[2] North China Elect Power Univ, Renewable Energy Sch, Beijing 102206, Peoples R China
来源：
ENERGY | 2013年 / 56卷
关键词：
Life-cycle assessment; Environmental impacts; Pay back time; Organic Rankine cycle; Waste heat recovery; OPTIMAL EVAPORATION TEMPERATURE; WORKING FLUIDS; PARAMETRIC OPTIMIZATION; THERMODYNAMIC CYCLES; ZEOTROPIC MIXTURES; ORC; PERFORMANCE; EFFICIENCY; SYSTEM; SELECTION;
D O I：
10.1016/j.energy.2013.04.045
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The LCA (life-cycle assessment) was applied to evaluate El (the environmental impact) of ORCPW (organic Rankine cycle power-plant for waste-heat-recovery) in this paper. The model of LCA on the ORCPW was established. The life-cycle of ORCPW was divided into construction, operation and decommissioning phases. The inventory of environmental emissions was listed for the ORCPW with 7 different working fluids. The GWP (global warming potential), AP (acidification potential), EP (eutrophication potential), HIP (human toxicity potential), SWP (solid waste potential) and SAP (soot and dust potential) were investigated. Some EIs of ORCPW were compared with the EIs of other power generation modes. The results show that the construction phase of ORCPW contributes mostly to the GWP and EP. GWP is the most serious El followed by HTP among all the environmental impacts. The average pay back times of greenhouse gas discharged from ORCPW is calculated on the basis of five other power generation modes. For 7 different working fluids, it is 3-5 years for CO2, about one year for CH4 and 3-6 years for NOx. But CO cannot be paid back during the life-cycle of ORCPW according to the average pay back time. (C) 2013 Elsevier Ltd. All rights reserved.
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收藏
页码：144 / 154
页数：11
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