Energy and exergy analyses of a new integrated thermochemical copper-chlorine cycle for hydrogen production

被引：38
作者：
Razi, Faran [1 ]
Dincer, Ibrahim [1 ]
Gabriel, Kamiel [1 ]
机构：
[1] Ontario Tech Univ, Fac Engn & Appl Sci, Clean Energy Res Lab CERL, 2000 Simcoe St North, Oshawa, ON L1H 7K4, Canada
来源：
ENERGY | 2020年 / 205卷
关键词：
Hydrogen production; Copper-chlorine; Thermochemical; Exergy; Energy; Efficiency; SEPARATION; OPTIONS; CARBON; SOLAR;
D O I：
10.1016/j.energy.2020.117985
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
This paper presents a thermodynamic study on a newly built lab-scale thermochemical copper-chlorine (Cu-Cl) cycle installed at the Clean Energy Research Laboratory (CERL) at the Ontario Tech University. This study analyzes every component of the system through energy and exergy analysis by considering the heat inputs, outputs and exergy destruction within the various units of the Cu-Cl cycle. The system is modeled and simulated using the Aspen-plus software. The mass, energy and exergy balance equations for each system component are written for analysis and assessment purposes. Based on the analysis, the maximum heat input is required for the hydrolysis reactor while the HCl-condenser-1 is found to reject the maximum heat. The results suggest that the thermolysis reactor experienced the highest exergy destruction. The effect of the flow rates of certain species within the cycle on the performance of various system units, such as heat transfer rates and production flow rates are also investigated. The overall energy and exergy efficiencies of the system are evaluated to be 6.8% and 10.4%, respectively. (C) 2020 Elsevier Ltd. All rights reserved.
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页数：13
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