A graphical method for evaluating the thermodynamic feasibility of absorption vapor compression multi-effect thermal desalination systems

被引：4
|
作者：
Wang, Yongqing [1 ,3 ,4 ,5 ]
Morosuk, Tatiana [2 ]
Yang, Shaohui [1 ,3 ,4 ,5 ]
Cao, Wensheng [1 ,3 ,4 ,5 ]
机构：
[1] Jimei Univ, Coll Mech & Energy Engn, Xiamen 361021, Peoples R China
[2] Tech Univ Berlin, Inst Energy Engn, Berlin 10587, Germany
[3] Key Lab Energy Cleaning Utilizat & Dev Fujian Pro, Xiamen 361021, Peoples R China
[4] Fujian Prov Univ, Key Lab Ocean Renewable Energy Equipment, Xiamen 361021, Peoples R China
[5] Cleaning Combust & Energy Utilizat Res Ctr Fujian, Xiamen 361021, Peoples R China
来源：
DESALINATION | 2020年 / 485卷
基金：
中国国家自然科学基金;
关键词：
Water desalination; Low-temperature multi-effect evaporation; Absorption vapor compression; Graphical method; THERMOECONOMIC ANALYSIS; DISTILLATION; LIBR-H2O; SEAWATER; EXERGY; IMPROVEMENT; ENERGY; SOLAR;
D O I：
10.1016/j.desal.2020.114448
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
A graphical method is developed for evaluating the thermodynamic feasibility of combined absorption vapor compression (AVC) and low-temperature multi-effect evaporation (LT-MEE) desalination systems. The method is based on the diagram showing the relationship among the vapor pressure, temperature and concentration of absorbent solution and seawater. Three commonly used absorbent solutions-LiBr-H2O, LiCl-H2O and CaCl2-H2O, are taken as examples. A five-step procedure is proposed and three systems-a conventional water-only system, a water-refrigeration cogeneration system and an intermediate vapor absorption water-only system, are analyzed for illustration purpose. Requiring only a small amount of information, the method is suitable to be used in the preliminary planning or design phase of an AVC-MEE system. Besides, the method can also give the values or ranges of several important parameters for the AVC-MEE systems being evaluated to be feasible, thus providing useful information for further investigation.
引用
收藏
页数：15
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