期刊
ENERGY
卷 192, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.energy.2019.116633
关键词
Spray-assisted low-temperature desalination; Sensible heat source; Internal heat recovery; Thermodynamic optimization
资金
- National Research Foundation Singapore under its Campus for Research Excellence and Technological Enterprise (CREATE) programme
- Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Education [2019R1F1A1061693]
- China Scholarship Council (CSC)
- National Research Foundation of Korea [2019R1F1A1061693] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Thermal desalination technologies play a dominant role in seawater desalination, especially in GCC countries. However, the energy-intensive nature of these technologies limits their applications to relatively affluent regions. Therefore, it is of great significance to introduce new heat sources, e.g. renewable energy and industry waste heat, for thermal desalination. The spray-assisted low-temperature desalination (SLTD) is a novel technology that utilizes low-grade heat sources effectively. This paper specially adopts the SLTD technology to sensible heat sources. The performance of a conventional steam-driven SLTD system employing sensible heat sources is firstly investigated. Analytical results reveal that the conventional configuration is unable to make full use of the sensible heat sources. In order to improve energy utilization, the configuration is modified to enable internal heat recovery. The proposed configuration is able to boost the freshwater production by as much as 79%, while the desalination cost is reduced by 11%. (C) 2019 Elsevier Ltd. All rights reserved.
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