期刊
SEPARATION AND PURIFICATION REVIEWS
卷 52, 期 4, 页码 326-335出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/15422119.2022.2098504
关键词
Freeze desalination; environmental impacts; seawater
Freeze desalination is an efficient technology that produces fresh water by forming ice crystals and separating salt. However, it is currently limited to laboratory and pilot-scale studies due to the dominance of thermal- and membrane-based desalination technologies. This article provides an overview of the general principles, advantages and disadvantages of freeze desalination, as well as its environmental impact compared to other desalination systems.
Freeze desalination (FD) is an efficient technology to produce fresh water through formation of ice crystals in the seawater or brackish water and subsequent separation of salt (or other components) from the pure ice fraction. FD development has been focused primarily on two areas, the purification of ice portion, and a significant increase in desalination productivity, allowing a considerable decrease in energy consumption. However, only laboratory and pilot-scale FD studies have been conducted, and actually, the possible industrial FD applications have been limited due to the predominance of thermal- and membrane-based desalination technologies. Whereby, the focus of this review is on the general principles, advantages and disadvantages of FD, and in addition, this article discusses the environmental impact of FD and other desalination systems in brine-loaded media discharged into aquatic environment.
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