On the significance of recirculation between intakes and outfalls of desalination and thermal power plants
Law, Adrian Wing-Keung
Date of Issue2012
School of Civil and Environmental Engineering
Nanyang Environment and Water Research Institute
In this study, a quantitative analysis is performed to examine the effect of recirculation between intakes and outfalls to the operational performance of coastal desalination as well as thermal power plants. The results show that the effect to desalination plants is substantially more significant than that of thermal power plants, with the increase in salinity of the ambient waters near the intake having a direct impact on the operating cost of the desalting process. Thus, it is important to minimise the magnitude of recirculation for the desalination plant. The potentially higher initial capital cost required (such as placing the outfall further offshore) can be compensated by the corresponding savings in the operation cost in the long run.
Desalination and water treatment
© 2012 Desalination Publications. This paper was published in Desalination and Water Treatment and is made available as an electronic reprint (preprint) with permission of Desalination Publications. The paper can be found at the following official DOI: [http://dx.doi.org/10.1080/19443994.2012.683140]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.