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http://dx.doi.org/10.12652/Ksce.2021.41.5.0485

Evaluation of Electric Power Consumption during Seawater Desalination  

Shim, Kyu Dae (GS Engineering and Construction)
Kim, Chang Ryong (GS Engineering and Construction)
Choung, Joon Yeon (GS Engineering and Construction)
Kim, Dong Kyun (Hongik University)
Publication Information
KSCE Journal of Civil and Environmental Engineering Research / v.41, no.5, 2021 , pp. 485-492 More about this Journal
Abstract
This study focused on safety aspects surrounding energy consumption in the seawater desalination process in the Daesan Industrial Complex located on the West Sea coast. The safety index for energy consumption was evaluated under different salinities and temperatures of the incoming seawater. Temperature and salinity input data for the 1997-2018 period were obtained from the Marine Environment Information System, and the power required for reverse osmosis (RO) was applied to the program as per the data provided by the RO membrane manufacturer (Q-Plus v3.0). Notably, reasonable energy consumption guidelines were proposed during the design of the desalination facilities; in this regard, the desalination process required approximately 2.10-2.90 kWh/m3 electrical power. Moreover, the energy safety based on 95 % was estimated to be 2.80 kWh/m3 when the desalination facility was operated.
Keywords
Energy safety; Seawater desalination; Electric power; Evaluation index;
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