Membrane and Water Treatment

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Cost analysis and scheduling of the desalination vessel using reverse osmosis technology

  • Nguyen, Hien Thi (Division of Energy & Environment Technology, KIST school, Korea University of Science and Technology) ;
  • Cho, Kyungjin (Division of Energy & Environment Technology, KIST school, Korea University of Science and Technology) ;
  • Jang, Am (Graduate School of Water Resources, Sungkyunkwan University) ;
  • Jeong, Seongpil (Division of Energy & Environment Technology, KIST school, Korea University of Science and Technology)
  • Received : 2021.04.29
  • Accepted : 2021.06.30
  • Published : 2021.07.25
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Abstract

Water scarcity issue becomes severe due to climate change and increase of water needs, globally. In order to provide fresh water in islands, small-scale desalination plants (< 100 m3/day) had been installed using reverse osmosis technology. To decrease high desalination cost of small-scale SWRO plants in islands in Republic of Korea, the desalination vessel having RO system (300 m3/day) was recently suggested. The desalination costs of the small-scale SWRO plants in islands and desalination vessel which can provide desalinated water to several islands were analyzed and were compared. The operational schedule of the desalination vessel in Shinan-gun, Republic of Korea was suggested considering the water demands, velocity and water storage of the desalination vessel, and distances between target islands. It was found that the water production cost could be saved when the desalination vessel was applied in Shinan-gun, Republic of Korea.

Keywords

Acknowledgement

This work was supported by Korea Environment Industry & Technology Institute (KEITI) through Industrial Facilities & Infrastructure (Desalination) Research Program, funded by Korea Ministry of Environment (MOE) (grant number 146840 and 146841). This research was also funded by the Korea Institute of Science and Technology (KIST) projects (2K02597 and 2Z06604).

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