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A Study on the Introduction of RO Facility for Jeju Samyang Water Source
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 Title & Authors
A Study on the Introduction of RO Facility for Jeju Samyang Water Source
Kim, Woochan; Kim, Jinkeun;
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Pollutants removal efficiency in pretreatment(GAC filter, multi-media filter, disk filter) and RO facilities was investigated for the Jeju Samyang spring water source where raw water intake has been stopped due to sea water intrusion. In addition, preliminary feasibility analysis was conducted between RO and groundwater intake systems. Turbidity removal in 4 different pretreatment processes was less than 25% due to low concentration of turbidity(i.e., less than 0.21 NTU), while multi-media filter is recommended for the pretreatment facility based on the low organic content in raw water as well as cheaper operation and maintenance cost. The average concentration of in raw water was 691.4 mg/L, while that of RO permeate was 9.1 mg/L(i.e., removal efficiency was 98.4%). In addition, TDS removal efficiency was 98.1%, which was quite high. The production cost for RO system() was considering installation, operation and maintenance cost for 30 years. While that of groundwater was which was low compared to the RO system. However, it is recommended to introduce RO system for Samyang water source rather than new groundwater development because Samyang water source has been discharged to the sea without any usage, while groundwater can be used for other purpose as a sustainable water source.
 Cited by
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Jeju special self-governing province, Division of water supply (2015)

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Korea Water Works Association(KWWA) (2010) Standards for water supply facilities.

MOGAHA(Ministry of Government Administration and Home Affairs) (2015)

Segye Ilbo (2014)