Operational strategies for brackish water desalination plants in island regions of South Korea

Kyoung Hoon Chu; Byoung Geun Oh; Seungho Kook; Jeongho Ko; Jihun Lim; Hyeong Kyu Kim; Kyu Jung Chae; Moon Hyun Hwang

doi:10.1016/j.jclepro.2020.123540

Operational strategies for brackish water desalination plants in island regions of South Korea

Kyoung Hoon Chu, Byoung Geun Oh, Seungho Kook, Jeongho Ko, Jihun Lim, Hyeong Kyu Kim, Kyu Jung Chae, Moon Hyun Hwang

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

Based on the operational data from the Korea Water Resources Corporation (K-water), this study aimed to reduce the operation and maintenance (O&M) costs for 20 brackish water desalination plants in the island regions of South Korea. In addition, brackish water reverse osmosis (BWRO) and low-pressure reverse osmosis (LPRO) membranes were compared and evaluated in terms of reduction in specific energy consumption (SEC) for an island brackish water desalination plant. The high labor costs and plant breakdown accounted for most of the operating losses with low operation rates (less than 60% in 19 plants) and low water flow rates (less than 90% in 15 plants). Thus, in order to reduce the O&M costs of island region desalination plants, it was essential to optimize the plant design while increasing the operation and water flow rates. In particular, installation of the LPRO membrane has shown potential for SEC improvement (approximately 16%) due to high pressure pump optimization and high recovery. These operational strategies for island region desalination plants are applicable alternatives in terms of reduction in O&M costs and SEC.

Original language	English
Article number	123540
Journal	Journal of Cleaner Production
Volume	278
DOIs	https://doi.org/10.1016/j.jclepro.2020.123540
Publication status	Published - 2021 Jan 1

Bibliographical note

Funding Information:
This work was supported by Korea Environment Industry & Technology Institute (KEITI) through Industrial Facilities & Infrastructure Research Program, funded by Korea Ministry of Environment (MOE) ( 146834 ).

Publisher Copyright:
© 2020 Elsevier Ltd

Keywords

Brackish water desalination
Operation and maintenance costs
Operational strategies
Real-scale plants in island regions
Specific energy consumption

ASJC Scopus subject areas

Renewable Energy, Sustainability and the Environment
General Environmental Science
Strategy and Management
Industrial and Manufacturing Engineering

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.jclepro.2020.123540

Cite this

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title = "Operational strategies for brackish water desalination plants in island regions of South Korea",

abstract = "Based on the operational data from the Korea Water Resources Corporation (K-water), this study aimed to reduce the operation and maintenance (O&M) costs for 20 brackish water desalination plants in the island regions of South Korea. In addition, brackish water reverse osmosis (BWRO) and low-pressure reverse osmosis (LPRO) membranes were compared and evaluated in terms of reduction in specific energy consumption (SEC) for an island brackish water desalination plant. The high labor costs and plant breakdown accounted for most of the operating losses with low operation rates (less than 60% in 19 plants) and low water flow rates (less than 90% in 15 plants). Thus, in order to reduce the O&M costs of island region desalination plants, it was essential to optimize the plant design while increasing the operation and water flow rates. In particular, installation of the LPRO membrane has shown potential for SEC improvement (approximately 16%) due to high pressure pump optimization and high recovery. These operational strategies for island region desalination plants are applicable alternatives in terms of reduction in O&M costs and SEC.",

keywords = "Brackish water desalination, Operation and maintenance costs, Operational strategies, Real-scale plants in island regions, Specific energy consumption",

author = "Chu, {Kyoung Hoon} and Oh, {Byoung Geun} and Seungho Kook and Jeongho Ko and Jihun Lim and Kim, {Hyeong Kyu} and Chae, {Kyu Jung} and Hwang, {Moon Hyun}",

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AU - Chu, Kyoung Hoon

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AU - Kook, Seungho

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AU - Lim, Jihun

AU - Kim, Hyeong Kyu

AU - Chae, Kyu Jung

AU - Hwang, Moon Hyun

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N2 - Based on the operational data from the Korea Water Resources Corporation (K-water), this study aimed to reduce the operation and maintenance (O&M) costs for 20 brackish water desalination plants in the island regions of South Korea. In addition, brackish water reverse osmosis (BWRO) and low-pressure reverse osmosis (LPRO) membranes were compared and evaluated in terms of reduction in specific energy consumption (SEC) for an island brackish water desalination plant. The high labor costs and plant breakdown accounted for most of the operating losses with low operation rates (less than 60% in 19 plants) and low water flow rates (less than 90% in 15 plants). Thus, in order to reduce the O&M costs of island region desalination plants, it was essential to optimize the plant design while increasing the operation and water flow rates. In particular, installation of the LPRO membrane has shown potential for SEC improvement (approximately 16%) due to high pressure pump optimization and high recovery. These operational strategies for island region desalination plants are applicable alternatives in terms of reduction in O&M costs and SEC.

AB - Based on the operational data from the Korea Water Resources Corporation (K-water), this study aimed to reduce the operation and maintenance (O&M) costs for 20 brackish water desalination plants in the island regions of South Korea. In addition, brackish water reverse osmosis (BWRO) and low-pressure reverse osmosis (LPRO) membranes were compared and evaluated in terms of reduction in specific energy consumption (SEC) for an island brackish water desalination plant. The high labor costs and plant breakdown accounted for most of the operating losses with low operation rates (less than 60% in 19 plants) and low water flow rates (less than 90% in 15 plants). Thus, in order to reduce the O&M costs of island region desalination plants, it was essential to optimize the plant design while increasing the operation and water flow rates. In particular, installation of the LPRO membrane has shown potential for SEC improvement (approximately 16%) due to high pressure pump optimization and high recovery. These operational strategies for island region desalination plants are applicable alternatives in terms of reduction in O&M costs and SEC.

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KW - Specific energy consumption

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Operational strategies for brackish water desalination plants in island regions of South Korea

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

UN SDGs

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