Desalination plants are generally studied with higher operating costs compared to water supply facilities. This study was conducted to reduce the cost of water production and to preserve existing water resources. Therefore, the purpose of this study was to utilize the control valves to increase maximum efficiency, thereby reducing the power of the pumps and operating costs. Specific energy consumption was shown to reduce the process operating power by up to 1.7 times from 6.17 to 3.55 kWh/m3 based on seawater reverse osmosis 60 bar. In addition, the water intake process was divided into pre, inter, and post-according to the use method of blasting, and the water treatment process was divided into pre, inter, and post blending. In order to reduce power consumption, the blending process was combined to operate the facility, which resulted in the reduction of power consumption in the order post > pre-inter> inter blending.

ABSTRACT
1. 서 론
2. 연구방법 혹은 재료 및 실험방법
    2.1 분리막
    2.2 Feed Water
    2.3 데모플랜트
3. 결과 및 고찰
    3.1 컨트롤밸브 사용 유/무에 따른 운영압력별 에너지소비량 분석
    3.2 Pre, Inter, Post 블랜딩에 따른 에너지 소비량 분석
    3.3 Pre-Inter, Pre-Post에 따른 에너지 소비량 분석
4. 결 론
References

• 윤승현(재단법인 한국계면공학연구소, 물환경연구팀) | Seung-Hyeon Yun (Water and Environmental Science Department, Korea Interfacial Science and Engineering Institute)
• 우달식(재단법인 한국계면공학연구소, 물환경연구팀) | Dal-Sik Woo (Water and Environmental Science Department, Korea Interfacial Science and Engineering Institute) Corresponding author