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国际清洁环境能源期刊
SJR: 0.195 SNIP: 0.435 CiteScore™: 0.74

ISSN 打印: 2150-3621
ISSN 在线: 2150-363X

国际清洁环境能源期刊

Formerly known as Clean Air: International Journal on Energy for a Clean Environment

DOI: 10.1615/InterJEnerCleanEnv.2018021086
pages 85-91

THERMODYNAMIC ANALYSIS OF MULTISTAGE FLASH DISTILLATION APPLICATION IN WASTEWATER TREATMENT

Jiao Wang
Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Key Laboratory for Desalination of Liaoning Province, School of Energy and Power Engineering, Dalian University of Technology, Dalian 116024, China
Shi Chen
Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Key Laboratory for Desalination of Liaoning Province, School of Energy and Power Engineering, Dalian University of Technology, Dalian 116024, China
Xingsen Mu
Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Key Laboratory for Desalination of Liaoning Province, School of Energy and Power Engineering, Dalian University of Technology, Dalian 116024, China
Shengqiang Shen
Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Key Laboratory for Desalination of Liaoning Province, School of Energy and Power Engineering, Dalian University of Technology, Dalian 116024, China

ABSTRACT

This paper presents a thermodynamic system of multistage flash (MSF) distillation for wastewater treatment. The system has been designed to concentrate the wastewater with an iteration method. A case study has been developed in this paper. The sample wastewater and waste heat source are supplied from a power plant. The multistage flash distillation system is designed to concentrate the wastewater with high density (54.0 g/L) of sodium nitrate into 216.0 g/L. In this case, 4-stage flash distillation systems are designed with various evaporating temperatures. Furthermore, performance and main structure parameters are calculated.


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