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Experimental Study on the Influence of Flexible Control on Key Parameters in Reverse Osmosis Desalination
Chu, Shuai1; Zhang, Shitan2; Ma, Xiaona3,4; Li, Yinxuan5; Qiu, Denggao6; Ge, Weichun1,7; Kou, Lei8
Source PublicationIEEE ACCESS
Corresponding AuthorMa, Xiaona(
AbstractVariable-frequency drive (VFD) has been widely used in reverse osmosis desalination. Our purpose is to study how the VFD and pressure regulating valve affect the key parameters of reverse osmosis desalination and their action principle through experiments. Firstly, the power frequency is controlled by VFD, and the operating pressure is controlled by pressure regulating valve (needle valve) in the experiment. The feed water passes through the multimedia filter, precision filter and permeable membrane channel in turn, and permeate water and brine enter the fresh water tank and the brine tank respectively. Secondly, through experiments on seawater and brackish water respectively, the water flow rate, product water quality, energy consumption and recovery rate under different operating pressures are obtained when the power frequency is 25, 30, 35, 40, 45, and 50 respectively. Finally, combined with the working principle and mathematical model of VFD and high-pressure pump motor, the reason for the experimental results caused by the operation change is explained theoretically. The experimental results verify that for a certain recovery rate, the specific energy consumption required for water production decreases with decreasing power frequency. This provides desalination energy savings but at the expense of permeate production speed.
KeywordDesalination Feeds Energy consumption Reverse osmosis Production Bars Synchronous motors Reverse osmosis variable-frequency drive specific energy consumption recovery rate power frequency
Indexed BySCI
Funding ProjectChina Agriculture Research System of the Ministry of Finance (MOF)[CARS-47] ; China Agriculture Research System of Ministry of Agriculture and Rural Affairs (MARA)[CARS-47] ; Special Fund for Marine and Fishery Structure Adjustment in Fujian Province-Development and Application of Physical Treatment Facilities for Wastewater of Seawater Pond[2021HYJG11] ; National Key Research and Development Program of China[2019YFB1505400]
WOS Research AreaComputer Science ; Engineering ; Telecommunications
WOS SubjectComputer Science, Information Systems ; Engineering, Electrical & Electronic ; Telecommunications
WOS IDWOS:000744497800001
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Document Type期刊论文
Corresponding AuthorMa, Xiaona
Affiliation1.Shenyang Univ Technol, Sch Elect Engn, Shenyang 110870, Peoples R China
2.Northeast Elect Power Univ, Sch Elect Engn, Jilin 132012, Jilin, Peoples R China
3.Jiangsu Ocean Univ, Jiangsu Key Lab Marine Bioresources & Environm, Lianyungang 222005, Peoples R China
4.Chinese Acad Sci, Inst Oceanol, Ctr Ocean Mega Sci, Key Lab Expt Marine Biol, Qingdao 266071, Peoples R China
5.Metrol Ctr, State Grid Tianjin Mkt Serv Ctr, Tianjin 300010, Peoples R China
6.Fisheries Res Inst Fujian, Xiamen 361013, Peoples R China
7.State Grid Liaoning Elect Power Co Ltd, Shenyang 110006, Peoples R China
8.Qilu Univ Technol, Shandong Acad Sci, Inst Oceanog Instrumentat, Qingdao 250353, Peoples R China
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Chu, Shuai,Zhang, Shitan,Ma, Xiaona,et al. Experimental Study on the Influence of Flexible Control on Key Parameters in Reverse Osmosis Desalination[J]. IEEE ACCESS,2022,10:4844-4860.
APA Chu, Shuai.,Zhang, Shitan.,Ma, Xiaona.,Li, Yinxuan.,Qiu, Denggao.,...&Kou, Lei.(2022).Experimental Study on the Influence of Flexible Control on Key Parameters in Reverse Osmosis Desalination.IEEE ACCESS,10,4844-4860.
MLA Chu, Shuai,et al."Experimental Study on the Influence of Flexible Control on Key Parameters in Reverse Osmosis Desalination".IEEE ACCESS 10(2022):4844-4860.
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