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The research and application progress of the isobaric ERD technique for SWRO desalination plant

文献类型： 外文期刊

作者： Liang, Kaier 1 ; Ma, Qingfen 1 ; Lu, Hui 3 ; Fang, Haixuan 1 ; Yang, Peng 1 ; Fan, Junqing 1 ;

作者机构： 1.Hainan Univ, Coll Mech & Elect Engn, Haikou 570228, Hainan, Peoples R China

2.Northeastern Univ, Dept Mech & Ind Engn, Boston, MA 02115 USA

3.Chinese Acad Trop Agr Sci, Inst Environm & Plant Protect, Haikou 571101, Hainan, Peoples R China

关键词： Seawater desalination; Reverse osmosis; Energy recovery device; Isobaric type

期刊名称：DESALINATION AND WATER TREATMENT （ 影响因子：1.254； 五年影响因子：1.553 ）

ISSN： 1944-3994

年卷期： 2020 年 202 卷

页码：

收录情况： SCI

摘要： Due to the research and development of the energy recovery device (ERD), the cost and energy consumption of seawater reverse osmosis (SWRO) is dramatically dropped, rendering SWRO to be one of the principal and promising solutions for freshwater supply especially for the coastal region. The ERDs can be classified as two broad types, namely, centrifugal turbine and isobaric ERD, the latter of which can achieve the energy recovery efficiency above 90% and thus become the primary choice for the designers, managers and operators of the desalination plant. Aiming at supplying reference for ERD selection in reverse osmosis (RO) plant design and retrofit, some investigations were carried out about the representative products of isobaric ERDs including their working principles, performance testing and comparisons, as well as some retrofit practices. The efforts of the performance improvement and novel design which are always the research focus of isobaric ERDs were also studied and reviewed. Furthermore, general information and design data of the RO desalination plant awarded as the yearly winner and other regionally typical commercial SWRO plants with isobaric ERDs for energy recovery built around last 15 y were presented in chronological order, in order to reveal the application status of the isotropic ERD product and understand its irreplaceable roles.

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