正渗透预处理多级闪蒸淡化海水

Proceedings of The 2nd International Conference on Applied Research in Engineering, Science and Technology Pub Date : 2019-06-05 DOI:10.33422/2nd-icarest.2019.06.285

Alaa H. Hawaria, Mhd. Hafez Ammara, Ahmed T. Yasira, Syed Zaidib, Ali Altaeec

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引用次数: 1

摘要

在多级闪蒸(MSF)海水淡化装置前，采用正向渗透(FO)技术对海水进行预处理，可以提高热脱盐工艺的性能。本研究采用卤水作为抽提液，进料液为海水。研究了进料液和萃取液流速对膜通量的影响。此外，还研究了砂滤预处理料液对膜通量的影响。进料溶液(即海水)的预处理对膜通量的影响最小。未经处理的海水为饲料溶液，处理后的海水为饲料溶液，膜通量分别为14.2 LPM和13.4 LPM。未处理海水和处理海水的回收率分别为26%和24%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Pretreatment of Seawater Using Forward Osmosis for Multistage Flash Desalination

Pretreatment of seawater using Forward Osmosis (FO) before a Multistage Flash (MSF) desalination plant could enhance the performance of the thermal desalination process. In this study, brine is used as the draw solution while the feed solution is seawater. The impact of the flow rate of the feed solution and the draw solution on the membrane flux was studied. In addition, the impact of pretreatment of feed solution by a sand filter on the membrane flux was studied. The pretreatment of the feed solution (i.e. seawater) had minimal impact on the membrane flux. A membrane flux of 14.2 LPM and 13.4 LPM was obtained with non-treated seawater as feed solution and treated seawater as feed solution, respectively. The recovery rate was 26% and 24% for the non-treated seawater and treated seawater, respectively.

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Proceedings of The 2nd International Conference on Applied Research in Engineering, Science and Technology

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