低温浸泡液在夏季联合冷冻脱盐工艺中的应用

IF 2.3 Q2 Environmental Science
Hui Yang, Yuan-guang Jiang, Mengxiao Fu, Rui Wang
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引用次数: 0

摘要

在之前的研究中,我们注意到冷冻、浸泡和离心联合脱盐(FSCD)工艺不适用于夏季,因为当用作浸泡液的原海水温度达到27℃时,产生的纯冰非常少。因此,本文在工艺优化方面主要做了两方面的工作。一是所有实验均以低温海水作为浸泡液。在实际工业实践中,低温浸泡液可以通过融化纯冰产品或从冷浓盐水中回收冷能来获得。考察了离心参数和浸泡时间对除盐效率和产冰率的影响。其次,结合重力诱导法形成冻结、浸泡、重力诱导和离心脱盐(FSGCD)工艺,进一步提高脱盐效率。在温度为30℃的环境中,研究了重力诱导过程中熔化时间的影响。最后,比较了不同工艺的性能。结果表明,FSGCD工艺的除盐效率可达97.03%。该研究对提高夏季浸渍处理的工艺性能具有重要意义。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Application of low temperature soaking liquid in combined freezing-based desalination processes in summer
In our previous study, it was noticed that the combined freezing, soaking and centrifugal desalination (FSCD) process is unsuitable to be applied in summer, because very little pure ice can be produced when the temperature of raw seawater used as soaking liquid reaches 27 °C. Therefore, two main efforts on the process optimization were made in this paper. One is that low-temperature seawater was served as soaking liquid in all the experiments. In real industrial practice, the low-temperature soaking liquid can be obtained through melting pure ice products or recovering cold energy from cold concentrated brine. The effects of centrifugal parameters and soaking time on salt removal efficiency and ice yield rate were investigated. Second, the gravity-induced method was combined to form freezing, soaking, gravity-induced and centrifugal desalination (FSGCD) process for further improvement of the salt removal efficiency. The influence of melting time of gravity-induced process was studied by keeping the samples ambient with an air temperature of 30 °C. Finally, the performance among different processes was compared. Results showed that the salt removal efficiency of FSGCD process can reach up to 97.03%. The study is effectively helpful to improve the process performance of soaking treatment in summer application.
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来源期刊
Journal of Water Reuse and Desalination
Journal of Water Reuse and Desalination ENGINEERING, ENVIRONMENTAL-WATER RESOURCES
CiteScore
4.30
自引率
0.00%
发文量
23
审稿时长
16 weeks
期刊介绍: Journal of Water Reuse and Desalination publishes refereed review articles, theoretical and experimental research papers, new findings and issues of unplanned and planned reuse. The journal welcomes contributions from developing and developed countries.
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