电渗析质交换器与热交换器的类比

IF 3.9 3区工程技术 Q2 ENGINEERING, CHEMICAL

Chemical Engineering Research & Design Pub Date : 2025-09-08 DOI:10.1016/j.cherd.2025.09.008

Omar A. AlRafee , Bilal A. Qureshi

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引用次数: 0

摘要

热交换器和电渗析（ED）系统有很强的相似性。提出了一种类似于ε-NTU的方法来设计ED质交换器，称为ε-MTU （effective -mass transfer units）。有效性定义为系统传输比超过其最大可能值。根据是否考虑了水运（如在高盐度水源中）或不考虑水运（如在微咸水中），显示了两种不同的模拟结果。建立了将MTU、浓度比（CR）和电阻比（ER）与其他系统参数（如有效性）联系起来的方程。最后，通过将模型的结果与两种盐度水平进行比较来测试模型。微咸水源（3500 ppm）的误差为~ 0.02%，高盐度水源（15万 ppm）的误差为~ 0.44%。因此，所建立的ε-MTU模型可以帮助系统的鲁棒性设计和评估。

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Analogy of electrodialysis mass exchangers to heat exchangers

Heat exchangers and electrodialysis (ED) systems share a strong analogy. A method similar to ε-NTU is developed for designing ED mass exchangers that can be called ε-MTU (effectiveness-mass transfer units). The effectiveness is defined as the system transport ratio over its maximum possible value. Two different modelling results are shown depending on whether water transport is accounted for (as in a high salinity source) or not (as in brackish water). The equations that relate the MTU, the concentration ratio (CR), and the resistance ratio (ER) to other system parameters such as effectiveness are developed. Finally, the model is tested by comparing its results to both salinity levels. The errors found are ∼0.02 % for the brackish water source (3500 ppm) and ∼0.44 % for the high salinity source (150,000 ppm). Therefore, the ε-MTU model developed can help to design and evaluate ED systems in a robust manner.

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来源期刊

Chemical Engineering Research & Design 工程技术-工程：化工

CiteScore

6.10

自引率

7.70%

发文量

623

审稿时长

42 days

期刊介绍： ChERD aims to be the principal international journal for publication of high quality, original papers in chemical engineering. Papers showing how research results can be used in chemical engineering design, and accounts of experimental or theoretical research work bringing new perspectives to established principles, highlighting unsolved problems or indicating directions for future research, are particularly welcome. Contributions that deal with new developments in plant or processes and that can be given quantitative expression are encouraged. The journal is especially interested in papers that extend the boundaries of traditional chemical engineering.