使用静态混合器增强由潮能量驱动的RO膜中的质量转移:CFD研究
Moslem Abrofarakh1, Reza Shahouni2, Mahdieh Dibaj3
1Department of Chemical Engineering, Faculty of Engineering, University of Sistan and Baluchestan, Zahedan, Iran. moslem.abroufarakh@gmail.com.
Scientific reports
|October 9, 2025
概括
这项研究将潮能量与使用肯尼克斯静态混合器的反透淡化相结合,提高水流量并降低成本. 这种可持续的方法为全球淡水生产提供了一个可扩展的解决方案.
科学领域:
- 环境工程 环境工程
- 可再生能源系统可再生能源系统
- 水处理技术水处理技术
背景情况:
- 全球日益严重的水资源短缺需要创新的海水淡化解决方案.
- 传统的反透 (RO) 面临着能源消耗和度极化方面的挑战.
- 整合可再生能源可以提高海水淡化可持续性.
研究的目的:
- 开发和分析一个可持续的海水淡化系统,将潮能量与增强的 RO 结合起来.
- 调查肯尼克斯静态混合器 (KSM) 对RO性能的影响.
- 评估综合系统的技术经济可行性和潜在的成本降低.
主要方法:
- 利用一个三维计算流体动力学 (CFD) 模型来模拟RO-KSM配置.
- 优化KSM放置 (三行,30°扭转角度) 改善了质量转移.
- 集成的潮能源与储能和压力调节,以实现稳定的RO运行.
主要成果:
- 在Sherwood数量增加了1.6倍,水流量增加了23%.
- 观察到压力下降增加了4.7倍,部分被能量回收装置 (ERD) 抵消.
- 证明了2.2-2.5千瓦时/立方米的净特异能消耗和15-20%的潜在LCOW降低.
结论:
- 综合的潮-RO-KSM系统显示了可持续淡水生产的巨大潜力.
- 该方法为沿海地区提供了可扩展的解决方案,经过实验验证,误差为<5%.
- 对于间歇性和成本挑战需要进一步验证,但LCOW预计为0.45-0.65/m3.5美元.
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