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Numerical Study of the Efficiency of Multi-Layer Membrane Filtration in Desalination Processes

Fluid Dynamics & Materials Processing 2024年第11期20卷 2509-2521页

作者： Salma Moushi Jaouad Ait lahcen Ahmed El Hana Yassine Ezaier Ahmed Hader imane bakassi Iliass Tarras Yahia Boughaleb Bio-Geosciences and Materials Engineering Laboratory Higher Normal SchoolHassan II UniversityCasablanca50069Morocco Regional Center for Education and Training Professions Settat26002Morocco Engineering Sciences for Energy Laboratory ENSAChouaib Doukkali UniversityEl Jadida24000Morocco

Multi-layer membrane filtration is a widely used technology for separating and purifying different components ofa liquid mixture. This technique involves passing the liquid mixture through a series of membranes with decreasing pore sizes, which allows for the separation of different components according to their molecular size. Thisstudy investigates the filtration process of a fluid through a two-dimensional porous medium designed forseawater desalination. The focus is on understanding the impact of various parameters such as the coefficientof friction, velocity, and the number of layers on filtration efficiency. The results reveal that the number of layersplays a crucial role in desalination, with an increase in layers leading to enhanced filtration quality, following apower law relationship. The study explores the influence of the coefficient of friction on filtration performance,emphasizing its significant effect on the number of particles filtered over time. Additionally, the role of the initialvelocity in filtration efficiency is examined, showing distinct effects at both high and low velocities. Biofouling isidentified as a factor influencing filtration, with an initial increase in filtered particles followed by a decline due toparticle accumulation in pores.

关键词： Desalination process membranefiltration Langevin dynamic fluid velocity number of layers filtered particles

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