Micropollutant removal via nanofiltration: The effect of salt concentration - Theory and experimental validation

被引：0

作者：

Osorio, S. Castano ^{[1
,2
]}

Ryzhkov, I. I. ^{[3
,4
]}

Spruijt, E. ^{[5
]}

van der Wal, A. ^{[2
,6
]}

Biesheuvel, P. M. ^{[1
]}

Dykstra, J. E. ^{[2
]}

机构：

[1] European Ctr Excellence Sustainable Water Technol, Wetsus, Oostergoweg 9, NL-8911 MA Leeuwarden, Netherlands

[2] Wageningen Univ & Res, Environm Technol, Bornse Weilanden 9, NL-6708 WG Wageningen, Netherlands

[3] RAS, SB, Inst Computat Modeling, Akademgorodok 50-44, Krasnoyarsk 660036, Russia

[4] Siberian Fed Univ, Svobodny 79, Krasnoyarsk 660041, Russia

[5] Radboud Univ Nijmegen, Inst Mol & Mat, Heyendaalseweg 135, NL-6525 AJ Nijmegen, Netherlands

[6] Evides Water Co, Schaardijk 150, NL-3063 NH Rotterdam, Netherlands

来源：

JOURNAL OF MEMBRANE SCIENCE | 2025年 / 713卷

关键词：

Micropollutant rejection; Nanofiltration; Solution friction; Modeling; REVERSE-OSMOSIS; REJECTION; MEMBRANES; MODEL; DESALINATION; RETENTION; TRANSPORT; PH; PERFORMANCE;

D O I：

10.1016/j.memsci.2024.123347

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Nanofiltration guarantees high water recovery and low energy consumption in removing micropollutants (MPs). In this study, we derive a concise model to describe MP removal with nanofiltration membranes. We compare the results from the model with experimental data for the removal of 7 MPs with 5 salt concentrations using the NF270 membrane. Our findings indicate that the model accurately describes MP transport through nanofiltration membranes. Furthermore, we evaluate the effect of salt concentration on MP rejection. The results show that salt concentration impacts MP rejection differently based on MP charge and size. Increasing salt concentration decreases the rejection of counter-charged MPs that are small and increases the rejection of counter-charged MP that are large.

引用

页数：9

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