Removal of phenyl-urea herbicides in ultrapure water by ultrafiltration and nanofiltration processes

被引：48

作者：

Benitez, F. Javier ^{[1
]}

Acero, Juan L. ^{[1
]}

Real, Francisco J. ^{[1
]}

Garcia, Carolina ^{[1
]}

机构：

[1] Univ Extremadura, Dept Ingn Quim & Quim Fis, E-06071 Badajoz, Spain

来源：

WATER RESEARCH | 2009年 / 43卷 / 02期

关键词：

Ultrafiltration; Nanofiltration; Phenyl-ureas; Permeate fluxes; Mass adsorbed; Resistances; ENDOCRINE DISRUPTING COMPOUNDS; WASTE-WATER; AQUEOUS-SOLUTION; PERMEATE FLUX; PHARMACEUTICALS; OXIDATION; RETENTION; MEMBRANES; KINETICS; QUALITY;

D O I：

10.1016/j.watres.2008.09.033

中图分类号：

X [环境科学、安全科学];

学科分类号：

083001 [环境科学];

摘要：

Membrane filtration of four phenyl-urea herbicides (linuron, diuron, chlortoluron, and isoproturon) dissolved in ultrapure water was studied in a laboratory cross-flow device in batch concentration mode (with recycling of the retentate stream). Three UF (MWCO of 20 000, 5000 and 2000 Da) and three NT (MWCO of 150-300 Da) membranes were used. The influence of the main operating conditions (transmembrane pressure, tangential velocity, temperature, pH, and MWCO of the membranes) on the steady-state permeate fluxes and the retention factors of the phenyl-ureas was evaluated. The herbicide mass adsorbed onto the membranes was also determined, and the contribution of the fouling resistance to the total resistance to permeate flux was much lower than the inherent resistance of the clean membranes. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：267 / 276

页数：10

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