Dichloroaniline retention by nanofiltration membranes

• Published in: Water research (Oxford) Vol. 39; no. 8; pp. 1594 - 1600
• Main Authors: Causserand, C., Aimar, P., Cravedi, J.P., Singlande, E.
• Format: Journal Article
• Language: English
• Published: Oxford Elsevier Ltd 01.04.2005; Elsevier Science; IWA Publishing/Elsevier
• Subjects: Adsorption; Aniline Compounds - isolation & purification; Applied sciences; aromatic amines; Biological and medical sciences; Biotechnology; Chemical engineering; Chemical Sciences; Dichloroaniline; Environment and pollution; Exact sciences and technology; Filtration; Fundamental and applied biological sciences. Psychology; herbicides; Herbicides - isolation & purification; Industrial applications and implications. Economical aspects; membrane permeability; Membranes; Membranes, Artificial; microfiltration; Nanofiltration; Nanotechnology; Other industrial wastes. Sewage sludge; Pesticide; Pollution; Retention mechanisms; Wastes; Water Pollutants, Chemical - isolation & purification; water pollution; Water Purification - methods; Water treatment and pollution; Nanofiltration; Membranes; Pesticide; Adsorption; Retention mechanisms; Dichloroaniline; Membrane separation; Pesticides; Herbicide
• ISSN: 0043-1354; 1879-2448
• DOI: 10.1016/j.watres.2004.12.039

This study evaluates the performance of two nanofiltration membranes in removing a herbicide: dichloroaniline. The membranes, one polyamide and one cellulose acetate, have a cut-off in the range 150–300 g/mol (manufacturers’ data). The experiments were carried out with solutions of dichloroaniline in demineralized water, with concentrations from 1 to 10 ppb. For each membrane, the amount of herbicide retained and adsorbed by the membrane was determined as a function of feed concentration and transmembrane pressure. The two membranes, made of different materials but having the same nominal cut-off, retained dichloroaniline to very different extents and by different mechanisms.