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2015年 第9卷 第5期

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《环境科学与工程前沿（英文）》 >> 2015年 第9卷 第5期 doi: 10.1007/s11783-015-0814-x

Nanosized magnetite in low cost materials for remediation of water polluted with toxic metals, azo- and antraquinonic dyes

1. Institute of Chemistry of the South (Inquisur, Universidad Nacional del Sur—CONICET), Avda Alem 1253, Bahía Blanca, Argentina.2. Pilot Plant of Chemical Engineering (PLAPIQUI-UNS-CONICET), Universidad Nacional del Sur—CONICET, Camino La Carrindanga km7, Bahía Blanca, Argentina

录用日期： 2015-09-14 发布日期： 2015-10-08
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Nanosized magnetite has emerged as an adsorbent of pollutants in water remediation. Nanoadsorbents include magnetic iron oxide and its modifiers/stabilizers, such as carbon, silica, clay, organic moieties (polymers, aminoacids, and fatty acids) and other inorganic oxides. This review is focused on the recent developments on the synthesis and use of magnetic nanoparticles and nanocomposites in the treatment of contaminated water. The emphasis is on the influence of the iron oxide modifiers on some properties of interest such as size, BET area, and magnetization. The characteristics of these nanomaterials are related to their ability to eliminate heavy metal ions and dyes from wastewater. Comparative analysis of the actual literature was performed aiming to present the magnetic material, its preparation methodology and performance in the elimination of the selected pollutants. Vast information has been properly summarized according to the materials, their properties and preferential affinity for selected contaminants. The mechanisms governing nanomaterial’s formation as well as the interactions with heavy metals and dyes have been carefully analyzed and associated to their efficiency.

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