Chitin-based magnetic composite for the removal of contaminating substances from aqueous media |
| |
Authors: | Samoilova N. A. Krayukhina M. A. |
| |
Affiliation: | 1.A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 ul. Vavilova, 119991, Moscow, Russian Federation ; |
| |
Abstract: | A method of obtaining multipurpose magnetic chitin, which combines the magnetic properties of magnetite and the adsorption properties of polysaccharide, was proposed. The possibility of using chitin-(CT) and chitosan (CS)-containing magnetic composites for the adsorption of inorganic ions CoII and CrVI and organic substances (2- and 4-nitrophenols) from aqueous media was analyzed. It was shown that the adsorption capacity of magnetic chitin with respect to CoII and CrVI ions reached 41 mg g?1 and 15 mg g?1, respectively. The maximum adsorption capacity for 4-nitrophenol (19 mg g?1 per CT-containing magnetic composite or 56 mg g?1 per chitin component) was about three times higher than for 2-nitrophenol. The obtained adsorbent Fe3O4/CT is environmentally friendly and reusable. |
| |
Keywords: | |
本文献已被 SpringerLink 等数据库收录! |
|