Retracted Article: Superior adsorption capacity of hierarchical iron oxide@magnesium silicate magnetic nanorods for fast removal of organic pollutants from aqueous solution

Shouwei Zhang; Wenqing Xu; Meiyi Zeng; Jie Li; Jiaxing Li; Jinzhang Xu; Xiangke Wang

doi:10.1039/C3TA12767B

Retracted Article: Superior adsorption capacity of hierarchical iron oxide@magnesium silicate magnetic nanorods for fast removal of organic pollutants from aqueous solution†

Shouwei Zhang,‡^ab Wenqing Xu,‡^d Meiyi Zeng,^b Jie Li,^a Jiaxing Li,*^a Jinzhang Xu^b and Xiangke Wang*^ac

* Corresponding authors

^a Key Laboratory of Novel Thin Film Solar Cells, Institute of Plasma Physics, Chinese Academy of Sciences, P.O. Box 1126, Hefei, P. R. China
E-mail: lijx@ipp.ac.cn, xkwang@ipp.ac.cn
Fax: +86-551-65591310
Tel: +86-551-65592788

^b School of Materials Science and Engineering, Hefei University of Technology, Hefei, P. R. China

^c School for Radiological and Interdisciplinary Sciences, Soochow University, Suzhou 215123, P. R. China

^d Department of Chemical and Environmental Engineering, Yale University, 9 Hillhouse Ave., New Haven, CT 06520, USA

Abstract

Novel hierarchical core–shell iron oxide@magnesium silicate magnetic nanorods (HIO@MgSi) were fabricated via a versatile sol–gel process through hydrothermal reaction. They contain magnetic iron oxide (Fe₃O₄) cores and hierarchical shells (MgSi) made of ultrathin nanosheets (ca. 5 nm). Using methylene blue as a model compound, the HIO@MgSi nanorods showed fast adsorption kinetics and a superb adsorption capacity. 99.3% of methylene blue was adsorbed onto the surface of the HIO@MgSi nanorods in 40 min contact time. A maximum adsorption capacity of 2020.20 mg g⁻¹ was achieved after 4 h. This study indicated that HIO@MgSi nanorods can be used as a potential super adsorbent to remove cationic organic pollutants effectively and rapidly from large volumes of industrial wastewater or drinking water.

Journal of Materials Chemistry A

Retracted Article: Superior adsorption capacity of hierarchical iron oxide@magnesium silicate magnetic nanorods for fast removal of organic pollutants from aqueous solution†

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