Literature DB >> 28283978

Enhanced levofloxacin removal from water using zirconium (IV) loaded corn bracts.

Ying Yu1, Wei Wang1, Jing Shi2, Siyi Zhu1, Yachen Yan1.   

Abstract

The presence of antibiotics in the environment has attracted considerable attention due to their toxicity. In this study, agricultural waste corn bracts (CBs) modified by zirconium cations were utilized to remove levofloxacin (LEV) from wastewater. Zr-modified CBs exhibited a strong adsorption capacity (Qmax = 73 mg/g), and their desorption rate could reach 89% by simply adjusting the pH to 11. FTIR and XPS analyses indicated that the mechanism of LEV adsorption included the complexation between the ketone/carboxyl groups of LEV and the Zr atoms and the π-π electron-donor-acceptor interaction. Zr-modified CBs are economic, effective and nontoxic adsorbents. This material not only removes antibiotics from wastewater but also enables recycling and reuse of agricultural waste.

Entities:  

Keywords:  Complexation; Corn bracts; Levofloxacin; Recycling; Zr; π-π interaction

Mesh：

Substances：

Year:  2017        PMID： 28283978     DOI： 10.1007/s11356-017-8700-7

Source DB:  PubMed          Journal:  Environ Sci Pollut Res Int        ISSN： 0944-1344            Impact factor:   4.223


  32 in total

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