期刊
MATERIALS LETTERS
卷 292, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.matlet.2021.129612
关键词
MWCNTs; Kerosene removal; Contaminated water; Adsorption; Nanoparticles
资金
- [GINOP-2.2.1-152017-00106]
- [GINOP 2.3.2-15-2016-00016]
In this study, functionalized multi-walled carbon nanotubes impregnated with metal oxides were successfully used to remove kerosene from contaminated water, with TiO2/MWCNTs showing the highest adsorption efficiency.
To date, numerous oily contaminants have posed a significant risk of severe pollution to the environment. In this study, functionalized multi-walled carbon nanotubes (MWCNTs) were impregnated with 2 wt% metal oxides (MxOy = TiO2, V2O5), respectively. The modified MWCNTs were successfully studied and characterized to determine the structure and chemical nature. This preparation was used to remove kerosene, which was one of the biggest petroleum pollutants, from contaminated water. We found that excellent adsorption efficiencies for kerosene removal (up to 84%) from water were obtained over TiO2/MWCNTs, among other candidates. This could be due to the functionalization of MWCNTs with strong acids, followed by modification with TiO2 nanoparticles, which increased the surface area of MWCNTs. In conclusion, MxOy/MWCNTs have attracted its future application to decontaminate environmental petroleum pollutants. (C) 2021 Elsevier B.V. All rights reserved.
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