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Title
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TiO2/SiO2 decorated carbon nanostructured materials as a multifunctional platform for emerging pollutants removal
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Author
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Abstract
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| Aquatic ecosystem contaminated with hazardous pollutants has become a high priority global concern leading to serious economic and environmental damage. Among various treatment approaches, carbon nanostructured materials have received particular interest as a novel platform for emerging pollutants removal owing to their unique chemical and electrical properties, biocompatibility, high scalability, and infinite functionalization possibility with an array of inorganic nanomaterials and bio-molecules. Within this framework, carbon nanotubes (CNTs) are widely used due to their hollow and layered structure and availability of large specific surface area for the incoming contaminants. Carbon nanotubes can be used either as single-walled, multi-walled, or functionalized nanoconstructs. TiO2/SiO2-functionalized CNTs are among the most promising heterogeneous photocatalytic candidates for the degradation of a range of organic compounds, heavy metals reduction, and selective oxidative reactions. Herein, we reviewed recent development in the application of TiO2 and SiO2 functionalized nanostructured carbon materials as potential environmental candidates. After a brief overview of synthesis and properties of CNTs, we explicitly discussed the potential applications of TiO2/SiO2 functionalized CNTs for the remediation of a variety of environmentally-related pollutants of high concern, including synthetic dyes or dyebased hazardous waste effluents, as polycyclic aromatic hydrocarbons (PAHs), pharmaceutically active compounds, pesticides, toxic heavy elements, remediation of metal-contaminated soil, and miscellaneous organic contaminants. The work is wrapped up by giving information on current challenges and recommended guidelines about future research in the field bearing in mind the conclusions of the current review. |
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Language
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English
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Source (journal)
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The science of the total environment. - Amsterdam, 1972, currens
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Publication
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Amsterdam
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2019
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ISSN
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0048-9697
[print]
1879-1026
[online]
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DOI
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10.1016/J.SCITOTENV.2019.06.200
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Volume/pages
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688
(2019)
, p. 299-311
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Full text (Publisher's DOI)
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Full text (publisher's version - intranet only)
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