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- W3044432073 abstract "The removal of chlorinated hydrocarbons through heterogeneous catalysts from groundwater has become a valuable approach. However, the synthesis of a highly efficient and persistent material especially for trichloroethane (TCA) removal is still immature. In this study, we prepared polydopamine (PDA) embedded Fe/rGO nanocomposite via pH-induced polymerization of dopamine for the degradation of TCA in sodium percarbonate (SPC) system. The experimental outcomes revealed that PDA decorated Fe/rGO not only enhanced the TCA degradation (98%) more economically but also strengthened the stability and recyclability of catalyst compared to bare Fe/rGO. The TEM, XRD, FTIR, XPS and VSM analyses declared the successful preparation of magnetically separable [email protected]/rGO nanocomposite. Furthermore, a higher degradation rate of probe compounds in [email protected]/rGO/SPC system indicated that PDA decoration improved the formation of active species due to autoxidation of dopamine and reducing capability of PDA. The impact of solution matrix on [email protected]/rGO performance elucidated the effect of various species on degradation. The GCMS, TOC analysis and dechlorination experiments validated the formation of non-toxic products and reasonable TOC and chloride ions removal. The [email protected]/rGO catalyst can be recycled for six consecutive cycles retaining a 76% along with abundant availability of Fe2+ and Fe3+ species validated using XRD and XPS analysis. The enhanced remediation capacity and improved recyclability of [email protected]/rGO nanocomposite can serve as a shining star for the practical application of TCA removal in groundwater." @default.
- W3044432073 created "2020-07-29" @default.
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- W3044432073 date "2021-01-01" @default.
- W3044432073 modified "2023-10-13" @default.
- W3044432073 title "A recyclable polydopamine-functionalized reduced graphene oxide/Fe nanocomposite (PDA@Fe/rGO) for the enhanced degradation of 1,1,1-trichloroethane" @default.
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- W3044432073 doi "https://doi.org/10.1016/j.cej.2020.126405" @default.
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