Matches in SemOpenAlex for { <https://semopenalex.org/work/W3174809152> ?p ?o ?g. }
- W3174809152 endingPage "126461" @default.
- W3174809152 startingPage "126461" @default.
- W3174809152 abstract "The nano-zero-valent iron composite ([email protected]) was successfully prepared using a low-cost and environmental-friendly green synthesis via tea leaves extract (tea polyphenols, TPs) and the montmorillonite (Mont). The batch and column experiments and characterization were conducted to investigate the transport behavior and Cr(VI) remediation by [email protected] in water/soil. Due to its particular surface characteristics and morphology (i.e., the Fe0 core wrapped by TPs, the doped sulfur, and interlayer structure), the [email protected] composite showed a great removal capacity of Cr(VI) and sufficient mobility under different soil conditions. We opine the increase in the Cr(VI) reduction of [email protected] was attributed to the tethering of Fe2O3 on the surface of Fe0 core by the support of Mont interlayer, especially the TP-coverage around [email protected] surface unwrapped, thereby increasing the regenerated reactive Fe2+ and the exposed reaction sites of Fe0 cores to Cr(VI). The increased transportability of [email protected] slightly depends on the heterogeneous soil properties (i.e., ionic strength, sand/soil ratio, and pH). The two-site kinetic attachment model fitting results suggest Cr(VI)/Cr(III) speciation associated with the agglomerated [email protected] were efficiently immobilized in soil. Therefore, this study would benefit the efficient application of the green-synthesized [email protected] in in-situ remediation of soils contaminated by Cr(VI)." @default.
- W3174809152 created "2021-07-05" @default.
- W3174809152 creator A5013940411 @default.
- W3174809152 creator A5026841068 @default.
- W3174809152 creator A5028922795 @default.
- W3174809152 creator A5076651778 @default.
- W3174809152 creator A5081064643 @default.
- W3174809152 creator A5083408033 @default.
- W3174809152 date "2021-10-01" @default.
- W3174809152 modified "2023-10-07" @default.
- W3174809152 title "Synthesis of montmorillonite-supported nano-zero-valent iron via green tea extract: Enhanced transport and application for hexavalent chromium removal from water and soil" @default.
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