Adsorption-coupled Fenton type reduction of bromate in water by high-yield polymer-derived ceramic-supported nano-zerovalent iron
Article
Idrees, Muhammad, Batool, Saima, Rasheed, Hina, Herath, Indika, Bundschuh, Jochen, Niazi, Nabeel Khan, Ahmad, Mahtab, Xu, Junguo and Chen, Deliang. 2024. "Adsorption-coupled Fenton type reduction of bromate in water by high-yield polymer-derived ceramic-supported nano-zerovalent iron." Environmental Research. 258. https://doi.org/10.1016/j.envres.2024.119419
Article Title | Adsorption-coupled Fenton type reduction of bromate in water by high-yield polymer-derived ceramic-supported nano-zerovalent iron |
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ERA Journal ID | 5825 |
Article Category | Article |
Authors | Idrees, Muhammad, Batool, Saima, Rasheed, Hina, Herath, Indika, Bundschuh, Jochen, Niazi, Nabeel Khan, Ahmad, Mahtab, Xu, Junguo and Chen, Deliang |
Journal Title | Environmental Research |
Journal Citation | 258 |
Article Number | 119419 |
Number of Pages | 14 |
Year | 2024 |
Publisher | Elsevier |
Place of Publication | United States |
ISSN | 0013-9351 |
1096-0953 | |
Digital Object Identifier (DOI) | https://doi.org/10.1016/j.envres.2024.119419 |
Web Address (URL) | https://www.sciencedirect.com/science/article/pii/S0013935124013240 |
Abstract | Nano-zerovalent iron (nZVI) is a promising material for the removal of both organic and inorganic pollutants from contaminated water. This study investigates the potential of a novel composite of nZVI on a polymer-derived supporting ceramic (nZVI-PDC) synthesized via the liquid-phase reduction method for the simultaneous adsorption and Fenton-type reduction of bromate anion (BrO3−) in water. The nZVI nanoparticles were effectively anchored onto the PDC by impregnating high-yield carbon in a ferrous sulfate solution. The PDC facilitated the uniform dispersion of nZVI nanoparticles due to its multiple active sites distributed within mesocarbon cavities. The developed nZVI-PDC composite exhibited a high specific surface area of 837 m2 g−1 and an ordered mesoporous structure with a pore volume of 0.37 cm3 g−1. As an adsorbent, the nZVI-PDC composite exhibited a maximum adsorption capacity (qe) of 842 mg g−1 and a partition coefficient (KH) of 10.2 mg g−1 μM−1, as calculated by the pseudo-second-order model. As a catalyst, the composite demonstrated a reaction kinetic rate of 43.5 μmol g−1 h−1 within 6 h at pH 4, using a dosage of 60 mg L−1 nZVI-PDC and a concentration of 0.8 mmol L−1 H2O2. Comparatively, PDC exhibited a qe of 408 mg g−1, KH of 1.67 mg g−1 μM−1, and a reaction rate of 20.8 μmol g−1 h−1, while nZVI showed a qe of 456 mg g−1, KH of 2.30 mg g−1 μM−1, and a reaction rate of 27.2 μmol g−1 h−1. The modelling indicated that the nZVI-PDC composite followed pseudo-second-order kinetics. The remarkable removal efficiency of the nZVI-PDC composite was attributed to the synergistic effects between PDC and nZVI, where PDC facilitated charge transfer, promoting Fe2+ generation and the Fe3+/Fe2+ cycle. Overall, this work introduces a promising adsorption technology for the efficient removal of BrO3− from contaminated aqueous solutions, highlighting the significant potential of the nZVI-PDC composite in water purification applications. |
Keywords | Adsorption; nZVI-PDC composite ; Polymer-derived ceramic ; Bromate reduction and Fenton reaction ; Aqueous treatment |
Contains Sensitive Content | Does not contain sensitive content |
ANZSRC Field of Research 2020 | 410499. Environmental management not elsewhere classified |
Public Notes | Files associated with this item cannot be displayed due to copyright restrictions. |
Byline Affiliations | Dongguan University of Technology, China |
University of Science and Technology of China, Hefei, China | |
Guangdong Provincial Engineering Technology Research Center, China | |
Shenzhen University, China | |
Islamia University of Bahawalpur, Pakistan | |
Deakin University | |
School of Engineering | |
University of Agriculture Faisalabad, Pakistan | |
Quaid-i-Azam University, Pakistan |
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https://research.usq.edu.au/item/z84z4/adsorption-coupled-fenton-type-reduction-of-bromate-in-water-by-high-yield-polymer-derived-ceramic-supported-nano-zerovalent-iron
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