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Removal and Degradation of Microplastics Using the Magnetic and Nanozyme Activities of Bare Iron Oxide Nanoaggregates
| Description: | Removal and degradation of microplastics are often carried out separately. In this work, hydrophilic bare Fe3O4 nanoaggregates allowed efficient removal of the most common microplastics including high-density polyethylene, polypropylene, polyvinyl chloride, polystyrene, and polyethylene terephthalate. Full extraction was achieved using Fe3O4 at 1% of the mass of microplastics. Hydrogen bonding is the main force for the adsorption of Fe3O4. Unlike the more commonly used hydrophobically modified Fe3O4 nanoparticles, the bare Fe3O4 benefitted from the peroxidase-like activity of its exposed surface, enabling further catalytic degradation of microplastics with nearly 100% efficiency and easy recovery of the Fe3O4. |
| Notes: | Associated publication: Removal and Degradation of Microplastics Using the Magnetic and Nanozyme Activities of Bare Iron Oxide Nanoaggregates Item exited embargo and became publicly available on 2022-12-31 |
| Authors: | Zandieh, Mohamad; University of Waterloo;  0000-0001-9560-6184Liu, Juewen; University of Waterloo; 0000-0001-5918-9336 |
| Keywords: | microplastics iron oxide nanoparticles nanozymes water treatment plastic degradation |
| Field of Research: | Chemical sciences > Analytical chemistry > Separation science
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| Publication Date: | 2022-12-31 |
| Publisher: | Federated Research Data Repository / dépôt fédéré de données de recherche |
| Funder: | Natural Sciences and Engineering Research Council of Canada; Alliance Grants - Plastics Science for a Cleaner Future program; ALLRP 558435–20 |
| URI: | https://doi.org/10.20383/103.0645 |
| Related Identifiers: |
This dataset is cited by
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| Appears in Collections: | Water Institute |
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Creative Commons Public Domain Dedication (CC0 1.0) https://creativecommons.org/publicdomain/zero/1.0/
Citation
Zandieh, M., Liu, J. (2022). Removal and Degradation of Microplastics Using the Magnetic and Nanozyme Activities of Bare Iron Oxide Nanoaggregates. Federated Research Data Repository. https://doi.org/10.20383/103.0645
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