Journal
CHEMOSPHERE
Volume 202, Issue -, Pages 686-693Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chemosphere.2018.03.153
Keywords
Adsorption; Biomass valorization; Iron oxides; Magnetic nanomaterials; Pyrolysis
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Funding
- Marie Sklodowska-Curie Research and Innovation Staff Exchange project - European Commission H-MSCA-RISE [645551]
- Compagnia di San Paolo
- University of Torino [Torino_call2014_L2_126]
- Polytechnic of Torino [54_RSG17NIR01]
- Universidad Nacional del Comahue, Argentina [04/I217]
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Composted urban biowaste-derived substances (BBS-GC) are used as carbon sources for the preparation of carbon-coated magnet-sensitive nanoparticles obtained via co-precipitation method and the subsequent thermal treatment at 550 degrees C under nitrogen atmosphere. A multitechnique approach has been applied to investigate the morphology, magnetic properties, phase composition, thermal stability of the obtained magnet-sensitive materials. In particular, pyrolysis-induced modifications affecting the BBS-GC/carbon shell were highlighted. The adsorption capacity of such bio-derivative magnetic materials for the removal of hydrophobic contaminants such as polycyclic aromatic hydrocarbons was evaluated in order to verify their potential application in wastewater remediation process. The promising results suggest their use as a new generation of magnet-responsive easily-recoverable adsorbents for water purification treatments. (C) 2018 Elsevier Ltd. All rights reserved.
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