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Type: Journal article
Title: The hydrothermal processing of iron oxides from bacterial biofilm waste as new nanomaterials for broad applications
Author: Yu, L.
Tran, D.
Forward, P.
Lambert, M.
Losic, D.
Citation: RSC Advances, 2018; 8(61):34848-34852
Publisher: Royal Society of Chemistry
Issue Date: 2018
ISSN: 2046-2069
Statement of
Le Yu, Diana N. H. Tran, Peter Forward, Martin F. Lambert and Dusan Losic
Abstract: Iron oxides and their hydroxides have been studied and analysed with properties of their mutual transformations under different hydrothermal conditions being indicated. Amorphous bacteria nanowires produced from biofilm waste were investigated under the influence of pH at a fixed duration (20 h) and reaction temperature (200 °C). The morphology, structure, and particle size of the transformation of hematite (α-Fe2O3) was obtained and characterised with SEM, XRD, FTIR, and particle sizer. The optimal conditions for the complete conversion of amorphous iron oxide nanowires to crystalline α-Fe2O3 is under acidic conditions where the pH is 1. The flower-like α-Fe2O3 structures have photocatalytic activity and adsorbent properties for heavy metal ions. This one-pot synthesis approach to produce α-Fe2O3 at a low cost would be greatly applicable to the recycling process of biofilm waste in order to benefit the environment.
Rights: Open Access Article. This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
RMID: 0030100726
DOI: 10.1039/c8ra07061j
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Appears in Collections:Civil and Environmental Engineering publications

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