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Issue 61, 2018, Issue in Progress
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The hydrothermal processing of iron oxides from bacterial biofilm waste as new nanomaterials for broad applications

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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.

Graphical abstract: The hydrothermal processing of iron oxides from bacterial biofilm waste as new nanomaterials for broad applications

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Supplementary files

Article information


Submitted
23 Aug 2018
Accepted
05 Oct 2018
First published
11 Oct 2018

This article is Open Access

RSC Adv., 2018,8, 34848-34852
Article type
Paper

The hydrothermal processing of iron oxides from bacterial biofilm waste as new nanomaterials for broad applications

L. Yu, Diana N. H. Tran, P. Forward, M. F. Lambert and D. Losic, RSC Adv., 2018, 8, 34848
DOI: 10.1039/C8RA07061J

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