Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/92490
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Type: Journal article
Title: Engineered graphene-nanoparticle aerogel composites for efficient removal of phosphate from water
Author: Tran, D.
Kabiri, S.
Wang, L.
Losic, D.
Citation: Journal of Materials Chemistry A, 2015; 3(13):6844-6852
Publisher: Royal Society of Chemistry
Issue Date: 2015
ISSN: 2050-7488
2050-7496
Statement of
Responsibility: 
Diana N. H. Tran, Shervin Kabiri, Luoshan Wang and Dusan Losic
Abstract: The contamination of aqueous systems with phosphates has considerable environmental concerns and here, we present a new method for phosphate removal based on graphene aerogel composites. 3-Dimensional graphene aerogels decorated with goethite (αFeOOH) and magnetite (Fe3O4) nanoparticles were synthesised and their application in capturing phosphates in water was successfully demonstrated. The prepared aerogels showed superior capacity to remove up to 350 mg g−1 at an initial phosphate concentration of 200 mg L−1 from water. The Freundlich model was suitable to describe the adsorption mechanism of phosphate removal by the graphene–iron nanoparticle aerogels through both mononuclear and polynuclear adsorption onto the nanosized αFeOOH and Fe3O4 nanoparticles. These new phosphate adsorbents can be produced in different forms and dimensions, using a simple, green and scalable process, and have the potential to be applied for practical applications in phosphate management of waste and storm water.
Description: First published online 10 Feb 2015
Rights: This journal is © The Royal Society of Chemistry 2015
RMID: 0030025249
DOI: 10.1039/c4ta06308b
Grant ID: http://purl.org/au-research/grants/arc/FT110100711
Appears in Collections:IPAS publications

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