Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/92480
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Type: Journal article
Title: Graphene aerogels decorated with α-FeOOH nanoparticles for efficient adsorption of arsenic from contaminated waters
Other Titles: Graphene aerogels decorated with alpha-FeOOH nanoparticles for efficient adsorption of arsenic from contaminated waters
Author: Andjelkovic, I.
Tran, D.
Kabiri, S.
Azari, S.
Markovic, M.
Losic, D.
Citation: ACS Applied Materials and Interfaces, 2015; 7(18):9758-9766
Publisher: American Chemical Society
Issue Date: 2015
ISSN: 1944-8244
1944-8252
Statement of
Responsibility: 
Ivan Andjelkovic, Diana N. H. Tran, Shervin Kabiri, Sara Azari, Marijana Markovic, and Dusan Losic
Abstract: Arsenic (As) is the world's most hazardous chemical found in drinking water of many countries; therefore, there is an urgent need for the development of low-cost adsorbents for its removal. Here, we report a highly versatile and synthetic route for the preparation of a three-dimensional (3D) graphene-iron oxide nanoparticle aerogel composite for the efficient removal of As from contaminated water. This unique three-dimensional (3D) interconnected network was prepared from natural graphite rocks with a simple reaction, without the use of harsh chemicals, which combines with the exfoliation of graphene oxide (GO) sheets via the reduction of ferrous ion to form a graphene aerogel composite decorated with iron oxide nanoparticles. The prepared adsorbent showed outstanding absorption performance for the removal of As from contaminated water, because of its high surface-to-volume ratio and characteristic pore network in the 3D architecture. The performed case study using real drinking water contaminated with As under batch conditions showed successful removal of arsenic to the concentration recommended by the World Health Organisation (WHO).
Keywords: graphene; α-FeOOH nanoparticles; aerogel; adsorption; arsenic
Description: Publication Date (Web): April 14, 2015
Rights: © 2015 American Chemical Society
RMID: 0030029828
DOI: 10.1021/acsami.5b01624
Grant ID: http://purl.org/au-research/grants/arc/FT110100711
Appears in Collections:IPAS publications

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