Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/95304
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Type: Journal article
Title: Graphene-diatom silica aerogels for efficient removal of mercury ions from water
Author: Kabiri, S.
Tran, D.
Azari, S.
Losic, D.
Citation: ACS Applied Materials and Interfaces, 2015; 7(22):11815-11823
Publisher: American Chemical Society
Issue Date: 2015
ISSN: 1944-8244
1944-8252
Statement of
Responsibility: 
Shervin Kabiri, Diana N.H. Tran, Sara Azari, and Dusan Losic
Abstract: A simple synthetic approach for the preparation of graphene-diatom silica composites in the form of self-assembled aerogels with three-dimensional networks from natural graphite and diatomite rocks is demonstrated for the first time. Their adsorption performance for the removal of mercury from water was studied as a function of contact time, solution pH, and mercury concentration to optimize the reaction conditions. The adsorption isotherm of mercury fitted well with the Langmuir model, representing a very high adsorption capacity of >500 mg of mercury/g of adsorbent. The prepared aerogels exhibited outstanding adsorption performance for the removal of mercury from water, which is significant for environmental applications.
Keywords: Graphene; diatomaceous earth; aerogel; adsorption; mercury
Rights: © 2015 American Chemical Society
RMID: 0030033107
DOI: 10.1021/acsami.5b01159
Grant ID: http://purl.org/au-research/grants/arc/FT110100711
Appears in Collections:Chemical Engineering publications

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