Carbon nanocages as heavy metal ion adsorbents
dc.contributor.author | Burke, David M. | |
dc.contributor.author | O'Byrne, Justin P. | |
dc.contributor.author | Fleming, Peter G. | |
dc.contributor.author | Borah, Dipu | |
dc.contributor.author | Morris, Michael A. | |
dc.contributor.author | Holmes, Justin D. | |
dc.contributor.funder | Environmental Protection Agency | en |
dc.date.accessioned | 2018-08-30T13:35:46Z | |
dc.date.available | 2018-08-30T13:35:46Z | |
dc.date.issued | 2011-07-19 | |
dc.date.updated | 2018-08-06T15:08:11Z | |
dc.description.abstract | Heavy metal ion contamination in drinking water poses a major risk to human health, whilst contamination in wastewater streams can cause damage to the wider environment. In this study carbon nanocages, synthesised using a supercritical fluid deposition method, were examined as adsorbents of Pb2+ ions from aqueous solutions. Through careful selection of the catalyst and the carbon deposition temperature and pressure, high yields of nanocages with surface areas up to 1175 m2 g−1 were synthesised. These high surface area materials were subsequently tested for their ability to absorb Pb2+ ions, as a function of pH, from simulated wastewater. The nanocages were found to be effective at removing the Pb2+ ions at levels of 11.1 mg g−1, compared to 7.6 mg g−1 for commercially available activated carbon. The kinetics of metal ion adsorption by the nanocages and activated carbon can be described by a pseudo-second-order kinetics model, with a rate coefficient (k2) of 4.8 × 102 g mg−1 min−1. | en |
dc.description.sponsorship | Environmental Protection Agency, Ireland (Project: STRIVE 2007-PhD-ET-10). | en |
dc.description.status | Peer reviewed | en |
dc.description.version | Accepted Version | en |
dc.format.mimetype | application/pdf | en |
dc.identifier.citation | Burke, D. M., O'Byrne, J. P., Fleming, P. G., Borah, D., Morris, M. A. and Holmes, J. D. (2011) 'Carbon nanocages as heavy metal ion adsorbents', Desalination, 280(1), pp. 87-94. doi: 10.1016/j.desal.2011.06.053 | en |
dc.identifier.doi | 10.1016/j.desal.2011.06.053 | |
dc.identifier.endpage | 94 | en |
dc.identifier.issn | 0011-9164 | |
dc.identifier.journaltitle | Desalination | en |
dc.identifier.startpage | 87 | en |
dc.identifier.uri | https://hdl.handle.net/10468/6691 | |
dc.identifier.volume | 280 | en |
dc.language.iso | en | en |
dc.publisher | Elsevier | en |
dc.relation.uri | http://www.sciencedirect.com/science/article/pii/S0011916411005819 | |
dc.rights | © 2011 Elsevier B.V. All rights reserved. This manuscript version is made available under the CC-BY-NC-ND 4.0 license | en |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/4.0/ | en |
dc.subject | Carbon | en |
dc.subject | Nanocages | en |
dc.subject | Lead ions | en |
dc.subject | Adsorption | en |
dc.subject | Remediation | en |
dc.title | Carbon nanocages as heavy metal ion adsorbents | en |
dc.type | Article (peer-reviewed) | en |
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