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|Title:||Effects of surface functional groups of activated carbon on adsorption of triclosan from aqueous solution|
|Citation:||Environmental Technology: a Good Prospect for Better Environmental Management. In: International Journal of Environmental Technology and Management. Vol 10, No 1, 2009 / vol.10, iss.1, pp.36-45|
|Publisher Place:||United Kingdom|
|Conference Name:||Environmental Research Event (ERE) (10 Dec 2006 : Sydney)|
|Sheng Fu Fang, Phillip Pendleton and Alexander Badalyan|
|Abstract:||We report adsorption of triclosan by using activated carbons as a potential method to improve the discharge water purification process. Commercially available activated carbons, P1300, Picazine HP and Hydrodarco C, display different levels of affinity for triclosan from aqueous solution. Surface chemistry of these adsorbents were modified via reduction, oxidation and nitridation, to improve and better understand the adsorption process. The adsorption capacity was greatly influenced by surface group changes, with a decrease in relative affinity on oxidation. Nitridation enhanced the amounts adsorbed over the thermally reduced samples. Surface analysis via X-ray Photoelectron Spectroscopy (XPS) helped us identify the introduced surface functional group changes. Overall, nitridation resulted in an increased basic character of the surface exploiting the Lewis acidic nature of triclosan when it is dissolved in solution. The surface chemistry modified adsorbents suggest that adsorption from solution is a viable methodology for triclosan control during wastewater treatment.|
|Keywords:||Environment and sustainable development; technology management|
|Rights:||Copyright © 2006 Inderscience Enterprises Ltd.|
|Appears in Collections:||Institute for Mineral and Energy Resources publications|
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