Review of modifications of activated carbon for enhancing contaminant uptakes from aqueous solutions

Yin, C.Y. and Aroua, M.K. and Daud, W.M.A.W. (2007) Review of modifications of activated carbon for enhancing contaminant uptakes from aqueous solutions. Separation and Purification Technology, 52 (3). pp. 403-415. ISSN 1383-5866, DOI

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Due to its versatility and wide range of applications, activated carbon is widely used as contaminant removal media. Recent research have focused on enhancing the effectiveness of activated carbon by modifying their specific properties in order to enable the carbon to develop affinity for certain contaminants. In view of this, a comprehensive list of literatures on chemical, physical and biological modification techniques of activated carbon pertaining to enhancement of contaminant removal from aqueous solutions was compiled and reviewed. Acidic treatment to introduce acidic functional groups onto surface of activated carbon was by far, the most studied technique. It was apparent from the literature survey that the beneficial effects of specific modification techniques on activated carbon adsorption of targeted contaminant species from aqueous solutions were profound, with some studies reported increase of contaminant uptake factors of more than 2. Concurrently, considerable decreases associated with certain contaminant uptakes can also occur depending on the technique used.

Item Type: Article
Additional Information: Cited By (since 1996):115 Export Date: 21 April 2013 Source: Scopus CODEN: SPUTF :doi 10.1016/j.seppur.2006.06.009 Language of Original Document: English Correspondence Address: Yin, C.Y.; Faculty of Chemical Engineering, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia; email: References: Chingombe, P., Saha, B., Wakeman, R.J., Surface modification and characterisation of a coal-based activated carbon (2005) Carbon, 43, pp. 3132-3143; Monser, L., Adhoum, N., Modified activated carbon for the removal of copper, zinc, chromium and cyanide from wastewater (2002) Sep. Purif. Technol., 26, pp. 137-146; (1980) Carbon Adsorption Handbook, , Cheremisinoff P.N., and Ellerbusch F. 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Uncontrolled Keywords: Activated carbon modification; Aqueous solution; Contaminant; Impregnation; Surface functional groups; Acidity; Chemical modification; Impurities; Solutions; Surface active agents; Wastewater treatment; Carbon adsorption; Contaminant removal; Activated carbon.
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TP Chemical technology
Divisions: Faculty of Engineering
Depositing User: Mr Jenal S
Date Deposited: 17 Jul 2013 02:33
Last Modified: 08 Nov 2017 08:33

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