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An overview of the modification methods of activated carbon for its water treatment applications
Linnaeus University, Faculty of Health and Life Sciences, Department of Biology and Environmental Science.ORCID iD: 0000-0002-3565-9943
Linnaeus University, Faculty of Health and Life Sciences, Department of Biology and Environmental Science.ORCID iD: 0000-0002-1903-760X
Linnaeus University, Faculty of Health and Life Sciences, Department of Biology and Environmental Science. Univ Estado Rio De Janeiro, Dept Sanit & Environm Engn, UERJ, Rio De Janeiro, Brazil.ORCID iD: 0000-0002-7920-8001
Lappeenranta Univ Technol, Fac Technol, FI-50100 Mikkeli, Finland.
2013 (English)In: Chemical Engineering Journal, ISSN 1385-8947, Vol. 219, 499-511 p.Article, review/survey (Refereed) Published
Abstract [en]

Activated carbon has been recognized as one of the oldest and widely used adsorbent for the water and wastewater treatment for removing organic and inorganic pollutants. The application of activated carbon in adsorption process is mainly depends on the surface chemistry and pore structure of porous carbons. The method of activation and the nature of precursor used greatly influences surface functional groups and pore structure of the activated carbon. Therefore, the main focus of researchers is to develop or modifies the activation/treatment techniques in an optimal manner using appropriate precursors for specific pollutants. In recent years, emphasis is given to prepare the surface modified carbons using different procedures to enhance the potential of activated carbon for specific contaminants. Various methods such as, acid treatment, base treatment, impregnation treatment, ozone treatment, surfactant treatment, plasma treatment and microwave treatment have been studied to develop surface modified activated carbons. In this paper, these modification methods have been reviewed and the potential of surface modified activated carbons towards water treatment has been discussed. This review article is aimed at providing precise information on efforts made by various researchers in the field of surface modification of activated carbon for water pollution control. (C) 2012 Elsevier B.V. All rights reserved.

Place, publisher, year, edition, pages
2013. Vol. 219, 499-511 p.
Keyword [en]
Aquatic pollutants, Water treatment, Activated carbon, Surface modification, Modification methods
National Category
Environmental Sciences
Research subject
Environmental Science, Environmental technology
Identifiers
URN: urn:nbn:se:lnu:diva-25620DOI: 10.1016/j.cej.2012.12.038ISI: 000317159300059OAI: oai:DiVA.org:lnu-25620DiVA: diva2:621069
Available from: 2013-05-13 Created: 2013-05-13 Last updated: 2016-11-17Bibliographically approved

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Bhatnagar, AmitHogland, WilliamMarques, Marcia
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CiteExportLink to record
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