Journal
CHEMOSPHERE
Volume 83, Issue 11, Pages 1443-1460Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chemosphere.2011.01.007
Keywords
Complexing agents; EDTA; NTA; Phosphonate; Photocatalytic oxidation (PCO); Wastewater treatment
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Funding
- European Commissions (EC) [MTKD-CT-2006-042637]
- PolyU Central Research Grant
- Research Grants Council of The Hong Kong SAR [PolyU 5233/06E]
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This article presents an overview with critical analysis of technical applicability of advanced oxidation process (ACT) in removing chelating agents from aqueous solution. Apart from the effect of metals for chelating agents as a major influencing factor, selected information such as pH, oxidant's dose, concentrations of pollutants and treatment performance is presented. The performance of individual AOP is compared. It is evident from our literature survey that photocatalysis with UV irradiation alone or coupled with TiO2, ozonation and Fenton's oxidation are frequently applied to mineralize target pollutants. Overall, the selection of the most suitable AOP depends on the characteristics of effluents, technical applicability, discharge standard, regulatory requirements and environmental impacts. (c) 2011 Elsevier Ltd. All rights reserved.
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