Degradation of chelating agents in aqueous solution using advanced oxidation process (AOP)

Mika E.T. Sillanpää, Tonni Agustiono Kurniawan, Wai Hung Lo

Research output: Journal article publicationReview articleAcademic researchpeer-review

198 Citations (Scopus)

Abstract

This article presents an overview with critical analysis of technical applicability of advanced oxidation process (AOP) 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.
Original languageEnglish
Pages (from-to)1443-1460
Number of pages18
JournalChemosphere
Volume83
Issue number11
DOIs
Publication statusPublished - 1 Jun 2011

Keywords

  • Complexing agents
  • EDTA
  • NTA
  • Phosphonate
  • Photocatalytic oxidation (PCO)
  • Wastewater treatment

ASJC Scopus subject areas

  • General Chemistry
  • Environmental Chemistry

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