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Fenton reaction in the presence of humates. Treatment of highly contaminated wastewater at neutral pH.

Authors
  • Kochany, J1
  • Lipczynska-Kochany, E
  • 1 Conestoga-Rovers & Associates, 111 Brunel Rd., Mississauga, ON, Canada. , (Canada)
Type
Published Article
Journal
Environmental technology
Publication Date
Sep 01, 2007
Volume
28
Issue
9
Pages
1007–1013
Identifiers
PMID: 17910253
Source
Medline
License
Unknown

Abstract

This paper presents the results of a treatability study conducted on highly contaminated wastewater using Fenton reaction at neutral pH, in the presence of humic substances. It has been found that addition of hurmates significantly accelerates the degradation of cyanide, thiocyanide, phenols and arsenic by ferrous iron and hydrogen peroxide. Only negligible amounts of contaminants of concern were removed when humates were added without the Fenton reagent. The mechanism of the humates effect is discussed. It is suggested that the combination of Fenton reagent with humates could provide a convenient and economical way for treatment of highly contaminated water at neutral pH.

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