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Application of advanced oxidation methods for landfill leachate treatment – A review

Wang, F, Smith, Daniel W, El-Din, M Gamal·2003·Journal of Environmental Engineering and Science

Abstract

Landfill leachate is a complex wastewater generated when the moisture content or the water content of the landfilled solid waste is larger than its field capacity. The major fraction of old or biologically treated landfill leachate is large recalcitrant organic molecules that are not easily removed during biological treatment. Advanced oxidation using ozone (O 3), ozone with hydrogen peroxide (O 3/H 2 O 2), ozone with ultraviolet light (O 3/UV), hydrogen peroxide with ultraviolet light (H 2 O 2/UV), Fenton process (H 2 O 2/Fe 2+), and photo-Fenton process (H 2 O 2/Fe 2+/UV) for the treatment of old or biologically treated landfill leachate has been intensively studied in the past decade to improve the removal of these large recalcitrant organic molecules or to transform them into more easily biodegradable substances. The characteristics of landfill leachate and the mechanisms of O 3, O 3/H 2 O 2, O 3/UV, H 2 O 2/UV, H 2 O 2/Fe 2+, and H 2 O 2/Fe 2+/UV oxidation processes and their applications for landfill leachate treatment are reviewed in this paper. In addition, the influences of ammonia nitrogen (NH 3-N), pH, and alkalinity on the advanced oxidation processes applied for treating landfill leachates as well as the methods for the removal of the oxidants residues are also discussed in this paper. Key words: landfill leachate, ozone, hydrogen peroxide, UV, Fenton processes, photo-Fenton processes, refractory organics.

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Metadata

Authors
Wang, F., Smith, D. W., & El-Din, M. G.
Venue
Journal of Environmental Engineering and Science
Publisher
Emerald
Published
2003-11-01
Volume
2
Issue
6
Pages
413-427
ISSN
  • 1496-2551 (ISSN-L)
  • 1496-256X
OpenAlex
W1992818796
Cited by
168
References
1
FWCI
4.46
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Application of advanced oxidation methods for landfill leachate treatment – A review. https://app.cochat.ai/papers/10.1139/s03-058
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Wang, F., Smith, D. W., & El-Din, M. G. (2003). Application of advanced oxidation methods for landfill leachate treatment – A review. Journal of Environmental Engineering and Science. https://doi.org/10.1139/s03-058

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