Olive mill wastewater degradation by Fenton oxidation with zero-valent iron and hydrogen peroxide

The degradation of olive mill wastewater (OMW) with hydroxyl radicals generated from zero-valent iron and hydrogen peroxide has been investigated by means of chemical oxygen demand (COD) and phenolic compounds analyses. The effects of the H2O2 dose, the pH and the organic matter concentration have b...

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Veröffentlicht in:Journal of hazardous materials 2009-04, Vol.163 (2), p.550-554
Hauptverfasser: Kallel, Monem, Belaid, Chokri, Boussahel, Rachdi, Ksibi, Mohamed, Montiel, Antoine, Elleuch, Boubaker
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container_end_page 554
container_issue 2
container_start_page 550
container_title Journal of hazardous materials
container_volume 163
creator Kallel, Monem
Belaid, Chokri
Boussahel, Rachdi
Ksibi, Mohamed
Montiel, Antoine
Elleuch, Boubaker
description The degradation of olive mill wastewater (OMW) with hydroxyl radicals generated from zero-valent iron and hydrogen peroxide has been investigated by means of chemical oxygen demand (COD) and phenolic compounds analyses. The effects of the H2O2 dose, the pH and the organic matter concentration have been studied. The optimal experimental conditions were found to have continuous presence of iron metal, acid pH (2.0–4.0), and relatively concentrated hydrogen peroxide (9.5 M). Coloration of OMW disappeared and phenolic compound decreased to 50% of initial concentration after 3 h reaction time. The application of zero-valent Fe/H2O2 procedure permitted high removal efficiencies of pollutants from olive mill wastewater. The results show that zero-valent Fe/H2O2 could be considered as an effective alternative solution for the treatment of OMW or may be combined with a classical biological process to achieve high quality of effluent water.
doi_str_mv 10.1016/j.jhazmat.2008.07.006
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source MEDLINE; Elsevier ScienceDirect Journals
subjects Applied sciences
Biological and medical sciences
Chemical engineering
Exact sciences and technology
Fenton reaction
Food engineering
Food industries
Food-Processing Industry
Fundamental and applied biological sciences. Psychology
General aspects
General purification processes
Hydrogen Peroxide
Hydroxyl Radical
Industrial Waste
Iron
Olea
Olive mill wastewater
Oxidation-Reduction
Pollution
Reactors
Wastewater decontamination
Wastewaters
Water Pollutants, Chemical - isolation & purification
Water Purification - methods
Water treatment and pollution
Zero-valent iron
title Olive mill wastewater degradation by Fenton oxidation with zero-valent iron and hydrogen peroxide
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