Treatment of Municipal Wastewater Treatment Plant Effluents with Modified Photo-Fenton As a Tertiary Treatment for the Degradation of Micro Pollutants and Disinfection

The goal of this paper was to develop a modified photo-Fenton treatment able to degrade micro pollutants in municipal wastewater treatment plant (MWTP) effluents at a neutral pH with minimal iron and H2O2 concentrations. Complexation of Fe by ethylenediamine-N,N′-disuccinic acid (EDDS) leads to stab...

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Published in:Environmental science & technology 2012-03, Vol.46 (5), p.2885-2892
Main Authors: Klamerth, Nikolaus, Malato, Sixto, Agüera, Ana, Fernández-Alba, Amadeo, Mailhot, Gilles
Format: Article
Language:English
Subjects:
Applied sciences
Bacteria - growth & development
Bicarbonates - chemistry
Biodegradation
Chemical contaminants
Chromatography, Liquid
Cities
Colony Count, Microbial
Disinfection & disinfectants
Disinfection - methods
Effluents
Environmental Restoration and Remediation
Ethylenediamines - chemistry
Exact sciences and technology
Hydrogen Peroxide - chemistry
Iron - chemistry
Mass Spectrometry
Other wastewaters
Pollutants
Pollution
Spain
Succinates - chemistry
Sunlight
Waste Disposal, Fluid
Wastewaters
Water Pollutants, Chemical - isolation & purification
Water Purification - methods
Water treatment
Water treatment and pollution
Water treatment plants
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creator Klamerth, Nikolaus
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description The goal of this paper was to develop a modified photo-Fenton treatment able to degrade micro pollutants in municipal wastewater treatment plant (MWTP) effluents at a neutral pH with minimal iron and H2O2 concentrations. Complexation of Fe by ethylenediamine-N,N′-disuccinic acid (EDDS) leads to stabilization and solubilization of Fe at natural pH. Photo-Fenton experiments were performed in a pilot compound parabolic collector (CPC) solar plant. Samples were treated with solid phase extraction (SPE) and analyzed by HPLC-Qtrap-MS. The rapid degradation of contaminants within the first minutes of illumination and the low detrimental impact on degradation of bicarbonates present in the water suggested that radical species other than HO• are responsible for the efficiency of such photo-Fenton process. Disinfection of MWTP effluents by the same process showed promising results, although disinfection was not complete.
doi_str_mv 10.1021/es204112d
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source American Chemical Society:Jisc Collections:American Chemical Society Read & Publish Agreement 2022-2024 (Reading list)
subjects Applied sciences
Bacteria - growth & development
Bicarbonates - chemistry
Biodegradation
Chemical contaminants
Chromatography, Liquid
Cities
Colony Count, Microbial
Disinfection & disinfectants
Disinfection - methods
Effluents
Environmental Restoration and Remediation
Ethylenediamines - chemistry
Exact sciences and technology
Hydrogen Peroxide - chemistry
Iron - chemistry
Mass Spectrometry
Other wastewaters
Pollutants
Pollution
Spain
Succinates - chemistry
Sunlight
Waste Disposal, Fluid
Wastewaters
Water Pollutants, Chemical - isolation & purification
Water Purification - methods
Water treatment
Water treatment and pollution
Water treatment plants
title Treatment of Municipal Wastewater Treatment Plant Effluents with Modified Photo-Fenton As a Tertiary Treatment for the Degradation of Micro Pollutants and Disinfection
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