Disinfection by-products formation during wastewater disinfection with peracetic acid

Peracetic acid (PAA) is gaining increased acceptance among chlorine-alternative chemical disinfectants claiming that only harmless disinfection by-products (DBPs) have been identified so far, most of them arising from its spontaneous decomposition. A pilot study has been undertaken, using a 10m 3/h...

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Veröffentlicht in:Desalination 2007-09, Vol.215 (1), p.177-186
Hauptverfasser: Dell'Erba, Adele, Falsanisi, Dario, Liberti, Lorenzo, Notarnicola, Michele, Santoro, Domenico
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container_end_page 186
container_issue 1
container_start_page 177
container_title Desalination
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creator Dell'Erba, Adele
Falsanisi, Dario
Liberti, Lorenzo
Notarnicola, Michele
Santoro, Domenico
description Peracetic acid (PAA) is gaining increased acceptance among chlorine-alternative chemical disinfectants claiming that only harmless disinfection by-products (DBPs) have been identified so far, most of them arising from its spontaneous decomposition. A pilot study has been undertaken, using a 10m 3/h pilot plant fed by municipal secondary settled effluent, in order to assess possible formation of unhealthy DBPs following its use, namely aldehydes and halogenated phenols. Negligible amount of both DBP classes was found in the experimental conditions investigated. Additionally, halogenating phenol reaction products and aldehydes formation were evaluated by carrying out a laboratory set of model reactions permitting to draw some light on mechanism of potential formation of aldehydes and brominated phenols.
doi_str_mv 10.1016/j.desal.2006.08.021
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source ScienceDirect Journals (5 years ago - present)
subjects Aldehydes
Applied sciences
Bromophenols
Disinfection by-products
Exact sciences and technology
General purification processes
Peracetic acid
Pollution
Wastewater treatment
Wastewaters
Water treatment and pollution
title Disinfection by-products formation during wastewater disinfection with peracetic acid
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