Effective and Green Removal of Trichloroacetic Acid from Disinfected Water

Effective and Green Removal of Trichloroacetic Acid from Disinfected Water

An innovative catalyst is reported for removing suspect carcinogen trichloroacetic acid (TCA) found in water after chlorination. SilverSil, a methyl-modified silica xerogel doped with Ag nanoparticles, shows remarkably high and stable activity as heterogeneous catalyst for the reductive dehalogenati...

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Main Authors: Keren Trabelsi, Michael Meistelman, Rosaria Ciriminna, Yael Albo, Mario Pagliaro
Format: Article
Language:English
Published: MDPI AG 2020-02-01
Series:Materials
Subjects:
halogenated by-products
drinking water
trichloroacetic acid
environmental catalysis
Online Access:https://www.mdpi.com/1996-1944/13/4/827
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spelling doaj-ceafcede2a6a4d58accda549ed424f782020-11-25T01:42:27ZengMDPI AGMaterials1996-19442020-02-0113482710.3390/ma13040827ma13040827Effective and Green Removal of Trichloroacetic Acid from Disinfected WaterKeren Trabelsi0Michael Meistelman1Rosaria Ciriminna2Yael Albo3Mario Pagliaro4Department Chemical Engineering, The Center for Radical Reactions, Ariel University, Ariel 40700, IsraelDepartment Chemical Engineering, The Center for Radical Reactions, Ariel University, Ariel 40700, IsraelIstituto per lo Studio dei Materiali Nanostrutturati, CNR, 90146 Palermo, ItalyDepartment Chemical Engineering, The Center for Radical Reactions, Ariel University, Ariel 40700, IsraelIstituto per lo Studio dei Materiali Nanostrutturati, CNR, 90146 Palermo, ItalyAn innovative catalyst is reported for removing suspect carcinogen trichloroacetic acid (TCA) found in water after chlorination. SilverSil, a methyl-modified silica xerogel doped with Ag nanoparticles, shows remarkably high and stable activity as heterogeneous catalyst for the reductive dehalogenation of TCA with NaBH<sub>4</sub> as reducing agent. Chloroacetic acid and acetic acid are the main products of the highly reproducible reductive dehalogenation. The low cost, high stability and ease of application of the SilverSil sol-gel catalyst to continuous processes open the route to the industrial uptake of SilverSil to free chlorinated waters from a probable human carcinogenic agent exerting significant genotoxic and cytotoxic effects.https://www.mdpi.com/1996-1944/13/4/827halogenated by-productsdrinking watertrichloroacetic acidenvironmental catalysis
collection DOAJ
language English
format Article
sources DOAJ
author Keren Trabelsi
Michael Meistelman
Rosaria Ciriminna
Yael Albo
Mario Pagliaro
spellingShingle Keren Trabelsi
Michael Meistelman
Rosaria Ciriminna
Yael Albo
Mario Pagliaro
Effective and Green Removal of Trichloroacetic Acid from Disinfected Water
Materials
halogenated by-products
drinking water
trichloroacetic acid
environmental catalysis
author_facet Keren Trabelsi
Michael Meistelman
Rosaria Ciriminna
Yael Albo
Mario Pagliaro
author_sort Keren Trabelsi
title Effective and Green Removal of Trichloroacetic Acid from Disinfected Water
title_short Effective and Green Removal of Trichloroacetic Acid from Disinfected Water
title_full Effective and Green Removal of Trichloroacetic Acid from Disinfected Water
title_fullStr Effective and Green Removal of Trichloroacetic Acid from Disinfected Water
title_full_unstemmed Effective and Green Removal of Trichloroacetic Acid from Disinfected Water
title_sort effective and green removal of trichloroacetic acid from disinfected water
publisher MDPI AG
series Materials
issn 1996-1944
publishDate 2020-02-01
description An innovative catalyst is reported for removing suspect carcinogen trichloroacetic acid (TCA) found in water after chlorination. SilverSil, a methyl-modified silica xerogel doped with Ag nanoparticles, shows remarkably high and stable activity as heterogeneous catalyst for the reductive dehalogenation of TCA with NaBH<sub>4</sub> as reducing agent. Chloroacetic acid and acetic acid are the main products of the highly reproducible reductive dehalogenation. The low cost, high stability and ease of application of the SilverSil sol-gel catalyst to continuous processes open the route to the industrial uptake of SilverSil to free chlorinated waters from a probable human carcinogenic agent exerting significant genotoxic and cytotoxic effects.
topic halogenated by-products
drinking water
trichloroacetic acid
environmental catalysis
url https://www.mdpi.com/1996-1944/13/4/827
work_keys_str_mv AT kerentrabelsi effectiveandgreenremovaloftrichloroaceticacidfromdisinfectedwater
AT michaelmeistelman effectiveandgreenremovaloftrichloroaceticacidfromdisinfectedwater
AT rosariaciriminna effectiveandgreenremovaloftrichloroaceticacidfromdisinfectedwater
AT yaelalbo effectiveandgreenremovaloftrichloroaceticacidfromdisinfectedwater
AT mariopagliaro effectiveandgreenremovaloftrichloroaceticacidfromdisinfectedwater
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