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Open AccessFeature PaperArticle

Effective and Green Removal of Trichloroacetic Acid from Disinfected Water

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Department Chemical Engineering, The Center for Radical Reactions, Ariel University, Ariel 40700, Israel
2
Istituto per lo Studio dei Materiali Nanostrutturati, CNR, 90146 Palermo, Italy
*
Authors to whom correspondence should be addressed.
Materials 2020, 13(4), 827; https://doi.org/10.3390/ma13040827
Received: 21 December 2019 / Revised: 7 February 2020 / Accepted: 10 February 2020 / Published: 12 February 2020
(This article belongs to the Special Issue Green Synthesis and Transformation in Material Science)
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 NaBH4 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. View Full-Text
Keywords: halogenated by-products; drinking water; trichloroacetic acid; environmental catalysis halogenated by-products; drinking water; trichloroacetic acid; environmental catalysis
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MDPI and ACS Style

Trabelsi, K.; Meistelman, M.; Ciriminna, R.; Albo, Y.; Pagliaro, M. Effective and Green Removal of Trichloroacetic Acid from Disinfected Water. Materials 2020, 13, 827.

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