Related publications (8)

Chlorination of amides: Kinetics and mechanisms of formation of N-chloramides and their reactions with phenolic compounds

Urs von Gunten, Tianqi Zhang

Amides are common constituents in natural organic matter and synthetic chemicals. In this study, we investi-gated kinetics and mechanisms of the reactions of chlorine with seven amides, including acetamide, N-meth-ylformamide, N-methylacetamide, benzamide, ...
2023

Formation and reactivity of inorganic and organic chloramines and bromamines during oxidative water treatment

Urs von Gunten, Jeremy Samuel Arey, Daniela Trogolo, Michèle Bernadette Heeb

The formation and further reactions of halamines during oxidative water treatment can be relevant for water quality. In this study, we investigated the formation and reactivity of several inorganic and organic halamines (monochloramine, N-chloromethylamine ...
Elsevier2017

The Role of Bromide in Oxidative Water Treatment

Michèle Bernadette Heeb

Bromide (Br-) levels in fresh waters range from a few ¿gL-1 to several mgL-1. In seawater its concentration is about 67 mgL-1. The goal of this thesis is to assess the fate of bromide during oxidative water treatment and to explore its influence on these t ...
EPFL2016

Trichloramine reactions with nitrogenous and carbonaceous compounds: Kinetics, products and chloroform formation

Urs von Gunten, Silvio Canonica

Trichloramine is a hazardous disinfection by-product that is of particular relevance in indoor swimming pools. To better understand its fate in pool waters, apparent second order rate constants (kapp) at pH 7 for its reaction with several model compounds w ...
Elsevier2015

Photolysis of inorganic chloramines and efficiency of trichloramine abatement by UV treatment of swimming pool water

Urs von Gunten, Silvio Canonica

Trichloramine, one of the three inorganic chloramines (mono-, di- and trichloramine), is a problematic disinfection by-product in recreational pool water since it causes skin and eye irritations as well as irritations of the respiratory tract. The most com ...
Elsevier2014

Interactions of fluoroquinolone antibacterial agents with aqueous chlorine: Reaction kinetics, mechanisms, and transformation pathways

Urs von Gunten

Kinetics, products, and mechanistic aspects of reactions between free available chlorine (HOCI/OCI-), ciprofloxacin (CF), and enrofloxacin (EF) were extensively investigated to elucidate the behavior of fluoroquinolone antibacterial agents during water chl ...
2005

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