Publication

Chlorothalonil transformation products in drinking water resources: Widespread and challenging to abate

Related publications (56)

Implications of sequential use of UV and ozone for drinking water quality

Urs von Gunten, Silvio Canonica

The formation of bromate levels exceeding the drinking water standard of 10 mu g L-1 may impose the reduction of ozone doses used in the treatment of drinking water. This paper illustrates the procedure of evaluating the use of reduced ozone doses while im ...
2006

Solar disinfection of water by photocatalytic processes

Chlorine, widely used as a disinfectant for drinking water production, is known to interact with organic matter to yield disinfection by-products (DBPs). Some of these compounds, as the trihalomethanes, are highly toxic for human health. Alternative disinf ...
EPFL2005

Field solar E-coli inactivation in the absence and presence of TiO2: is UV solar dose an appropriate parameter for standardization of water solar disinfection?

César Pulgarin

Evaluation of solar treatment in the absence and presence of TiO2 has been made to assess its effectiveness in reducing bacterial load with respect to drinking water standards. Field experiments under direct solar radiation were carried out using a compoun ...
2004

Oxidation of pharmaceuticals during ozonation and advanced oxidation processes

Urs von Gunten, Silvio Canonica

This study investigates the oxidation of pharmaceuticals during conventional ozonation and advanced oxidation processes (AOPs) applied in drinking water treatment. In a first step, second-order rate constants for the reactions of selected pharmaceuticals w ...
2003

MTBE oxidation by conventional ozonation and the combination ozone/hydrogen peroxide: Efficiency of the processes and bromate formation

Urs von Gunten

The present study investigates the oxidation of methyl tert-butyl ether (MTBE) by conventional ozonation and the advanced oxidation process (AOP) ozone/hydrogen peroxide under drinking water treatment conditions. The major degradation products identified w ...
2001

Reverse osmosis and ultrafiltration of sweet whey

Urs von Stockar

Methodol. equipment design, and cost ests. are given for the ultrafiltration and reverse osmosis of sweet whey. Calcns. showed that optimum results are obtained when the whey is concd. to 18% solids at the site of whey prodn., and then shipping the conc. t ...
1987

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