Publication
Ozone concentration measured during the Arctic Ocean 2018 expedition
Publications associées (54)
Regional levels of ozone in the troposphere over eastern Mediterranean
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[1] During the last 5 years, information on the regional tropospheric ozone levels over the eastern Mediterranean has become available but was confined to measurements at ground level. Here available information is expanded with measurements at two more ru ...
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Hubert van den Bergh, Bertrand Calpini, Valentin Simeonov, Alain Clappier, Ioan Balin, Olivier Couach, Pablo Roberto Ristori
The Grenoble metropolitan area located in the French Alps with more than 400 thousand inhabitants suffers from periods of high ozone (O3) concentrations in summertime. Grenoble is moreover located in the Y shaped convergence of three deep valleys with surr ...
2002Oxidation of metal-diethylenetriamine-pentaacetate (DTPA) - Complexes during drinking water ozonation
This study investigates the oxidative transformation of diethylenetriaminepentaacetate (DTPA). a synthetic ligand. during drinking water ozonation. The rate coefficients for the reactions of CaDTPA(3-) and ZnDTPA(3-) with ozone were determined to be 6200 a ...
2001Estimation of the total VOC reactivity with OH by pump-and-probe OH lidar to determine a new indicator for ozone production
Many of our most severe problems of environmental pollution involve the Earth's atmosphere. The adverse effects of atmospheric pollution are particularly evident in the low troposphere, especially in urban/suburban areas where many sources contribute to th ...
EPFL2000Hydroxyl radical/ozone ratios during ozonation processes. II. The effect of temperature, pH, alkalinity, and DOM properties
The influence of temperature, pH, alkalinity, and type and concentration of the dissolved organic matter (DOM) on the rate of ozone (O-3) decomposition, O-3-exposure, . OH-exposure and the ratio R-ct of the concentrations of . OH and O-3 has been studied. ...
2000Influence of carbonate on the ozone/hydrogen peroxide based advanced oxidation process for drinking water treatment
The influence of carbonate on the ozone/hydrogen peroxide process has been investigated. Carbonate radicals, which are formed from the reaction of bicarbonate/carbonate with OH radicals, act as a chain carrier for ozone decomposition due to their reaction ...
2000Hydroxyl radical ozone ratios during ozonation processes. I-The R-ct concept
The ozonation of model systems and several natural waters was examined in bench-scale batch experiments. In addition to measuring the concentration of ozone (O-3), the rate of depletion of an in situ hydroxyl radical probe compound was monitored, thus prov ...
1999