Publications related to Montreal Protocol

Enhanced mineralization of atrazine by surface induced hydroxyl radicals over light-weight granular mixed-quartz sands with ozone

Stefanos Giannakis, Jun Ma, Da Wang, Shuang Song

A light-weight granular mixed-quartz sand (denoted as L-GQS) combined with stirring-assisted bubble column reactor was firstly applied in catalytic ozonation of atrazine. The L-GQS, with a density of 2.36 g cm(-3) and average diameter of ca. of 4 mm, was r ...

PERGAMON-ELSEVIER SCIENCE LTD2019

Trends of surface maximum ozone concentrations in Switzerland based on meteorological adjustment for the period 1990-2014

Satoshi Takahama, Eirini Boleti, Christoph Hueglin

We investigate the temporal trends of peak ozone in Switzerland for the 1990-2014 time period. The meteorological conditions have a large influence on ozone formation and drive a large part of the variability in ozone observations. Therefore, the influence ...

PERGAMON-ELSEVIER SCIENCE LTD2019

One-step access to N-enoxyimides by gold-catalysed addition of N-hydroxyimides to terminal alkynes

Nicolai Cramer, Coralie Danielle Annick Duchemin

N-Enoxyimides have become attractive substrates for novel catalytic transformations, yet their tedious multi-step synthesis hampers full exploitation of their synthetic potential. We report a gold(I)-catalyzed protocol to access N-enoxyimides from simple a ...

2019

Proxies to monitor the inactivation of viruses by ozone in surface water and wastewater effluent

Urs von Gunten, Tamar Kohn, Camille Wolf, Annalisa Pavese

Ozone treatment is an effective barrier against viral pathogens, therefore it is an integral part of many water and wastewater treatment trains. However, the efficacy of ozone treatment remains difficult to monitor, due to the lack of methods to track viru ...

2019

Kinetics of inactivation of waterborne enteric viruses by ozone

Urs von Gunten, Tamar Kohn, Camille Wolf

Ozone is an effective disinfectant against all types of waterborne pathogens. However, accurate and quantitative kinetic data regarding virus inactivation by ozone is scarce, due to the experimental challenges associated with the high reactivity of ozone t ...

2018

Effect of operational and water quality parameters on conventional ozonation and the advanced oxidation process O-3/H2O2: Kinetics of micropollutant abatement, transformation product and bromate formation in a surface water

Urs von Gunten, Juliane Hollender

The efficiency of ozone-based processes under various conditions was studied for the treatment of a surface water (Lake Zurich water, Switzerland) spiked with 19 micropollutants (pharmaceuticals, pesticides, industrial chemical, X-ray contrast medium, swee ...

Elsevier2017

Comparison of methylisoborneol and geosmin abatement in surface water by conventional ozonation and an electro-peroxone process

Urs von Gunten, Gang Yu, Yan Wang, Chao Chen

In this study methylisoborneol (MIB) and geosmin abatement in a surface water by conventional ozonation and the electro-peroxone (E-peroxone) process was compared. Batch tests with addition of ozone (03) stock solutions and semi-batch tests with continuous ...

Elsevier2017

Modeling regional air quality and climate: Improving organic aerosol and aerosol activation processes in WRF/Chem version 3.7.1

Athanasios Nenes, Yi Zhang

Air quality and climate influence each other through the uncertain processes of aerosol formation and cloud droplet activation. In this study, both processes are improved in the Weather, Research and Forecasting model with Chemistry (WRF/Chem) version 3.7. ...

Copernicus GmbH2017

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Montreal Protocol

Enhanced mineralization of atrazine by surface induced hydroxyl radicals over light-weight granular mixed-quartz sands with ozone

Trends of surface maximum ozone concentrations in Switzerland based on meteorological adjustment for the period 1990-2014

One-step access to N-enoxyimides by gold-catalysed addition of N-hydroxyimides to terminal alkynes

Proxies to monitor the inactivation of viruses by ozone in surface water and wastewater effluent

Kinetics of inactivation of waterborne enteric viruses by ozone

Effect of operational and water quality parameters on conventional ozonation and the advanced oxidation process O-3/H2O2: Kinetics of micropollutant abatement, transformation product and bromate formation in a surface water

The effects of ozone depletion, increased greenhouse gas emissions, and increased aerosols on precipitation in High-Mountain Asia

Comparison of methylisoborneol and geosmin abatement in surface water by conventional ozonation and an electro-peroxone process

Modeling regional air quality and climate: Improving organic aerosol and aerosol activation processes in WRF/Chem version 3.7.1

MEMBRO3X, a Novel Combination of a Membrane Contactor with Advanced Oxidation (O-3/H2O2) for Simultaneous Micropollutant Abatement and Bromate Minimization

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Effect of operational and water quality parameters on conventional ozonation and the advanced oxidation process O-3/H2O2: Kinetics of micropollutant abatement, transformation product and bromate formation in a surface water

Comparison of methylisoborneol and geosmin abatement in surface water by conventional ozonation and an electro-peroxone process

Proxies to monitor the inactivation of viruses by ozone in surface water and wastewater effluent

Kinetics of inactivation of waterborne enteric viruses by ozone

MEMBRO3X, a Novel Combination of a Membrane Contactor with Advanced Oxidation (O-3/H2O2) for Simultaneous Micropollutant Abatement and Bromate Minimization

Enhanced mineralization of atrazine by surface induced hydroxyl radicals over light-weight granular mixed-quartz sands with ozone

Trends of surface maximum ozone concentrations in Switzerland based on meteorological adjustment for the period 1990-2014

The effects of ozone depletion, increased greenhouse gas emissions, and increased aerosols on precipitation in High-Mountain Asia

Modeling regional air quality and climate: Improving organic aerosol and aerosol activation processes in WRF/Chem version 3.7.1

One-step access to N-enoxyimides by gold-catalysed addition of N-hydroxyimides to terminal alkynes