Themed collection International Day for the Preservation of the Ozone Layer
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Byproduct formation in heterogeneous catalytic ozonation processes
Heterogeneous catalytic ozonation (HCO) is a promising advanced oxidation process (AOP) that can effectively degrade recalcitrant organic pollutants; but formation of harmful byproducts should be carefully evaluated.
Environ. Sci.: Adv., 2023,2, 558-569
https://doi.org/10.1039/D2VA00216G
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Human skin oil: a major ozone reactant indoors
Much of the ozone that enters buildings reacts with human skin oils, both on occupants and on other surfaces. Products of these reactions influence human chemical exposures.
Environ. Sci.: Atmos., 2023,3, 640-661
https://doi.org/10.1039/D3EA00008G
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The chemical assessment of surfaces and air (CASA) study: using chemical and physical perturbations in a test house to investigate indoor processes
The Chemical Assessment of Surfaces and Air (CASA) study investigated how chemicals transform in the indoor environment using perturbations (e.g., cooking, cleaning) and additions of indoor and outdoor pollutants in a test house.
Environ. Sci.: Processes Impacts, 2024, Advance Article
https://doi.org/10.1039/D4EM00209A
Ozone generation and chemistry from 222 nm germicidal ultraviolet light in a fragrant restroom
Devices using 222 nm germicidal ultraviolet light (GUV222) have been marketed to reduce virus transmission indoors. However, GUV222 generates ozone which can react with gases and surfaces to create undesirable air byproducts.
Environ. Sci.: Processes Impacts, 2024,26, 1090-1106
https://doi.org/10.1039/D4EM00144C
Unrecognized volatile and semi-volatile organic compounds from brake wear
This study shows that volatile and semi-volatile organic gases are emitted during light and heavy braking. These emissions will remain as we transition to zero exhaust emission vehicles and must be included in air pollution and climate assessments.
Environ. Sci.: Processes Impacts, 2024,26, 928-941
https://doi.org/10.1039/D4EM00024B
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Quantifying drought-driven temperature impacts on ozone disinfection credit and bromate control
Climate change and drought can lead to unprecedented changes in surface water temperature requiring utilities to examine their ozone system's disinfection capability while minimizing bromate production.
Environ. Sci.: Water Res. Technol., 2024,10, 1195-1207
https://doi.org/10.1039/D4EW00042K
The role of liver enzymes in the association between ozone exposure and diabetes risk: a cross-sectional study of Zhuang adults in China
The role of liver enzymes in the association between ozone exposure and diabetes risk.
Environ. Sci.: Processes Impacts, 2024,26, 765-777
https://doi.org/10.1039/D3EM00463E
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Performance of machine learning for ozone modeling in Southern California during the COVID-19 shutdown
We combine machine learning (ML) and geospatial interpolations to create two-dimensional high-resolution ozone concentration fields over the South Coast Air Basin for the entire year of 2020.
Environ. Sci.: Atmos., 2024,4, 488-500
https://doi.org/10.1039/D3EA00159H
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Improving model representation of rapid ozone deposition over soil in the central Tibetan Plateau
Ozone deposition velocity with a daily mean of 0.49 cm s−1 was observed in the Tibetan Plateau and rationalized by local meteorological and soil conditions. Our research suggested widespread ozone deposition velocity over soil of 0.1–0.7 cm s−1.
Environ. Sci.: Atmos., 2024,4, 252-264
https://doi.org/10.1039/D3EA00153A
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Enhanced summertime PM2.5-suppression of O3 formation over the Eastern U.S. following the O3-sensitivity variations
The PM2.5 suppression effect on tropospheric ozone production increased following the shift of the O3-sentivity towards more NOx-limited regimes, highlighting the potential utility of this effect for informing air pollution controls.
Environ. Sci.: Atmos., 2024,4, 73-79
https://doi.org/10.1039/D3EA00040K
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The association of air quality and complex atmospheric oxidation chemistry in the dispersion and deposition of SARS-CoV-2-laden aerosols
This dispersion of infectious aerosols is moderated largely by air pollution. The possible role of O3 on the dispersion of SARS-CoV-2 aerosols is emphasized.
Environ. Sci.: Adv., 2023,2, 1540-1553
https://doi.org/10.1039/D3VA00016H
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A measurement and modelling investigation of the indoor air chemistry following cooking activities
Volatile organic compounds (VOCs) emitted during cooking affect indoor air quality. Here, experiments and simulations were carried out to determine VOC emission rates and the factors driving the formation of harmful products via secondary chemistry.
Environ. Sci.: Processes Impacts, 2023,25, 1532-1548
https://doi.org/10.1039/D3EM00167A
Mechanism of catalytic ozonation in different surface acid sites of oxide aqueous suspensions
Proposed mechanism of catalytic ozonation in different surface acid sites of oxide aqueous suspensions.
Environ. Sci.: Nano, 2023,10, 2312-2323
https://doi.org/10.1039/D3EN00331K
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Evaluating reduced-form modeling tools for simulating ozone and PM2.5 monetized health impacts
Reduced-form modeling approaches are an increasingly popular way to rapidly estimate air quality and human health impacts related to changes in air pollutant emissions.
Environ. Sci.: Atmos., 2023,3, 1306-1318
https://doi.org/10.1039/D3EA00092C
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Emerging investigator series: a machine learning approach to quantify the impact of meteorology on tropospheric ozone in the inland southern California
The role of meteorology in facilitating the formation and accumulation of ground-level ozone is of great theoretical and practical interest, especially due to emissions shifts and changing global climate.
Environ. Sci.: Atmos., 2023,3, 1159-1173
https://doi.org/10.1039/D2EA00077F
Synergistic effect of exposed facets and surface defects of ZnO nanomaterials for photocatalytic ozonation of organic pollutants
The exposed facets and surface defects of ZnO significantly influenced the production of reactive oxidation species in the photocatalytic ozonation process.
Environ. Sci.: Nano, 2023,10, 1897-1906
https://doi.org/10.1039/D3EN00235G
Comparison of nitrate formation mechanisms from free amino acids and amines during ozonation: a computational study
Comparison of nitrate formation mechanisms from free amino acids and amines during ozonation was made using quantum chemical calculations.
Environ. Sci.: Processes Impacts, 2023,25, 680-693
https://doi.org/10.1039/D2EM00501H
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Observations of coastal dynamics during lake breeze at a shoreline impacted by high ozone
Understanding the role of lake breeze in vertical ozone profiles using unmanned aerial systems at a shoreline location. Vertical profiles show gradients in ozone with higher ozone in areas of steep temperature inversion.
Environ. Sci.: Atmos., 2023,3, 494-505
https://doi.org/10.1039/D2EA00101B
GC-HRMS analysis to evaluate the effectiveness of ozone disinfection in the removal of micropollutants from wastewater
The objective of this study was to apply targeted and untargeted screening analyses to perform a deep assessment of micropollutant removal during wastewater disinfection by ozonation.
Environ. Sci.: Water Res. Technol., 2023,9, 922-934
https://doi.org/10.1039/D2EW00879C
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Exploring condensable organic vapors and their co-occurrence with PM2.5 and O3 in winter in Eastern China
The strongest formation of oxygenated organic molecules occurs when PM2.5 and O3 are co-enhanced.
Environ. Sci.: Atmos., 2023,3, 282-297
https://doi.org/10.1039/D2EA00143H
About this collection
The 16th September marks the UN International Day for the Preservation of the Ozone Layer. This day celebrates the achievements of the Montreal Protocol on ozone layer recovery and reducing climate change.
This collection of articles from the Royal Society of Chemistry’s Environmental Science journals highlights the latest research on ozone, related to its formation and chemistry, pollution and human health impacts, monitoring and analysis, and environmental remediation.
Find out more about the Environmental Science journals here: https://rsc.li/envsci