Article ; Online: Unintended Consequences of Air Cleaning Chemistry.
Environmental science & technology
2021 Volume 55, Issue 18, Page(s) 12172–12179
Abstract: Amplified interest in maintaining clean indoor air associated with the airborne transmission risks of SARS-CoV-2 have led to an expansion in the market for commercially available air cleaning systems. While the optimal way to mitigate indoor air ... ...
Abstract | Amplified interest in maintaining clean indoor air associated with the airborne transmission risks of SARS-CoV-2 have led to an expansion in the market for commercially available air cleaning systems. While the optimal way to mitigate indoor air pollutants or contaminants is to control (remove) the source, air cleaners are a tool for use when absolute source control is not possible. Interventions for indoor air quality management include physical removal of pollutants through ventilation or collection on filters and sorbent materials, along with chemically reactive processes that transform pollutants or seek to deactivate biological entities. This perspective intends to highlight the perhaps unintended consequences of various air cleaning approaches via indoor air chemistry. Introduction of new chemical agents or reactive processes can initiate complex chemistry that results in the release of reactive intermediates and/or byproducts into the indoor environment. Since air cleaning systems are often continuously running to maximize their effectiveness and most people spend a vast majority of their time indoors, human exposure to both primary and secondary products from air cleaners may represent significant exposure risk. This |
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MeSH term(s) | Air Pollutants/analysis ; Air Pollution, Indoor/analysis ; COVID-19 ; Humans ; SARS-CoV-2 ; Ventilation |
Chemical Substances | Air Pollutants |
Language | English |
Publishing date | 2021-08-31 |
Publishing country | United States |
Document type | Journal Article ; Research Support, Non-U.S. Gov't |
ISSN | 1520-5851 |
ISSN (online) | 1520-5851 |
DOI | 10.1021/acs.est.1c02582 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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