Morphology, composition and mixing state of individual airborne particles: effects of the 2017 Action Plan in Beijing, China

Beijing is one of the most important Chinese megacities with extremely serious air pollution problems and human health impacts. In response to the air pollution the central and municipal governments of China have implemented a series of actions; one of which is the “Action Plan for Comprehensive Pre...

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Autores:
Shao, Longyi
Li, Jie
Zhang, Mengyuan
Wang, Xinming
Li, Yaowei
Jones, Tim
Feng, Xiaolei
Silva Oliveira, Luis Felipe
Li, Wenjun
Tipo de recurso:
http://purl.org/coar/resource_type/c_816b
Fecha de publicación:
2021
Institución:
Corporación Universidad de la Costa
Repositorio:
REDICUC - Repositorio CUC
Idioma:
eng
OAI Identifier:
oai:repositorio.cuc.edu.co:11323/8997
Acceso en línea:
https://hdl.handle.net/11323/8997
https://doi.org/10.1016/j.jclepro.2021.129748
https://repositorio.cuc.edu.co/
Palabra clave:
Individual particle análisis
The action plan
TEM-EDX
Vehicle emisión
Secondary reaction
Rights
openAccess
License
CC0 1.0 Universal
id RCUC2_6678a4604c582e0fc8e9c858276ca0a3
oai_identifier_str oai:repositorio.cuc.edu.co:11323/8997
network_acronym_str RCUC2
network_name_str REDICUC - Repositorio CUC
repository_id_str
dc.title.spa.fl_str_mv Morphology, composition and mixing state of individual airborne particles: effects of the 2017 Action Plan in Beijing, China
title Morphology, composition and mixing state of individual airborne particles: effects of the 2017 Action Plan in Beijing, China
spellingShingle Morphology, composition and mixing state of individual airborne particles: effects of the 2017 Action Plan in Beijing, China
Individual particle análisis
The action plan
TEM-EDX
Vehicle emisión
Secondary reaction
title_short Morphology, composition and mixing state of individual airborne particles: effects of the 2017 Action Plan in Beijing, China
title_full Morphology, composition and mixing state of individual airborne particles: effects of the 2017 Action Plan in Beijing, China
title_fullStr Morphology, composition and mixing state of individual airborne particles: effects of the 2017 Action Plan in Beijing, China
title_full_unstemmed Morphology, composition and mixing state of individual airborne particles: effects of the 2017 Action Plan in Beijing, China
title_sort Morphology, composition and mixing state of individual airborne particles: effects of the 2017 Action Plan in Beijing, China
dc.creator.fl_str_mv Shao, Longyi
Li, Jie
Zhang, Mengyuan
Wang, Xinming
Li, Yaowei
Jones, Tim
Feng, Xiaolei
Silva Oliveira, Luis Felipe
Li, Wenjun
dc.contributor.author.spa.fl_str_mv Shao, Longyi
Li, Jie
Zhang, Mengyuan
Wang, Xinming
Li, Yaowei
Jones, Tim
Feng, Xiaolei
Silva Oliveira, Luis Felipe
Li, Wenjun
dc.subject.spa.fl_str_mv Individual particle análisis
The action plan
TEM-EDX
Vehicle emisión
Secondary reaction
topic Individual particle análisis
The action plan
TEM-EDX
Vehicle emisión
Secondary reaction
description Beijing is one of the most important Chinese megacities with extremely serious air pollution problems and human health impacts. In response to the air pollution the central and municipal governments of China have implemented a series of actions; one of which is the “Action Plan for Comprehensive Prevention and Control of Autumn and Winter Air Pollution in Beijing-Tianjin-Hebei and Surrounding Areas 2017–2018” (the Action Plan) issued in 2017. The morphology, composition and mixing state of individual particles collected after the Action Plan was implemented were analyzed by high resolution-transmission electron microscopy coupled with an energy-dispersive X-ray spectrometer (TEM-EDX). The relative percentages of different individual particle types and the main sources of the particulate pollution before and after the Action Plan were compared. The results showed that sulfur was most frequently detected in the individual particles, and the particle types were mainly composed of soot aggregates, mineral particles, organic particles, metal particles, coal fly ashes, sulfate particles, and mixture particles. The mixture and sulfate particles dominated in the autumn samples, both for the haze and non-haze days. In winter the mineral and mixture particles dominated in samples for the non-haze days, while mixture particles and sulfate dominated in the samples for the haze days. The mixture particles in autumn were mainly the soot aggregates internally mixed with sulfate (S-soot type), while the mixture particles in winter were mainly the S-soot type and the mineral particles internally mixed with sulfate (S-mineral type). After the Action Plan, the relative percentages of sulfate particles, organic particles, and soot aggregates increased, while the relative percentages of mineral particles, metal particles and fly ashes decreased. The contribution from coal-fired sources was reduced significantly as evidenced by the decrease in the fly ash particles. The vehicle emissions and secondary reaction of particulate matter became the main sources of atmospheric particulate matters as evidenced by increase in sulfate particles, organic particles, and soot aggregates. The results presented in this study will assist in other plans to improve air quality and human health in megacities around the world.
publishDate 2021
dc.date.issued.none.fl_str_mv 2021
dc.date.accessioned.none.fl_str_mv 2022-01-22T21:48:38Z
dc.date.available.none.fl_str_mv 2022-01-22T21:48:38Z
dc.date.embargoEnd.none.fl_str_mv 2023
dc.type.spa.fl_str_mv Pre-Publicación
dc.type.coar.spa.fl_str_mv http://purl.org/coar/resource_type/c_816b
dc.type.content.spa.fl_str_mv Text
dc.type.driver.spa.fl_str_mv info:eu-repo/semantics/preprint
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dc.identifier.issn.spa.fl_str_mv 0959-6526
1879-1786
dc.identifier.uri.spa.fl_str_mv https://hdl.handle.net/11323/8997
dc.identifier.doi.spa.fl_str_mv https://doi.org/10.1016/j.jclepro.2021.129748
dc.identifier.instname.spa.fl_str_mv Corporación Universidad de la Costa
dc.identifier.reponame.spa.fl_str_mv REDICUC - Repositorio CUC
dc.identifier.repourl.spa.fl_str_mv https://repositorio.cuc.edu.co/
identifier_str_mv 0959-6526
1879-1786
Corporación Universidad de la Costa
REDICUC - Repositorio CUC
url https://hdl.handle.net/11323/8997
https://doi.org/10.1016/j.jclepro.2021.129748
https://repositorio.cuc.edu.co/
dc.language.iso.none.fl_str_mv eng
language eng
dc.rights.spa.fl_str_mv CC0 1.0 Universal
dc.rights.uri.spa.fl_str_mv http://creativecommons.org/publicdomain/zero/1.0/
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rights_invalid_str_mv CC0 1.0 Universal
http://creativecommons.org/publicdomain/zero/1.0/
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eu_rights_str_mv openAccess
dc.format.mimetype.spa.fl_str_mv application/pdf
dc.publisher.spa.fl_str_mv Corporación Universidad de la Costa
dc.source.spa.fl_str_mv Journal of Cleaner Production
institution Corporación Universidad de la Costa
dc.source.url.spa.fl_str_mv https://www.sciencedirect.com/science/article/abs/pii/S095965262103924X
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spelling Shao, LongyiLi, JieZhang, MengyuanWang, XinmingLi, YaoweiJones, TimFeng, XiaoleiSilva Oliveira, Luis FelipeLi, Wenjun2022-01-22T21:48:38Z2022-01-22T21:48:38Z202120230959-65261879-1786https://hdl.handle.net/11323/8997https://doi.org/10.1016/j.jclepro.2021.129748Corporación Universidad de la CostaREDICUC - Repositorio CUChttps://repositorio.cuc.edu.co/Beijing is one of the most important Chinese megacities with extremely serious air pollution problems and human health impacts. In response to the air pollution the central and municipal governments of China have implemented a series of actions; one of which is the “Action Plan for Comprehensive Prevention and Control of Autumn and Winter Air Pollution in Beijing-Tianjin-Hebei and Surrounding Areas 2017–2018” (the Action Plan) issued in 2017. The morphology, composition and mixing state of individual particles collected after the Action Plan was implemented were analyzed by high resolution-transmission electron microscopy coupled with an energy-dispersive X-ray spectrometer (TEM-EDX). The relative percentages of different individual particle types and the main sources of the particulate pollution before and after the Action Plan were compared. The results showed that sulfur was most frequently detected in the individual particles, and the particle types were mainly composed of soot aggregates, mineral particles, organic particles, metal particles, coal fly ashes, sulfate particles, and mixture particles. The mixture and sulfate particles dominated in the autumn samples, both for the haze and non-haze days. In winter the mineral and mixture particles dominated in samples for the non-haze days, while mixture particles and sulfate dominated in the samples for the haze days. The mixture particles in autumn were mainly the soot aggregates internally mixed with sulfate (S-soot type), while the mixture particles in winter were mainly the S-soot type and the mineral particles internally mixed with sulfate (S-mineral type). After the Action Plan, the relative percentages of sulfate particles, organic particles, and soot aggregates increased, while the relative percentages of mineral particles, metal particles and fly ashes decreased. The contribution from coal-fired sources was reduced significantly as evidenced by the decrease in the fly ash particles. The vehicle emissions and secondary reaction of particulate matter became the main sources of atmospheric particulate matters as evidenced by increase in sulfate particles, organic particles, and soot aggregates. 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