Volume 46, Issue 6 pp. 1204-1211
Research Article

Evaluation of the Dry Deposition of Particles Emitted by Biomass Combustion

Dr. Maria Angélica Martins Costa

Corresponding Author

Dr. Maria Angélica Martins Costa

São Paulo State University–UNESP, Department of Engineering, Physics and Mathematics, Institute of Chemistry, Rua Prof. Francisco Degni, 55, 14800-900 Araraquara, SP, Brazil

Correspondence: Dr. Maria Angélica Martins Costa ([email protected]), Department of Engineering, Physics and Mathematics, Institute of Chemistry, São Paulo State University–UNESP, Rua Prof. Francisco Degni, 55, 14800-900 Araraquara, SP, Brazil.Search for more papers by this author
Bruna Sampaio de Mello

Bruna Sampaio de Mello

São Paulo State University–UNESP, Department of Engineering, Physics and Mathematics, Institute of Chemistry, Rua Prof. Francisco Degni, 55, 14800-900 Araraquara, SP, Brazil

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Airton dos Santos Olimpio Dias

Airton dos Santos Olimpio Dias

São Paulo State University–UNESP, Department of Engineering, Physics and Mathematics, Institute of Chemistry, Rua Prof. Francisco Degni, 55, 14800-900 Araraquara, SP, Brazil

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Gabriela Donato

Gabriela Donato

São Paulo State University–UNESP, Department of Engineering, Physics and Mathematics, Institute of Chemistry, Rua Prof. Francisco Degni, 55, 14800-900 Araraquara, SP, Brazil

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Dr. Kelly Johana Dussan

Dr. Kelly Johana Dussan

São Paulo State University–UNESP, Department of Engineering, Physics and Mathematics, Institute of Chemistry, Rua Prof. Francisco Degni, 55, 14800-900 Araraquara, SP, Brazil

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Dr. Arnaldo Sarti

Dr. Arnaldo Sarti

São Paulo State University–UNESP, Department of Engineering, Physics and Mathematics, Institute of Chemistry, Rua Prof. Francisco Degni, 55, 14800-900 Araraquara, SP, Brazil

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First published: 06 February 2023

Abstract

The dry deposition flux of particles smaller than 2.5 µm was investigated considering agricultural and urban regions. The concentrations, size distributions, and chemical characterization of particulate matter (PM) were evaluated and related to emission sources. The concentrations of fine PM were associated to the highest number of wildfire outbreaks. The results of the PM samples combined with the analyses of the air mass trajectories evidenced that the transport of this pollutant may have come from regions with industries that use biomass as fuel. The predominant water-soluble ions in coarse and fine particulate were nitrate, potassium, calcium, magnesium, potassium, sulfate, and nitrate, respectively. The deposition fluxes of potassium, nitrate, and sulfate ions were higher during the sugarcane harvest than during the off-season.

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