Effect of wood combustion conditions on the morphology of freshly emitted fine particles

T. Torvela (Corresponding Author), J. Tissari, O. Sippula, T. Kaivosoja, J. Leskinen, A. Virén, A. Lähde, Jorma Jokiniemi

Research output: Contribution to journalArticleScientificpeer-review

57 Citations (Scopus)

Abstract

The physical and chemical properties of biomass combustion-originated particles produced under controlled conditions (efficient, intermediate, and smouldering combustion) were studied. Transmission electron microscopy with energy dispersive X-ray spectroscopy was used to study the morphology and chemical composition of the size-classified samples collected from the flue gas. In addition, online-measured particle number size distributions, chemical analyses of the PM samples, and thermodynamic equilibrium calculations were used to interpret the results. The particles were composed of inorganic species and carbonaceous matter. Zinc oxide particles with an average diameter of 100nm). TEM observations of the size-classified samples revealed that condensed organic matter influenced the ash particle size and appearance. The soot morphology was also found to change, even after short periods of time, due to the presence of OM; changes in the primary particle diameter and the appearance of the agglomerates were observed. As external mixtures, the soot and ash particles were separated into two particle size modes, but both could be found as internally mixed from the accumulation mode. This result extends the current knowledge of particle formation in wood combustion, showing that the particle formation processes of ash and soot particles are largely separate
Original languageEnglish
Pages (from-to)65-76
JournalAtmospheric Environment
Volume87
Issue numberApril
DOIs
Publication statusPublished - 2014
MoE publication typeA1 Journal article-refereed

Fingerprint

combustion
soot
ash
transmission electron microscopy
particle size
effect
particle
X-ray spectroscopy
chemical property
physical property
thermodynamics
zinc
chemical composition
oxide
organic matter
biomass
energy

Keywords

  • Biomass combustion
  • emissions characterisation
  • gas-to-particle conversion
  • transmission electron microscopy
  • ultrafine particles

Cite this

Torvela, T., Tissari, J., Sippula, O., Kaivosoja, T., Leskinen, J., Virén, A., ... Jokiniemi, J. (2014). Effect of wood combustion conditions on the morphology of freshly emitted fine particles. Atmospheric Environment, 87(April), 65-76. https://doi.org/10.1016/j.atmosenv.2014.01.028
Torvela, T. ; Tissari, J. ; Sippula, O. ; Kaivosoja, T. ; Leskinen, J. ; Virén, A. ; Lähde, A. ; Jokiniemi, Jorma. / Effect of wood combustion conditions on the morphology of freshly emitted fine particles. In: Atmospheric Environment. 2014 ; Vol. 87, No. April. pp. 65-76.
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abstract = "The physical and chemical properties of biomass combustion-originated particles produced under controlled conditions (efficient, intermediate, and smouldering combustion) were studied. Transmission electron microscopy with energy dispersive X-ray spectroscopy was used to study the morphology and chemical composition of the size-classified samples collected from the flue gas. In addition, online-measured particle number size distributions, chemical analyses of the PM samples, and thermodynamic equilibrium calculations were used to interpret the results. The particles were composed of inorganic species and carbonaceous matter. Zinc oxide particles with an average diameter of 100nm). TEM observations of the size-classified samples revealed that condensed organic matter influenced the ash particle size and appearance. The soot morphology was also found to change, even after short periods of time, due to the presence of OM; changes in the primary particle diameter and the appearance of the agglomerates were observed. As external mixtures, the soot and ash particles were separated into two particle size modes, but both could be found as internally mixed from the accumulation mode. This result extends the current knowledge of particle formation in wood combustion, showing that the particle formation processes of ash and soot particles are largely separate",
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Torvela, T, Tissari, J, Sippula, O, Kaivosoja, T, Leskinen, J, Virén, A, Lähde, A & Jokiniemi, J 2014, 'Effect of wood combustion conditions on the morphology of freshly emitted fine particles', Atmospheric Environment, vol. 87, no. April, pp. 65-76. https://doi.org/10.1016/j.atmosenv.2014.01.028

Effect of wood combustion conditions on the morphology of freshly emitted fine particles. / Torvela, T. (Corresponding Author); Tissari, J.; Sippula, O.; Kaivosoja, T.; Leskinen, J.; Virén, A.; Lähde, A.; Jokiniemi, Jorma.

In: Atmospheric Environment, Vol. 87, No. April, 2014, p. 65-76.

Research output: Contribution to journalArticleScientificpeer-review

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AU - Torvela, T.

AU - Tissari, J.

AU - Sippula, O.

AU - Kaivosoja, T.

AU - Leskinen, J.

AU - Virén, A.

AU - Lähde, A.

AU - Jokiniemi, Jorma

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N2 - The physical and chemical properties of biomass combustion-originated particles produced under controlled conditions (efficient, intermediate, and smouldering combustion) were studied. Transmission electron microscopy with energy dispersive X-ray spectroscopy was used to study the morphology and chemical composition of the size-classified samples collected from the flue gas. In addition, online-measured particle number size distributions, chemical analyses of the PM samples, and thermodynamic equilibrium calculations were used to interpret the results. The particles were composed of inorganic species and carbonaceous matter. Zinc oxide particles with an average diameter of 100nm). TEM observations of the size-classified samples revealed that condensed organic matter influenced the ash particle size and appearance. The soot morphology was also found to change, even after short periods of time, due to the presence of OM; changes in the primary particle diameter and the appearance of the agglomerates were observed. As external mixtures, the soot and ash particles were separated into two particle size modes, but both could be found as internally mixed from the accumulation mode. This result extends the current knowledge of particle formation in wood combustion, showing that the particle formation processes of ash and soot particles are largely separate

AB - The physical and chemical properties of biomass combustion-originated particles produced under controlled conditions (efficient, intermediate, and smouldering combustion) were studied. Transmission electron microscopy with energy dispersive X-ray spectroscopy was used to study the morphology and chemical composition of the size-classified samples collected from the flue gas. In addition, online-measured particle number size distributions, chemical analyses of the PM samples, and thermodynamic equilibrium calculations were used to interpret the results. The particles were composed of inorganic species and carbonaceous matter. Zinc oxide particles with an average diameter of 100nm). TEM observations of the size-classified samples revealed that condensed organic matter influenced the ash particle size and appearance. The soot morphology was also found to change, even after short periods of time, due to the presence of OM; changes in the primary particle diameter and the appearance of the agglomerates were observed. As external mixtures, the soot and ash particles were separated into two particle size modes, but both could be found as internally mixed from the accumulation mode. This result extends the current knowledge of particle formation in wood combustion, showing that the particle formation processes of ash and soot particles are largely separate

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KW - emissions characterisation

KW - gas-to-particle conversion

KW - transmission electron microscopy

KW - ultrafine particles

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