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Multi-wavelength absorption and morphological characteristics of aerosol particles from different biofuel types in India.

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Title: Multi-wavelength absorption and morphological characteristics of aerosol particles from different biofuel types in India.
Authors: Kaur, Parminder1,2 parminder_phy@auts.ac.in, B. S., Arun3, Guha, Anirban2, Pipal, Atar Singh4
Source: Current Science (00113891). 3/10/2026, Vol. 130 Issue 5, p431-442. 12p.
Subjects: Light absorption, Morphology, Climate change, Soot, Biomass energy, Atmospheric aerosols, Carbonaceous aerosols, Combustion
Geographic Terms: India
Abstract: The present study characterises aerosol emissions from ten different biofuels used in rural households, examining multi-wavelength light absorption properties and morphological characteristics during flaming and smoldering combustion phases. Strong linear correlations (R 2 = 0.95–0.99) were observed between absorption Ångström exponent (AAE) values across all biofuels. Higher absorption coefficients at 880 nm corresponded to lower AAE values, indicating black carbon (BC) dominance during flaming, while brown carbon (BrC) dominated during smoldering. SEM-EDX analysis revealed flaming combustion produced chain-like aggregates of spherical particles (50–300 nm), while smoldering generated irregular, web-like structures. Carbon dominated both phases (50.8–60.3% flaming, 52.4–62.7% smoldering), with higher potassium during flaming. These findings establish frameworks for source apportionment and understanding climate impacts. [ABSTRACT FROM AUTHOR]
Copyright of Current Science (00113891) is the property of Indian Academy of Sciences and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
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PubType: Academic Journal
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  Data: Multi-wavelength absorption and morphological characteristics of aerosol particles from different biofuel types in India.
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  Data: <searchLink fieldCode="JN" term="%22Current+Science+%2800113891%29%22">Current Science (00113891)</searchLink>. 3/10/2026, Vol. 130 Issue 5, p431-442. 12p.
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  Data: <searchLink fieldCode="DE" term="%22Light+absorption%22">Light absorption</searchLink><br /><searchLink fieldCode="DE" term="%22Morphology%22">Morphology</searchLink><br /><searchLink fieldCode="DE" term="%22Climate+change%22">Climate change</searchLink><br /><searchLink fieldCode="DE" term="%22Soot%22">Soot</searchLink><br /><searchLink fieldCode="DE" term="%22Biomass+energy%22">Biomass energy</searchLink><br /><searchLink fieldCode="DE" term="%22Atmospheric+aerosols%22">Atmospheric aerosols</searchLink><br /><searchLink fieldCode="DE" term="%22Carbonaceous+aerosols%22">Carbonaceous aerosols</searchLink><br /><searchLink fieldCode="DE" term="%22Combustion%22">Combustion</searchLink>
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  Data: <searchLink fieldCode="DE" term="%22India%22">India</searchLink>
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  Data: The present study characterises aerosol emissions from ten different biofuels used in rural households, examining multi-wavelength light absorption properties and morphological characteristics during flaming and smoldering combustion phases. Strong linear correlations (R 2 = 0.95–0.99) were observed between absorption Ångström exponent (AAE) values across all biofuels. Higher absorption coefficients at 880 nm corresponded to lower AAE values, indicating black carbon (BC) dominance during flaming, while brown carbon (BrC) dominated during smoldering. SEM-EDX analysis revealed flaming combustion produced chain-like aggregates of spherical particles (50–300 nm), while smoldering generated irregular, web-like structures. Carbon dominated both phases (50.8–60.3% flaming, 52.4–62.7% smoldering), with higher potassium during flaming. These findings establish frameworks for source apportionment and understanding climate impacts. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Current Science (00113891) is the property of Indian Academy of Sciences and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=192271910
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        Value: 10.18520/cs/v130/i5/431-442
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      – Code: eng
        Text: English
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        PageCount: 12
        StartPage: 431
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      – SubjectFull: Light absorption
        Type: general
      – SubjectFull: Morphology
        Type: general
      – SubjectFull: Climate change
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      – SubjectFull: Soot
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      – SubjectFull: Biomass energy
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      – SubjectFull: Atmospheric aerosols
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      – SubjectFull: Carbonaceous aerosols
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      – SubjectFull: Combustion
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      – SubjectFull: India
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      – TitleFull: Multi-wavelength absorption and morphological characteristics of aerosol particles from different biofuel types in India.
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            NameFull: Kaur, Parminder
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            NameFull: B. S., Arun
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              M: 03
              Text: 3/10/2026
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              Y: 2026
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