What question did this study set out to answer?

This research aims to analyze odor active VOCs in the emissions from asphalt mixture plants.

Solutions and Challenges in Focusing Trap and Spectral Deconvolution for Characterization of Odor Active VOCs in Hot Mix‐Asphalt

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This work demonstrates mass spectrometry reveals odor active VOCs in asphalt emissions, indicating complexities in deconvolution processes.

This research aims to analyze odor active VOCs in the emissions from asphalt mixture plants.
Used thermal desorption–gas chromatography–mass spectrometry for analysis.
Applied a computational workflow in Non‐Targeted Analysis to process raw MS data.
Employed mass spectra matching and Linear Temperature‐Programmed Retention Index for identification.
Identified several oxygenated volatile organic compounds.
Achieved 2000 to 4500 deconvolution results with 300 to 500 library hits.
Noted challenges in deconvolution due to co‐elution and early elution of carbon dioxide.

Dugheri et al. (2026) studied this question.

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View Full Paper

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Authors

This work demonstrates mass spectrometry reveals odor active VOCs in asphalt emissions, indicating complexities in deconvolution processes.

This research aims to analyze odor active VOCs in the emissions from asphalt mixture plants.
Used thermal desorption–gas chromatography–mass spectrometry for analysis.
Applied a computational workflow in Non‐Targeted Analysis to process raw MS data.
Employed mass spectra matching and Linear Temperature‐Programmed Retention Index for identification.
Identified several oxygenated volatile organic compounds.
Achieved 2000 to 4500 deconvolution results with 300 to 500 library hits.
Noted challenges in deconvolution due to co‐elution and early elution of carbon dioxide.

Dugheri et al. (2026) studied this question.

View Full Paper

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