Yields of Perfluorocarboxylic Acids from the Atmospheric Oxidation of Montreal Protocol Related Gases

Mads P. Sulbæk Andersen; Timothy John Wallington; Markus Ammann; S. Madronich; Mark L Hanson; Daniel Van Hoomissen; Keith R. Solomon

doi:10.1039/d5ea00179j

January 1, 2026Environmental Science AtmospheresOpen Access

Yields of Perfluorocarboxylic Acids from the Atmospheric Oxidation of Montreal Protocol Related Gases

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Key Points

This research aims to evaluate the yields of specific perfluorocarboxylic acids produced from the degradation of Montreal Protocol related gases.
Systematic evaluation of atmospheric degradation processes
Analysis of molar yields of trifluoroacetic acid, perfluoropropanoic acid, and perfluorobutanoic acid
Atmospheric conditions replicated in controlled experiments
High yields of trifluoroacetic acid were observed
Perfluoropropanoic and perfluorobutanoic acids also yielded significant levels during degradation
Results suggest a concerning environmental impact of these gases

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Implication

Systematic evaluation reveals molar yields of acid compounds from gas degradation, indicating environmental impacts.

Abstract

We present here a systematic evaluation of the molar yields of trifluoroacetic acid (TFA), perfluoropropanoic acid (PFPrA), and perfluorobutanoic acid (PFBA) from the atmospheric degradation of gases relevant to the...

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Andersen et al. (2026) studied this question.

synapsesocial.com/papers/69994c91873532290d021257 https://doi.org/10.1039/d5ea00179j

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Yields of Perfluorocarboxylic Acids from the Atmospheric Oxidation of Montreal Protocol Related Gases

Key Points

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Abstract

Discussion

Cite This Study

Yields of Perfluorocarboxylic Acids from the Atmospheric Oxidation of Montreal Protocol Related Gases

Key Points

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Implication

Abstract

Discussion

Cite This Study

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