Global modeling of trifluoroacetic acid surface concentration and deposition from the gas-phase oxidation of a wide range of precursor hydrofluoroolefins

M. Anwar H. Khan; D. R. Mendes; Rayne Holland; Carl J. Percival; Dudley E. Shallcross

doi:10.1039/d5ea00108k

December 2, 2025Environmental Science AtmospheresOpen Access

Global modeling of trifluoroacetic acid surface concentration and deposition from the gas-phase oxidation of a wide range of precursor hydrofluoroolefins

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Key Points

Trifluoroacetic acid deposition is significantly affected by its gas-phase oxidation.
Surface concentrations of TFA are influenced by variations in precursor hydrofluoroolefins.
Modeling techniques were employed to estimate TFA accumulation in the lower atmosphere and environmental reservoirs.
Environmental implications suggest a need for monitoring TFA levels in water bodies and land surfaces.

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Implication

Modeling predicts trifluoroacetic acid deposition in precipitation and water bodies from hydrofluoroolefin oxidation, highlighting environmental impacts.

Abstract

Oxidation of hydrofluoroolefins (HFOs) is a source of trifluoroacetic acid (TFA) in the lower atmosphere. TFA is deposited in precipitation and accumulates in water bodies and at land surfaces and...

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Khan et al. (2025) studied this question.

synapsesocial.com/papers/69337cdbb3f947a0a1259e27 https://doi.org/10.1039/d5ea00108k

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Global modeling of trifluoroacetic acid surface concentration and deposition from the gas-phase oxidation of a wide range of precursor hydrofluoroolefins

Key Points

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

Global modeling of trifluoroacetic acid surface concentration and deposition from the gas-phase oxidation of a wide range of precursor hydrofluoroolefins

Key Points

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

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