Unveiling the promoting effect of water on formaldehyde oxidation over Pt/TiO2: insights from H/D kinetic isotope effect, in situ FTIR, and DFT

Lu Wang; Siyuan Zhang; Xiong Jukun; Meicheng Wen

doi:10.1039/d5en00541h

January 1, 2025Environmental Science Nano

Unveiling the promoting effect of water on formaldehyde oxidation over Pt/TiO2: insights from H/D kinetic isotope effect, in situ FTIR, and DFT

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Key Points

Water enhances the oxidation of formaldehyde, presenting potential health benefits from reducing indoor pollutants.
In-depth analysis showed that using Pt/TiO2 catalysts improves efficiency under ambient conditions, minimizing harmful effects.
Kinetic isotope effect and DFT modeling were employed to understand the reaction mechanisms better, confirming water's critical role.
These findings highlight innovative pathways for indoor air quality improvement, underscoring the importance of effective degradation methods.

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Implication

Analysis reveals enhanced formaldehyde oxidation in volatile organic compounds using water, indicating effective degradation strategies.

Abstract

Formaldehyde (HCHO), a prevalent indoor volatile organic compound, poses significant health risks to humans even at very low concentrations. As a result, its efficient degradation at room temperature is of...

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Wang et al. (2025) studied this question.

synapsesocial.com/papers/68af55d1ad7bf08b1eadc589 https://doi.org/10.1039/d5en00541h

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Unveiling the promoting effect of water on formaldehyde oxidation over Pt/TiO2: insights from H/D kinetic isotope effect, in situ FTIR, and DFT

Key Points

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Implication

Abstract

Discussion

Cite This Study

Unveiling the promoting effect of water on formaldehyde oxidation over Pt/TiO2: insights from H/D kinetic isotope effect, in situ FTIR, and DFT

Key Points

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

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