对“使用AtChem2盒模型评估三氟乙醛(CF3CHO)的大气命运及其作为氟仿(HFC-23)新来源的潜力”的评论,Pérez-Peña等人,Environ。科学。:大气压。科学通报,2023,3,1767-1777,doi: 10.1039/ d3ea00120b

IF 2.8 Q3 ENVIRONMENTAL SCIENCES
O. J. Nielsen, M. P. Sulbaek Andersen and J. Franklin
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引用次数: 0

摘要

最近Pérez-Peña等人在该杂志上发表了一篇关于三氟乙醛(CF3CHO)作为CF3H (HFC-23)来源的潜在大气命运的论文。在他们的工作中,他们利用盒子模型和全球化学和运输模型来评估CF3CHO光解产生的CF3H,后者是由HFO-1234ze (CF3CHCHF)的光化学氧化产生的。做了一些化学假设和简化。我们认为Pérez-Peña等人使用的假设错误地描述了CF3CHO的环境命运。在下面,我们对CF3CHO的光解和湿法和干法沉积提出了我们的看法。此外,我们还考虑了CF3CHO在环境处理过程中潜在沉积对三氟乙酸(CF3COOH)形成的影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Comment on “Assessing the atmospheric fate of trifluoroacetaldehyde (CF3CHO) and its potential as a new source of fluoroform (HFC-23) using the AtChem2 box model” by Pérez-Peña et al., Environ. Sci.: Atmos., 2023, 3, 1767–1777, DOI: 10.1039/D3EA00120B

Comment on “Assessing the atmospheric fate of trifluoroacetaldehyde (CF3CHO) and its potential as a new source of fluoroform (HFC-23) using the AtChem2 box model” by Pérez-Peña et al., Environ. Sci.: Atmos., 2023, 3, 1767–1777, DOI: 10.1039/D3EA00120B

Recently Pérez-Peña et al. published a paper in this journal on the potential atmospheric fate of trifluoroacetaldehyde (CF3CHO) as a source of CF3H (HFC-23). In their work they utilized both a box model and a global chemistry and transport model to evaluate the production of CF3H from the photolysis of CF3CHO, the latter generated from photochemical oxidation of HFO-1234ze (CF3CHCHF). Certain chemical assumptions and simplifications were made. We believe the assumptions utilized by Pérez-Peña et al. misrepresent the environmental fate of CF3CHO. In the following, we present our comments on both the photolysis and the wet and dry deposition of CF3CHO. Furthermore, we contemplate the impact of the potential deposition of CF3CHO on the formation of trifluoroacetic acid (CF3COOH) during the environmental processing of CF3CHO.

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