Solubility and Thermodynamic Modeling of Carcinogenic Nitrosamines in Aqueous Amine Solvents for CO2 Capture

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Abstract

A better understanding of key fundamental properties of nitrosamines, including their solubility in aqueous amine solvents, is needed to understand and accurately model the vapor-phase emission levels from operating CO2 capture systems. In this work, the first experimental Henry's volatility coefficient of a nitrosamine was obtained with a novel method using static headspace solid phase micro extraction (SPME) and gas chromatography mass spectrometry (GC/MS). The experimentally determined Henry's volatility coefficient of nitrosopyrrolidine (NPY) was found to be around 0.02 (dimensionless) at 25 °C, and falls in the range of a semi-volatile compound. A linear temperature dependency of the Henry's volatility coefficient can be observed, however additional data is need to verify this trend. Published by Elsevier Ltd.

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Thompson, J., Matin, N., & Liu, K. (2017). Solubility and Thermodynamic Modeling of Carcinogenic Nitrosamines in Aqueous Amine Solvents for CO2 Capture. In Energy Procedia (Vol. 114, pp. 1038–1044). Elsevier Ltd. https://doi.org/10.1016/j.egypro.2017.03.1250

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