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.
Digital Object Identifier (DOI)
The authors acknowledge the Carbon Management Research Group (CMRG) members, including Duke Energy, Electric Power Research Institute (EPRI), Kentucky Department of Energy Development and Independence (KYDEDI), and Louisville Gas & Electric (LG&E) and Kentucky Utilities (KU) for their financial support.
Thompson, Jesse; Matin, Naser; and Liu, Kunlei, "Solubility and Thermodynamic Modeling of Carcinogenic Nitrosamines in Aqueous Amine Solvents for CO2 Capture" (2017). Center for Applied Energy Research Faculty Publications. 14.