The Henry's law constant of the refrigerant difluoromethane (R-32) in various ionic liquids is determined. The topic is interest for the capture of refrigerant gases by ionic liquids that could be used as lubricants or additives for refrigerant fluids in refrigerating processes. This topic has received especial attention in the latest years and various studies on the solubility of these systems have been presented in the literature. The so-called VPT equation of state (a generalization of the Patel-Teja model) with the mixing rules of Kwak and Mansoori are employed to correlate solubility data and to check the thermodynamic consistency of the experimental data used in the study. The VPT model contains three generalizing parameters that are determined using experimental data and by optimizing bubble pressure correlation. The calculated Henry's constants are correlated in terms of the temperature, to finally propose a generalized Padé-type expression for The Henry's constant.

确定了各种离子液体中制冷剂二氟甲烷（R-32）的亨利定律常数。该主题对于通过离子液体捕获制冷剂气体引起关注，该离子液体可用作制冷过程中制冷剂流体的润滑剂或添加剂。近年来，该主题受到了特别的关注，文献中对这些系统的溶解度进行了各种研究。具有Kwak和Mansoori混合规则的所谓VPT状态方程（Patel-Teja模型的推广）用于关联溶解度数据并检查研究中使用的实验数据的热力学一致性。VPT模型包含三个泛化参数，这些参数使用实验数据并通过优化气泡压力相关性来确定。