"Ionic liquids (IL) have been recently proposed as absorbents in absorption and refrigeration cycles (Cai, 2007). On the other hand, also recently a great attention has been redirected toward recovery of waste heat looking for working pairs with natural refrigerants that can be characterized by a well-balanced set of properties (Sen and Paolucci, 2006; Sen et al. 2007;…).As a new type of fluids wi ...