A new theoretical approach to the hydrogen-bonded fluids based on the conformal solution concept

In this work, a new generalized chemical theory of association is developed and is used to derive the distribution function of associated species form ed due to hydrogen bonding in a pure associating fluid. The concepts of con formal solution theory are extended to consider the pure associating fluids , and the derived distribution function is used to obtain the conformal par ameters. A general procedure is proposed for computing the parameters of an y cubic equation of state based on the conformal solution theory developed in this work. As an example, the parameters of van der Waals equation of st ate are obtained. The PVT calculations for three associating fluids (water, ammonia, and methanol) substantiate the effectiveness of the proposed appr oach.