VESSEL WITH A BLADDER FOR REDUCING VAPORIZATION OF FLUIDS BLENDS

摘要

A method and apparatus for storing and dispensing in liquid from a blend of fluids which normally fractionate upon boiling. The apparatus includes a container (12) having an internal bladder (18) dividing the container into two chambers. The first chamber (20) contains the liquid blend, and the second chamber (22) contains a pressurizing fluid in sufficient quantity to maintain the pressure on the other side of the bladder in the first chamber above the bubble point pressure of the liquid blend. In this manner, the vapor space above the fluid blend is eliminated, and thus the effect of fractionation caused by vaporization is essentially eliminated during dispensing or leakage of the blend from the package.