Abstract

This Paper studies the possibility of separating a neon-helium mixture by making use of the different solubility of the two gases in liquid nitrogen at 80 K and under increased pressure. The experiments carried out in a continuously functioning absorption column at pressures of 0.6 and 2 MPa proved the effectiveness of the process. The extraction coefficient for both gases exceeds 0.95 at fully acceptable installation sizes and liquid nitrogen consumption. The realization of the process in industrial conditions is considered as a method for obtaining neon and helium from the air.

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