Influencing Factors of Cryogenic Distillation Separation of H_2/HD and D_2/DT(In Chinese)

Abstract

A comprehensive study was carried out to uncover the influencing factors such as total stage number,feeding point,reflux ratio and distillation rate,concentration and temperature distribution along the distillation column was obtained. As the reflux ratio increases and the feeding point moves lower towards the bottom,HD(or DT) concentration in condenser and reboiler decreased.With the increase of distillation rate the HD concentration in reboiler increase as well,and H_2/HD,D_2/DT has clear different separation performance.

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