Heavy water production by the ammonia rectification method with heat pump. Experience of a commercial unit start-up

Facility for heavy water production by ammonia rectification method with heat pump with efficiency of 8 t/year is described. The negative scale effect-decrease in efficiency mass-exchange device of one and the same design by increase in diameter was reliably established for the first time by the plant start-up. It's hydrodynamic nature was determined and foundations of modern theory of scale transfer were laid down. Large-scale testing unit was created for the first time in Russia. 12 refs.; 9 figs