DISTILL A TION. 



1 I 



FIG. 251. 



512. Distillation of a Liquid from a Solid. 



Suppose that water is to be separated from the salt it 

 holds in solution. The brine is placed in a retort and 

 heated a little above 212 F. At this temperature the 

 water is vaporized while the salt is not. The steam is 

 driven from the 

 retort through the 

 worm, where it is 

 rapidly condensed 

 and passes into a 

 vessel prepared to 

 receive it. The 

 salt remains in 

 the retort. Of 

 course, the water B = 

 of the vessel con- 

 taining the worm FIG. 252. 



