Question

what r the limitations of distillation method...

Answer 1

1 answer · Chemistry
Best Answer
There are several

1) Differences in boiling points: If you are distilling two liquids, their boiling points should be far enough apart so you can tell when one liquid has boiled off and the other liquid is starting to boil off. That will decrease the effectiveness of the separation.

2) Azeotropes: Two liquids will sometimes com to a composition point where continued boiling results in teh same amount of the liquid will boil off. Ethanol has such and azeotrope, at 95%. To get 100% ethanol you have to remove the remaining water with a drying agent.

3) Solids concentration: If you are boiling off a liquid from a mixture containing solids, the mixture in the distillation pot will get more and more concentrated. If it gets too concentrated, the droplets formed when boiling can carryover in the vapor and contaminate the distillate.

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Answer 2

The process of evoparation and condensation at the same time to get pure liquid from solution is called distillation.


LIMITATIONS OF DISTILLATION METHOD :


1)differences in boiling point
2)azeotropes
3)soild concentration.

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