The process of evaporation(boiling) and condensation at the same time (simultaneously) to get pure liquid from a solution is known as Distillation.

A distillation set up involves a boiling flask over a Bunson burner. This is connected to a distillation tube the flows into a beaker.

Distillation is a method of separation for liquids.
Evaporation is a physical change, from liquid to gas.

distillation of crude oil can produce, asphalt, heating oil, diesel oil.

Distillation can be used to separate solutions of miscible liquids, because the liquids have different boiling points. Distillation works because it vaporizes the more volatile of the two liquids.