different between pervaporation vs distillation

English

Etymology

Blend of permeation +? evaporation

Noun

pervaporation (countable and uncountable, plural pervaporations)

1. (chemistry) A technique whereby the components of a mixture of two liquids are separated by selective permeation through a semipermeable membrane, the component that passes through the membrane being removed by evaporation

English

Etymology

From Middle English distillacioun, from Anglo-Norman distillacioun, from Latin dist?ll?ti?nem, accusative of dist?ll?ti?.

Pronunciation

• (UK) IPA^(key): /d?st??le???n/
• Rhymes: -e???n

Noun

distillation (countable and uncountable, plural distillations)

1. The act of falling in drops, or the act of pouring out in drops.
2. That which falls in drops.
3. (chemistry, chemical engineering) The separation of more volatile parts of a substance from less volatile ones by evaporation and condensation.
   1. Purification through repeated or continuous distilling; rectification.
   2. (petroleum) Separation into specific hydrocarbon groups; fractionation.
4. The substance extracted by distilling.
   • 1599, William Shakespeare, The Merry Wives of Windsor, III. v. 104:

     to be stopped in, like a strong distillation, with stinking / clothes that fretted in their own grease.

   • 1609, William Shakespeare, Sonnet 5:

     Then, were not summer's distillation left,

     A liquid prisoner pent in walls of glass ...

Translations