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What is it?



Types of Distillation

Distillation is the process of purifying water by boiling it and condensing its vapors.


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Simple DistillationPracticed for a mixture in which the boiling point of the components differ by at least 70° C. Followed for the mixtures contaminated with nonvolatile particles (solid or oil)

Double distillationThe process of repeating distillation on the collected liquid in order to enhance the purity of the separated compounds.

Fractional DistillationThose mixtures, in which the volatility of the components is nearly similar or differs by 25° C (at 1 atmosphere pressure), it cannot be separated by simple distillation.

Steam DistillationUsed for the purification of mixtures, in which the components are temperature or heat sensitive; for example, organic compounds.

Vacuum DistillationSpecial method of separating compounds at pressure lower than the standard atmospheric pressure. Under this condition, the compounds boil below their normal boiling temperature.

Short Path DistillationIn this technique, the separated compounds are condensed immediately without traveling the condenser. The condenser is configured in a vertical manner between the heating flask and the collecting flask.


1. Select the heat source 2. Clean, dry and assemble the distillation apparatus. 3. Turn on the cold water supply to the condenser. 4. Add the liquid to be distilled to the distillation pot. 5. Heat the liquid and collect the product in the receiving flask.6. Allow the apparatus to cool and disassemble it.


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