What is Distillation? Definition, Types, Benefits & Steps, Check Here

Distillation is the process of separating the substances from a liquid mixture by selective boiling or condensation. Distillation is used in many commercial processes such as the production of gasoline, distilled water, alcohol, and kerosene. To separate a mixture of liquids, the liquid can be heated to force components, which have different boiling points, into the gas phase. The gas is then condensed back into liquid form and collected. Repeating the process on the collected liquid to improve the purity of the product is called double distillation. Although this term is very commonly applied to liquids, the reverse process can be used to separate gases by liquefying components using changes in temperature and pressure.

Types of distillation:


Types of distillation


Different types of distillation • Simple – used for almost pure liquids or for mixtures of liquids with very different boiling points. • Fractional – used for mixtures with similar boiling points. A column is required, e.g. a Vigreux column • Vacuum – used for liquids with high boiling points (> 150oC). • Steam – used for heat sensitive compounds that are not water-miscible.

  1. Simple distillation:

The vapor gets directly produced into a condenser. Though the distillate is not pure but rather the formations is identical to the composition of vapors at the given temperature and pressure.

  1. Steam distillation: Steam method is the very common method. The distilling compounds are heat sensitive. The temperature of the steam is easier to control than the surface of the heating element. This allows a high rate of heat transfer without heating at very high temperature.
  2. Fractional distillation: It is used in order to separate the components by repeated vaporization-condensation cycles within a packed fractionating column.
  3. Short path distillation: It is a distillation technique that involves the distillate traveling a short distance only a few centimeters. The technique is done to reduce the pressure allowing a lower operating temperature range.

The chemical formula of distilled water:

The chemical formula of distilled water

H20. A water molecule is a triangular molecule with two hydrogen atoms and an oxygen atom. So the distilled water is a pure water, H20 that is the standard formula.

How to distill the water?

How to distilled the water

There are several methods to distilled the water. It is very easy to remove the chemicals and minerals from the water. the distilled water has various uses, includes drinking. Watering plants, filling humidifiers and fish tanks, aquariums etc.


  1. Fill the stainless still utensil about half with tap water.
  2. Place a glass bowl in water be sure it floats and do not touch at the bottom.
  3. Watch the water collecting in the bowl, that water should not be boiled.
  4. Create the condensation effect with a hold or cold barrier.
  5. Boil the water in your pot.
  6. Remove the pot from the heat and take off.
  7. Take the bowl of the distilled water out of the boiling water.
  8. Allow the distilled water to cool down before storing it.


Benefits of drinking the distilled water:

Benefits of drinking the distilled water

  • Drinking unclean water can cause diseases.
  • It is the natural purifying method and safe.
  • It is termed as the most purified water.
  • It is safe and removes contaminants present in the water.
  • It helps in preventions of the water diseases.
  • Absorbs the toxic substances from the body and removes them.
  • The nutrients and minerals your body needs are mostly from the food you eat.
  • It is less expensive than buying then gallon water which cost double price.
  • Better than bottled waters.
  • It helps in other applications also more than just drinking the water.

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