Separation of substances

The separation technique is a method in which mass transfer takes place and converts a mixture of substances into two or more substances. Examples: handpicking, winnowing, threshing, sedimentation, filtration etc. Two or more substances which are separated using various methods of separation can be useful or useless.

Methods Of Separating Mixtures

Some of the common methods of separating substances or mixtures are:

Handpicking
Threshing
Winnowing
Sieving
Evaporation
Distillation
Filtration or Sedimentation
Separating Funnel
Magnetic Separation
The most common method of separating a liquid from an insoluble solid is the filtration. Take, for example, the mixture of sand and water. Filtration is used here to remove solid particles from the liquid. Various filtering agents are normally used like filtering paper or other materials.
Sedimentation is a process by which heavier impurities present in liquid normally water settle down at the bottom of the container containing the mixture. The process takes some amount of time.

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