Sorption

Sorption is a physical and chemical process by which one substance becomes attached to another. It is used in a variety of applications, including in chemistry, biology, and environmental science.

Definition

Sorption involves two main processes: adsorption and absorption. In adsorption, molecules from a substance adhere to the surface of another substance. In absorption, one substance is incorporated into another.

Types of Sorption

There are several types of sorption, including:

• Physical sorption: This involves weak van der Waals forces and is usually reversible.
• Chemical sorption: This involves stronger chemical bonds and is often irreversible.
• Capillary sorption: This involves the movement of liquid into a porous material due to capillary forces.

Applications

Sorption is used in a variety of applications, including:

• Water treatment: Sorption is used to remove contaminants from water.
• Soil science: Sorption affects the movement of nutrients and contaminants in soil.
• Food storage: Sorption can affect the shelf life of food.

See also

• Adsorption
• Absorption
• Desorption
• Chemisorption
• Physisorption

Sorption Resources
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