Aeration (also called aerification or aeriation) is the process by which air is circulated through, mixed with or dissolved in a liquid. An aeration system works to evenly mix water temperature from the top to the bottom of a pond and eliminate the thermocline. ... Aeration works to move warmer water from the bottom of the pond to the top and can keep an area of the surface free of ice. This allows oxygenation of the pond. In industrial water conditioning, one of the major objectives of aeration is to remove carbon dioxide. Aeration is also used to oxidize soluble iron and manganese (found in many well waters) to insoluble precipitates. Aeration is often used to reduce the carbon dioxide liberated by a treatment process. Wastewater aeration is the process of adding air into wastewater to allow aerobic bio-degradation of the pollutant components. It is an integral part of most biological wastewater treatment systems. Increase aeration efficiency by converting from course bubble diffusers to full floor fine bubble aeration diffusers. Add fixed-film media to the aeration tank environment to increase the biomass concentration. Place additional aeration tanks into service to adequately process organic loadings.

Aeration is the process by which air is circulated through, mixed with or dissolved in a liquid or substance. Aeration brings water and air in close contact in order to remove dissolved gases and to oxidize dissolved metals, including iron, hydrogen sulfide, and volatile organic chemicals (VOCs). Aeration is the process of adding very tiny pockets of air to something. In the case of fats and oils, this is normally done using mechanical/physical means, such as creaming a mixture together using a wooden spoon or using an electric whisk.

The Three most important parameters in the aeration tank are pH, Temp, and Dissolved oxygen (DO).

Uses of aeration of liquids

• To smooth (laminate) the flow of tap water at the faucet.
• Production of aerated water or cola for drinking purposes.
• Secondary treatment of sewage or industrial wastewater through use of aerating mixers/diffusers.
• To increase the oxygen content of water used to house animals, such as aquarium fish or fish farm
• To increase oxygen content of wort (unfermented beer) or must (unfermented wine) to allow yeast to propagate and begin fermentation.
• To dispel other dissolved gases such as carbon dioxide or chlorine.
• In chemistry, to oxidise a compound dissolved or suspended in water.
• To induce mixing of a body of otherwise still water.
• Pond aeration.

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