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Encyclopedia > Aeration

Aeration is the process by which air is circulated through, mixed with or dissolved in a liquid (usually water) or substance (such as soil). Process (lat. ... Layers of Atmosphere (NOAA) Air redirects here. ... For the connotation of the term relating to chemistry, see Solvation. ... A liquid will usually assume the shape of its container. ...

Usually aeration of liquids is achieved by passing it through air or vice versa, by means of compressed air and diffuser(s) or air stone. Compressed air is used to refer to: Pneumatics, the use of pressurized gases to do work, as used in the Air car Breathing gas, often used in scuba diving, also to inflate buoyancy devices Compressed air can also be used for cooling using a vortex tube. ...

On a given volume of air or liquid the surface area changes proportionally with drop or bubble size, the very surface area where exchange can occur. Utilizing extremely small bubbles or drops, increases the rate of gas transfer (aeration) due to the higher contact surface area. This article explains the meaning of area as a Physical quantity. ...

Uses of aeration

Aeration (of soil) refers to the extent of air gaps in soil. See Porosity#Porosity of soil. Aeration commonly refers to the process of using mechanized equipment to either puncture the soil with spikes (spike aeration) or remove approxametely 1"X2" cores of soil from the ground (core aeration). Spike aeration involves the use of an aeration machine with spikes up to a foot or more in length. Spike aeration is sometimes used to address drainage issues in areas with turf. Core aeration is done on turf areas as a means of reducing turf compaction, reducing thatch buildup, improving the infiltration of water/nutrients, and creating an environment where grass seed can have direct contact with the soil. Bubbles in carbonated water float to the surface. ... Sewage is the liquid water produced by human society which typically contains washing water, laundry waste, faeces, urine and other liquid or semi-liquid wastes. ... Wastewater is any water that has been adversely affected in quality by anthropogenic influence. ... Fine bubble diffusers are a pollution control technology. ... Coarse bubble diffusers produce 1/4 to 1/2 inch bubbles which rise rapidly from the floor of a wastewater treatment plant or sewage treatment plant tank. ... General Name, Symbol, Number oxygen, O, 8 Chemical series Nonmetals, chalcogens Group, Period, Block 16, 2, p Appearance colorless (gas) very pale blue (liquid) Atomic mass 15. ... Fishkeeping is a popular hobby concerned with keeping fish in the home aquarium or garden pond. ... A demonstration aquaculture facility Fish farming is the principal form of aquaculture. ... Wort might refer to one of the following: Look up wort in Wiktionary, the free dictionary. ... Must is the juice of freshly pressed grapes, prior to fermentation into wine. ... Beer fermenting at a brewery. ... Carbon dioxide is a chemical compound composed of one carbon and two oxygen atoms. ... General Name, Symbol, Number chlorine, Cl, 17 Chemical series halogens Group, Period, Block 17, 3, p Appearance yellowish green Atomic mass 35. ... Used in geology, building science and hydrogeology, the porosity of a porous medium (such as rock or sediment) is the proportion of the non-solid volume to the total volume of material, and is defined by the ratio: where Vp is the non-solid volume (pores and liquid) and Vm... Thatching is the art or craft of covering a roof with vegetative materials such as straw, reed or sedge. ...

Aeration of sediments refers to a method of improving water quality by the augmentation of oxygen for the bacterial activities in a liquid.

Aeration in food, this is the process in which air,l or CO2 is absorbed into the item. It refers to the lightness of bread, cakes and some sauces

See also

Look up aeration in Wiktionary, the free dictionary.

( http://www.hkc22.com/aeration.html ) The Future of Aeration Technology, Systems, Markets and Developments to 2015 Wikipedia does not have an article with this exact name. ... It has been suggested that French Wiktionary be merged into this article or section. ...

See more information on aeration of liquid here :Canadianpond.ca The Winkler test is used to determine the level of dissolved oxygen in fresh water samples. ...

  Results from FactBites:
Aerated Waters - LoveToKnow 1911 (571 words)
Many of the ordinary aerated waters of commerce, however, do not pretend to reproduce any known natural water; they are merely beverages owing their popularity to their effervescing properties and the flavour imparted by a small quantity of some salt such as sodium bicarbonate or a little fruit syrup.
In another arrangement the gas is supplied compressed in little steel capsules, and is liberated into a bottle containing the water which has to be aerated.
Aerated waters are sent out from the factories either in siphons or in bottles; the latter may be closed by corks, or by screw-stoppers or by internal stoppers consisting of a valve, such as a glass ball, held up against an indiarubber ring in the neck by the pressure of the gas.
ISMA - Aerated lagoons for waste water treatement (1823 words)
Aerated lagoons for municipal waste water are designed according to the volume load and the retention time.
In the case the first aerated lagoon is designed as a storm-water tank to retain the first amount of discharge storm-water, the storm-water overflow in front of the pond overflow will go into operation.
Aerated lagoons are a complete and low-priced system to the mechanic-biological purification of waste water of small communities.
  More results at FactBites »



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