Ozone: Functions and role in atmosphere - WorldOfChemicals

Applications of Ozone



Ozone is a slightly bluish or colorless inorganic chemical molecule, which has the chemical formula O3. Ozone has a distinctively pungent smell. It is an allotrope of oxygen and is not as stable as diatomic oxygen. Ozone is a highly reactive gas, which is diamagnetic in nature since all its electrons are paired.



Ozone was discovered by Christian Friedrich Schonbein. While conducting experiments on electrolysis of water at the University of Basel, he discovered a new pungent smelling product and termed it as ozone. Ozone has been derived from the Greek word "ozein", which means "to smell".


Role in the Atmosphere

Ozone is present in the form of a layer in the stratosphere, which is an atmospheric layer, present between 12 and 50 km from the earth's surface. It shields the surface of the earth from harmful ultraviolet radiations coming from the sun. Ozone is a toxic pollutant that can cause cancer, cataracts and lung tissue damage when it is present in the troposphere, which is the lower layer of the atmosphere that stretches from the surface up to 12 km.



Ozone finds applications in homes, schools, hospitals, hotels, office, shopping malls, public places, pharmaceutical factories, air conditioning pipeline disinfection plants, supermarkets, packaging facilities, food processing plants, hotels, entertainment venues, conference rooms and locker rooms.


It also finds applications in indoor plants cultivation, edible fungus cultivation, livestock and poultry breeding. Ozone is used for the treatment of drinking water, waste water and swimming pool water.



Ozone is used for sterilization purposes, such as the killing of viruses and bacteria. It is used for the detoxification of fruits and vegetables through the removal of residual pesticides. Apart from this, it used for deodorization purposes like the elimination of smoke, mold, etc. The oxygen level of water and air can be improved as well as purification of air can be achieved with ozone.


Can ozone be made artificially?

Yes, ozone can be made artificially with the help of ozone generators, which are devices that convert normal air into ozone. The device takes in air from one side, where it passes through electrical discharges and the CO2 present in it gets converted to O3. The device is normally placed inside a vehicle or a room and operated in the absence of humans and animals. The device is turned off after some time and vehicle or room is opened to let out the accumulated ozone.


Why use it?

The ozone generator is effective in removing smoke, bad odor and certain types of dirt from buildings and vehicles, which otherwise are difficult to remove. It is also to decontaminate surgery rooms, disinfect fabrics and sanitize swimming pools. Ozone does not linger for a long time, which quickly decays into diatomic oxygen.


Where to get it?

You can buy excess/ used equipment and chemicals from the top suppliers across the globe.



There is a lot to learn about the various processes that affect ozone. To create precise models, researchers must study various factors affecting the creation and destruction of ozone.

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