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By Anna Thompson


Ozonation as a method of treating water was introduced back in the 18s. Ozone water treatment systems are common in Africa, Europe and Asia. The United States has since switched to other methods, although they still use it. It is one of the most effective and best water treatment technique that has ever been invented. This technique accounts for the safe and good taste of bottled water.

Most first water packaging businesses almost closed. This was due to partial treatment of packaged water. Current success seen in water bottling businesses it tied to ozonation. Studies have revealed that proper and procedural observation of the process delivers quality packaged water. This is however, only achievable if authorized technology and procedure is observed.

Other methods of disinfection were in play before the invention and eventual application of ozonation. Little was known about the concept of packaging water system as the area had not been adequately explored. Everything including sealing packaged water was not done to the best level. Both air and airborne microscopic organisms were introduced into bottles during squeezing and handling. After days of storage the microscopic organisms grew back. The water became smelly and lost initial taste with time. It became a health hazard to customers.

Artificial manufacture of ozone is possible in an electric discharge generator with oxygen as the main material. The efficiency of most generators has been improved from the 2 percent weight to about 10 percent weight that is in the feed gas stream. The process is such that at the ozone contractor the water is brought into contact with ozone gas stream. In the contractor the gas dissolves in the water while undissolved gas is decomposed in a decomposer before being released into the air.

Excess ozone is decomposed to avoid pollution. This is done in accordance with World Health Organization regulations which regulate the quantity of ozone gas left to escape into the atmosphere. Presently concentration numbers are under 0.1 milligrams per liter. The good oxidation and disinfection abilities of ozone make it the most preferred. Most municipal water supply and treatment plants are currently using this method.

There are several reasons as to why reactors are required in ozonation. Reactors provide the actual facility where various reactions happen. Basic reactions such as decomposition, oxidation, and disinfection take place in reactors where they are exposed to various agents for a specific period. Disinfection mainly involves killing viruses, bacteria, and other parasites in water. A good percentage of disease causing agents are killed during disinfection.

Disinfection extends to all bottles including reusable ones. Oxidation which involves the addition of ozone gas is efficient against organic materials that cause odor and taste. It is equally effective against sulfide, iron, and manganese ions. Most treatment objectives can be achieved leaving no traces of chemical residual or taste when applied appropriately.

In summary, as much as the method has its bad sides the good sides outweigh them. As a result a good number of nations have approved its application by water treatment and supply plants. Some have extended the permission to treatment, processing and storage of foods. It is being suspected that cancer causing bromated ions is produced when bromide and ozone ions react.




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