Ozone Oxidizing Systems

• Kills Bacteria, Viruses, Cysts
• Oxidizes Hydrogen Sulfide gas
• Oxidizes organic compounds breaking them down to their basic components of Hydrogen, Carbon, Nitrogen, etc.
• Removes BOD & COD
• No lasting residual because of 20 min. half life
• Pool & stored water sanitizing
• Extends produce life

How ozone O3 is produced

It starts as an Oxygen molecule O2 which is energized by a strong electrical field such as a lightning bolt in nature, a man-made electrical field called corona discharge, or 185 nanometers wave length rays from a special ultraviolet light. Some of the O2 molecules split into two oxygen atoms O- which then combine with remaining O2 molecules to form Ozone O3.  This activated Oxygen is not considered to be chemical.

What it does

Oxidizes chemicals such as iron and hydrogen sulfide in the water so they can be removed with simple filtration. The aggregate of these oxidizable chemicals is referred to as the waters chemical oxygen demand (COD). Ozone also ruptures bacterial, virus and other biological material cell walls. The aggregate of all bacterial and microorganism cells in water are referred to as the waters biological oxygen demand (BOD). Additionally, ozone will oxidize (destroy) virtually any organic compounds in the water which are primarily hydro carbons into their basic constituents of hydrogen, carbon and oxygen thus rendering them harmless

Effectiveness

Properly done, ozone will react 4-10 times as fast as liquid chlorine and 2 times as fast as chlorine dioxide. No know disinfectant by products (DBP) are produced as a residual.  This is important. As an example, the trihalomethane DBP’s caused by chlorine, bromine, iodine and fluoride are carcinogens.

How to get ozone into the water

Forget bubbling into a tank. This is grossly inefficient unless water is passed through an ozone injector first. Best is to use an injector that is specifically designed for providing mass transfer of a gas into a liquid such as a Mazzei.   Normally, the injector is incorporated in a side stream with the majority of the water going through a by-pass valve to create a pressure drop that induces a vacuum.  The side stream ozonated water is then introduced after the by-pass.

Strength of ozone

Dependent on the equipment as well as the gas used. Air being approx. 20% oxygen will yield one level of ozone and pure oxygen will yield about 2X the level of ozone produced by air. Almost pure Oxygen is mainly obtained by relatively small devices that absorb Nitrogen out of a stream of air

Materials

Because of the aggressive nature of ozone, material selection is extremely important. This includes all fittings, tubes, pipes, valves and tanks.  Manufacturers of these components normally publish detailed information on their materials used and there are numerous on-line sites charting material vs. chemical compatibility.

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