Tag Archives: Water Purification

If you have been doing some research on Ozone, you have no doubt already read many articles describing its characteristics. Really simple, it is 3 oxygen atoms that were combined through one of several processes. It becomes a very unstable molecule in this state, and is just waiting for a chance to stabilize again by oxidizing something, almost anything actually. 3′s a crowd right and as soon as our O3 molecule meets something, it uses that 3rd atom like a bomb to oxidize whatever it met.

What we want to do with the O3 we produce will play a big part in which process we use to make it. Here, we are concered with water, but Ozone also has many other uses. How we make the Ozone will determine how powerful it is. Then the biggest issue is how we will apply it. You can take the finest Ozone producing equipment available, and render it next to useless if it is not applied right. A few issues to be concerned with are concentration, solubility and contact time. There are the UV style Ozone generators (the bulb/lamp style) which do not use air preparation systems, and Corona Discharge (so called lighting storm style) ones that do. Although sometimes used without air prep. systems, CD style resonators should always use prepared air or oxygen to produce ozone. Humidity in the air will cause the process to create nitric acid which will destroy the generator in a short time. Humid air also produces very little ozone.

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Some scientific info

Ozone (O3) is a molecule, consisting of three oxygen atoms. It is an allotrope oxygen that is much less stable than the diatomic O2. The ozone layer in the upper atmosphere filters potentially damaging ultraviolet light from reaching the Earth’s surface. It is present in low concentrations throughout the Earth’s atmosphere. It has many industrial and consumer applications.

Ozone can be used to remove manganese from water, forming a precipitate which can be filtered:

2 Mn2+ + 2 O3 + 4 H2O → 2 MnO (OH) 2 (s) + 2 O2 + 4 H+

Ozone will also turn cyanides to the one thousand times less toxic cyanates:

CN- + O3 → CNO- + O2

Check our shop to see available swimming pool ozone generators.

Industrial Use

Mainly the ozone is used in the preparation of pharmaceuticals, synthetic lubricants and other organic compounds. It is also be used to bleach substances and for killing microorganisms in air and water sources. Many drinking water systems kill bacteria with ozone instead of the more common chlorine as it does not form organ chlorine compounds, nor does it remain in the water after treatment. The Safe Drinking Water Act mandate that these systems introduce an amount of chlorine to maintain a minimum of 0.2 ppm residual Free Chlorine in the pipes, based on results of regular testing. Ozone is also a cost-effective method of treating water, where there is electric power since it is produced on demand and does not require transportation and storage of hazardous chemicals. Once it has decayed, it leaves no taste or odor in drinking water. Other important applications of ozone:

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