Natural Water Treatment with Ozone

Ozone is a gas which is naturally formed whenever oxygen is present within a high-voltage field. Being highly unstable, it converts almost instantaneously into oxygen, without any trace being left behind.

Avoiding Toxic Disinfectants

Ozone is an extremely potent disinfectant because of its very high oxidation potential of 2.07 V, which means it is very reactive. When compared with oxygen, it has five times the oxidizing capacity of oxygen and two times that of chlorine, both of which are known to be strong oxidizing agents. Hence the appeal of ozone as a highly effective but ecologically appealing substitute for chlorine and other toxic water disinfectants.

Proven Efficiency

Laboratory testing has shown that the kill rate of ozone against a wide range of microbes, such as bacteria, fungi and viruses, is almost 100%. In addition to disinfecting water, ozone also removes objectionable odors, tastes and colors from the water, rendering it more attractive to the consumer. It also helps flocculate organic material in water which makes mechanical filtration of water easier.

Ozone Generation

Ozone is easily produced at the site where it is required to treat water, and in close proximity to the treatment plant, obviating the need for storage or transportation and thus cutting costs.

Production Process

Natural atmospheric ozone is produced by the splitting of oxygen molecules under the impact of ultraviolet solar radiation, resulting in singlet oxygen. Industrial production relies either on ultraviolet rays, corona discharge or cold plasma to lead to the same result. Primozone ozone generators use cold plasma in the dielectric barrier discharge method.

The unit in which ozone concentration is measured is grams/Nm3 of oxygen, or alternatively percentage by weight. The typically used concentrations range between 6-12 percent by weight of oxygen gas.

The Primozone ozone generators are capable of producing ozone concentrations from 14 to above 20 percent by weight, or 150-300 g of ozone per Nm3 of oxygen.

This information has been sourced, reviewed and adapted from materials provided by Primozone.

For more information on this source, please visit Primozone.


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