How is Ozone used for Water Purification? Ozone must be made on-site and used immediately. Ozone generators produced ozone first by compressing ambient air, then separating it out and concentrating the oxygen. At Excalibur, we run the oxygen through a high-voltage device, called a corona, essentially “lightning in a bottle”. The generator then “injects” the gaseous ozone into water using negative pressure or a vacuum. Iron and Sulphur Bacteria Iron bacteria and sulphur bacteria are small living organisms that naturally occur in soil, surface water and groundwater. Ozone kills and removes iron and sulphur bacteria from your water. Iron bacteria and Sulphur bacteria are naturally occurring organisms in the environment. Iron bacteria combine iron (or manganese), present in water, with oxygen. The iron bacteria may form large masses of an orangey-brown slime. Sulphur-reducing bacteria live in oxygendeficient environments. They break down sulphur compounds present in water, producing hydrogen sulphide gas in the process. Iron bacteria are more common than sulphur bacteria, because iron is more abundant in groundwater.
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