Colour Removal with Ozone in Water

Ozone Blog

Colour Removal with Ozone in Water

Ozone is a powerful oxidant that can be used to remove a wide range of contaminants from water, including dissolved iron, manganese, and hydrogen sulfide. One of the most common uses of ozone in water treatment is to remove the colour from the water.

Colour in water is typically caused by dissolved organic compounds, such as tannins and humic acids, which are present in natural water sources like lakes, rivers, and groundwater. These compounds can give the water a yellow, brown, or even black colour, making it unattractive and unappealing to drink.

Ozone is highly effective at removing colour from water because it oxidizes the dissolved organic compounds that cause the colour. This process breaks down the compounds into smaller, colourless molecules that can be easily removed by filtration or sedimentation. Ozone can also reduce the amount of chlorine required to disinfect the water, and it is more effective at destroying bacteria and viruses than chlorine.

The process of ozone colour removal in water typically involves injecting ozone gas into the water. The ozone gas is created by passing a high-voltage electrical current through a stream of oxygen. The oxygen is broken down into individual atoms, which then bond with other oxygen molecules to form ozone.

After ozone is injected into the water, it is circulated throughout the treatment system to ensure that it comes into contact with all of the colour-causing dissolved organic compounds. The water is then filtered or sedimented to remove any remaining colour, and the ozone is neutralized before the water is discharged.

Ozone colour removal is a highly effective and efficient method for removing colour from water. It is also environmentally friendly, as it does not produce any harmful by-products or contribute to the formation of disinfection by-products (DBPs).

In summary, ozone is a powerful oxidizing agent that can be used to remove the colour from water. The process of ozone colour removal typically involves injecting ozone gas into the water and then circulating it throughout the treatment system. The water is then filtered or sedimented to remove any remaining colour and the ozone is neutralized before the water is discharged.

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