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Ozone Treatment Systems
Ozone Treatment Systems
AuroZon offers Ozone Treatment Systems. It has developed a process to discolour and detoxify dyeing wash waters. The wash water being kept duly separated, ozone is applied to remove the colour, odour, COD/BOD. Ozone is used in two stages for more effective abatement in COD/BOD and colour. To remove colour from wash water, Ozone dosing required is from 50 to 150 ppm depending on the various colour dyes used. PH is optimised for better results. The ozonated water is passed through a settling tank to separate the suspended solids. A trace quantity of alum and polyelectrolyte is also added for more effective removal of the existing suspended solids and abatement of the turbidity. The solid waste (mainly cotton fibre particles), which comes out from the settling tank, is incinerated. The turbidity will thereby reduce from over 20 to less than 4 NTU. There is no hazardous chemical sludge generated. The COD level after ozone treatment is much less when compared with chemical treatment. The colour and odour are completely removed by ozone. The effluent is fully sterilised.
