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Disinfection is the destruction,
inactivation or removal of those micro-organisms
likely to cause subsequent infection of people.
Wastewater disinfection refers to the use of a
process designed specifically to reduce the numbers
of viable, infectious microbial organisms in an
effluent, …”
Due to its high oxidation
potential, ozone is the most effective commercially
available disinfectant in killing bacteria and
inactivating viruses, protozoa and other organic &
inorganic substances.
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Advantages of Ozone:
• After ozonation, there is no
regrowth of microorganisms, except for those
protected by the particulates in the wastewater
stream.
• Ozonation elevates the dissolved oxygen (DO)
concentration of the effluent. The increase in DO
can eliminate the need for
reaeration and also raise the level of DO in the receiving.
• Elimination of COD.
• Elimination of Phenols
• Decolorisation.
• Reduce Odour.
• No Sludge Formation.
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