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Comparison of Ozone vs UV in Water

The energy is not enough to destroy all types of bacteria, virus, protozoa, and fungus Mercilessly kills all bacteria and virus
Requires more contact time as the UV rays is stationery & hence water has to be exposed to it for a longer time The reaction is instantaneous as the gas mixes with water. The reaction rate is 3,200 times faster than any known method
If the water is turbid & has high level of suspended solids, the penetration of the rays is not deep Reduces turbidity and the suspended dissolved solids do not make any difference
Scale forms on the tube thereby reducing the disinfections rate Disinfections rate is constant and there is no scale formation
Cannot eliminate algae & biofilms Eliminates algae & biofilms
Cannot kill SPORES of bacteria & virus Eliminates even SPORES
Does not act as flocculent Act as flocculent
Does not eliminate ODOR Eliminates ODOR
Does not eliminate COLOUR Eliminates COLOUR
Cannot treat waste water Treats any type of water
UV light cannot increase or decrease energy Ozone can be increased or decrease to to desired level for effective treatment of water
The Intensity of the bulbs start reducing Intensity can not waver once fixed
Has very narrow application (Bacteria elimination only) Has wide applications like eliminating bacteria, odor, color, treating waste water, effluent & so on
UV intensity can not be measured Ozone presence can be felt
Can not stop corrosion. Stops corrosion completely
Can not store as SPORES will breed and bacteria will come alive Treatment is permanent
Bulbs get fused often No bulbs involved
Needs maintenance No maintenance required

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