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What are the main differences of disinfection process based on O3 and Cl2 as the disinfectants?

What are the main differences of disinfection process based on O3 and Cl2 as the disinfectants?

Engineering   Chemical-Engineering   
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Answer #1

This comparison will show the difference between both of them.First one is of ozone and 2 nd one is of chlorine.

ACTION IN WATER CHLORINE OZONE

Oxidation Potential (Volts)1. 2.

Disinfection:

Bacteria ModerateExcellent

Viruses Moderate  Excellent

Environmentally FriendlyNoYes

Color RemovalGoodExcellent

Carcinogen FormationLikelyUnlikely

Organics OxidationModerateHigh

Micro flocculationNoneModerate

pH EffectVariableLowers

Water Half-Life2-3 hours min.

Operation Hazards:

Skin Toxicity HighModerate

Inhalation ToxicityHighHigh

ComplexityLow High

Capital CostLow High

Monthly Use Cost   Moderate-High Low

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