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Ozone and the Sulfide Ion
| Theoretical
Amounts of Various Agents Required to Oxidize 1mg/L of Sulfide Ion |
| Oxidizing Agent |
Practical Amount Required
to Oxidize 1 mg/L S2- |
Theoretical
Stoichiometry |
| Ozone |
2.2 to 3.6 mg/L |
1.5 mg/L |
| Chlorine |
2.0 to 3.0 mg/L |
2.2 mg/L |
| KMnO4 |
4.0 to 6.0 mg/L |
3.3 mg/L |
| CIO2 |
7.2 to 10.8 mg/L |
4.2 mg/L |
| H2O2 |
1.0 to 1.5 mg/L |
1.1 mg/L |
| Oxygen |
2.8 to 3.6 mg/L |
0.5 mg/L |
From “Ozone for POU, POE
& Small Water System Applications,” published by the Water Quality
Association–Ozone Task Force, 1999.
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