Research Article
Application of Ozone and Oxygen to Reduce Chemical Oxygen Demand and Hydrogen Sulfide from a Recovered Paper Processing Plant
Table 3
DO and COD as a function of Ozone/Oxygen injection rate.
| O3 loading rate | DO | COD | % COD reduced | (g/min/liter) | (mg/L) | (mg/L) |
| No O2 or O3 | 0.14 | 5907 | | 0.53 O2 | 67.1 | 5440 | 7.9 | 0.053 O3 | 61.6 | 4970 | 15.8 | 0.105 O3 | 58.5 | 5043 | 14.6 | 0.158 O3 | 59.9 | 5040 | 14.7 | 0.212 O3 | 62.0 | 5053 | 14.5 | 0.318 O3 | 68.4 | 5033 | 14.8 |
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