Research Article
Treatment of Cutting Oil-in-Water Emulsion by Combining Flocculation and Fenton Oxidation
Table 3
COD value and COD removal efficiency.
| | Stirring time (minutes) | COD (mg/L) | COD removal efficiency (%) |
| | 5 | 2938 | 98.00 | | 15 | 2484 | 98.31 | | 25 | 2586 | 98.24 | | 35 | 2702 | 98.16 | | 45 | 2768 | 98.12 | | 55 | 2992 | 97.96 |
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