Research Article
Wastewater Treatment Using Wood Ash and Cement as Chemical Coagulant
Table 3
pH of the treated water before and after addition of lemon.
| | Treated water sample (g/500 ml) | pH value | Efficiency of the lemon on the pH |
| | 5 | 8.7 | 6.97 | | 7 | 8.92 | 7.23 | | 10 | 9.16 | 7.45 | | 20 | 9.32 | 7.62 | | 25 | 9.67 | 7.95 |
|
|
