Table 1.
Media pH after 100-day treatment
| Reactor | SNI COD |
COD (mg/L) | SNI BOD |
BOD (mg/L) | SNI DO |
DO (mg/L) | SNI pH |
pH | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| H0 | H100 | H0 | H100 | H0 | H100 | H0 | H100 | |||||
| A | 100 | 25 | 123.33 | 12 | 6 | 38.23 | 6.8–7 | 7.6 | 6.6 | 6.8–7 | 7.2 | 7.4 |
| B | 100 | 25 | 93.33 | 12 | 6 | 28.93 | 6.8–7 | 7.6 | 5.8 | 6.8–7 | 7.2 | 7.7 |
| C | – | 161 | 999 | – | 152.93 | 609.67 | – | 7.5 | 6.2 | 6–9 | 6.3 | 9.5 |
| D | – | 161 | 1003 | – | 152.93 | 666.33 | – | 7.5 | 5.7 | 6–9 | 6.3 | 9.7 |
(A) Fresh water treated by control mask, (B) Fresh water treated by a bacterial mask, (C) Chlorella sp. treated by control mask, (D) Chlorella sp. treated by a bacterial mask. SNI, Indonesian Standard H0; H100, days 0 and 100, respectively; H0, day 0 and H100 represents day 100