Date of Measuring day | Period | pressure | Productivity (D) | Productivity increase % | ||
Conventional still without vacuum pump | Modified Still with vacuum pump | Dconvetional (ml) | Dmodified (ml) | |||
23-12-2014 | 9 a.m.:16 p.m. |
| 39 kPa (75˚C) | 3878 | 4722 | 21.8 |
30-12-2014 | 9 a.m.:16 p.m. |
| 25 kPa (65˚C) | 4276 | 5298 | 23.9 |