Investigated parameters | Conditions | Other setup conditions |
1. Mass (g) | Different masses (1, 2, 3, 4) g | Volume (100 ml), time (5 hrs), rpm (700), size (710 - 1400) µm. |
2. Size (µm) | Different sizes (µm) | Volume (100 ml), time (5 hrs), mass (1 g), rpm (700). |
3. Time (hr) | Different time (1, 2, 3, 5, 7, 18, 24) hrs. | Volume (100 ml), mass (1 g), rpm (700), size (710 - 1400 µm) |
4. Speed of mixing (rpm) | Different rpm (300, 500, 900, 1100) | Volume (100 ml), mass (1 g), time (5 hrs), size (710 - 1400 µm) |
5. pH test | pH of the water adjusted by HCl and NaOH solutions | Volume (100 ml), mass (1 g), rpm (700), time (5 hrs), size (710 - 1400 µm) |
6. Effect of temperature on pH value | Temperature and pH | Volume (100 ml), mass (1 g), size (710 - 1400 µm), time (3 hrs), and rpm (700) |