Improving Efficiency of Dust Suppression During Underground Coal Mining Using Surfactants
Table 2:
| Spraying parameters | The average dust concentration, mg / m³ | ||||
| The jet's diameter, mm Water Pressure, MPa | 1,0 | 1,5 | 2,0 | 2,5 | 3,0 |
| 1,0 | 81,4 | 84,5 | 88,1 | 92,7 | 94,6 |
| 1,5 | 77,6 | 70,8 | 75,6 | 80,0 | 87,4 |
| 2,0 | 76,9 | 74,2 | 73,3 | 77,4 | 82,8 |
| 2,5 | 82,7 | 78,5 | 76,9 | 84,5 | 80,6 |
| 3,0 | 91,3 | 85,2 | 80,0 | 88,1 | 79,1 |