Improving Efficiency of Dust Suppression During Underground Coal Mining Using Surfactants
Table 1:
| Names of micro-components | The content of micro-components in samples of coal mines,% | |||
| Kiov's Minecoal bed Polenovskiy | Polisaevskaya Mine, coal bed Breevskiy | Taldinskaya – Zapadnaya-1coal bed 67 | Ruban's Mine coal bedNadbaykaimsky | |
| coal rank | G | G | DG | D |
| Vt, % | 92,7 | 89,7 | 85,0 | 84,3 |
| Sv, % | - | 2,3 | 2,0 | 1,2 |
| L,% | 2,6 | 2,4 | 2,0 | 6,2 |
| I,% | 4,7 | 5,6 | 11,0 | 8,3 |
| ∑ОК,% | 4,7 | 7,3 | 12,0 | 9,2 |
| R0,% | 0,69 | 0,74 | 0,66 | 0,63 |