Research Article
Application of Treatment for Deep Hole Drilling Debris in Gas-Rich Soft Coal Seams
Table 1
Basic parameters of magnet powder and magnet powder suspension.
| | Magnet powder | Magnet powder suspension | | Moisture content (%) | Magnetic content (%) | Total sulfur (%) | Density (103kg/m3) | Dynamic viscosity (×10-3pa·s) | Density (103kg/m3) | Volumetric concentration (%) | Particle size (mm) |
| | 7.6 | 95.57 | 0.18 | 4.67 | 4.89 | 1.95 | 25 | <0.147 |
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