Research Article
Enhancement of Coal Permeability Using Aqueous NaCl with Microwave Irradiation
Table 7
Changes in coal moisture content after microwave irradiation (%).
| NaCl concentration, (g/L) Moisture content, (%) | | | | Average growth rate | Permeability before microwave irradiation | Permeability after microwave irradiation | Permeability before microwave irradiation | Permeability after microwave irradiation | Permeability before microwave irradiation | Permeability after microwave irradiation |
| | 0.9977 | 2.2285 | 0.5614 | 0.8799 | 0.2401 | 1.2214 | 196.37% | | 0.5083 | 0.8216 | 0.2245 | 0.8602 | 0.1625 | 0.6571 | 216.39% | | 0.3460 | 0.5776 | 0.2225 | 1.6077 | 0.1525 | 0.6726 | 343.51% | | 0.2344 | 0.7624 | 0.1803 | 0.8572 | 0.1490 | 1.3361 | 465.80% | | 0.2288 | 0.5888 | 0.1567 | 0.7912 | 0.0835 | 0.7818 | 466.18% |
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