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 irradiationPermeability after microwave irradiationPermeability before microwave irradiationPermeability after microwave irradiationPermeability before microwave irradiationPermeability after microwave irradiation

0.99772.22850.56140.87990.24011.2214196.37%
0.50830.82160.22450.86020.16250.6571216.39%
0.34600.57760.22251.60770.15250.6726343.51%
0.23440.76240.18030.85720.14901.3361465.80%
0.22880.58880.15670.79120.08350.7818466.18%