Research Article

Relationship between Permeability Coefficient and Fractal Dimension of Pore in Ionic Rare Earth Magnesium Salt Leaching Ore

Table 6

Fractal dimension of pores in each stage of the sample during ore leaching.

Leaching time/hLeaching solutionA1B1C1Leaching solutionA2B2C2
Fractal dimensionGrowth rate/%Fractal dimensionGrowth rate/%Fractal dimensionGrowth rate/%Fractal dimensionGrowth rate/%Fractal dimensionGrowth rate/%Fractal dimensionGrowth rate/%

1Magnesium sulfate solution1.526——1.617——1.332——Deionized water1.421——1.578——1.227——
21.5894.1281.7427.7301.4216.6821.4894.7851.6242.9151.3157.172
31.6785.6011.8868.2661.5629.9231.5242.3511.6511.6631.3673.954
41.7826.1981.9242.0151.6898.1311.5723.1501.6841.9991.4143.438
51.8544.0401.9430.9881.7413.0791.6172.8631.7021.0691.4593.182
61.9243.7761.9560.6691.7782.1251.6481.9171.7140.7051.4821.576
71.9410.8841.9670.5621.7940.9001.6570.5461.7250.6421.4910.607
81.9430.1031.9710.4071.756——1.6610.2411.7330.4641.5020.738