Table 1.
Chemical contents of ore.
Fig 1.
Sample grading curve.
Fig 2.
Schematic diagram of the test device.
Fig 3.
Details of the test device.
Fig 4.
Physical diagram of the test device.
Table 2.
Experimental grouping.
Fig 5.
Sample structures of groups A and B before and after testing.
Fig 6.
Changes in ore porosity before and after group A and B tests.
(a)Porosity change diagram of group A before and after test. (b)Porosity change diagram of group B before and after test. (c)Porosity change diagram of groups A and B before test. (d)Porosity change diagram of groups A and B after test.
Fig 7.
Schematic diagram of percentage change of ore porosity after group A and B tests.
Fig 8.
Change diagrams for permeability coefficients in the column immersion test.
(a) Permeability coefficient change diagram of group A before and after test. (b)Permeability coefficient change diagram of group B before and after test. (c) Permeability coefficient change diagram of groups A and B before test. (d) Permeability coefficient change diagram of groups A and B after test.
Fig 9.
Permeability coefficient differences before and after testing of groups A and B.
Fig 10.
Changes in permeability coefficients with column height.
Fig 11.
Change curves for copper leaching rates in the column leaching tests.
Fig 12.
Schematic diagrams of particle migration and deposition.
(a) Direct plugging. (b) Bridge plugging. (c) Narrow pore section.
Fig 13.
Schematic diagram for total potential energy.
Fig 14.
Ore crystal surfaces before and after the addition of surfactant.