Table 3 Testing data for the pore structure of various coal samples.
Solution type | Group | BETSSA (m2/g) | Overall pore capacity (10−3cm3/g) | pore capacity (10−3cm3/g) | Mean pore dimension. (nm) | ||
|---|---|---|---|---|---|---|---|
Vmic | Vmes | Vmac | |||||
Raw coal | C1 | 8.053 | 8.786 | 1.044 | 5.981 | 1.761 | 9.406 |
0.05 wt% SAS60 | C2 | 7.905 | 9.076 | 0.958 | 6.245 | 1.873 | 10.632 |
0.05 wt%SAS60 + 0.1 wt%Na2CO3 | C3 | 8.094 | 9.485 | 1.102 | 6.368 | 2.015 | 10.861 |
0.05 wt%SAS60 + 1.0 wt%Na2CO3 | C4 | 8.706 | 10.743 | 1.312 | 7.162 | 2.269 | 11.832 |