Research Article
Effect of Ionic Liquid Surfactants on Coal Oxidation and Structure
Table 4
Results of the
and
for different coal samples.
| Coal sample | IL-untc | [HOEtMIm][NTf2]-tc | [HOEtMIm][BF4]-tc | [N8,8,8,1]Cl-tc | [N2,2,2,2]Cl-tc | [C12MIm]Br-tc | [C14MIm]Br-tc |
| | 0.680 | 0.591 | 0.537 | 0.671 | 0.589 | 0.545 | 0.537 | | 0.727 | 0.910 | 0.830 | 0.545 | 0.763 | 0.873 | 0.858 |
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