Effect of Ionic Liquid Surfactants on Coal Oxidation and Structure

<div>FTIR spectra of all coal samples (from top to bottom along the dotted line were the FTIR spectra of IL-untc, [N<sub>8,8,8,1</sub>]Cl-tc, [N<sub>2,2,2,2</sub>]Cl-tc, [C<sub>12</sub>MIm]Br-tc, [C<sub>14</sub>MIm]Br-tc, [HOEtMIm][BF<sub>4</sub>]-tc, and [HOEtMIm][NTf<sub>2</sub>]-tc).</div>

Journal of Analytical Methods in Chemistry

fig7

Figure 7

Figure 7: Effect of Ionic Liquid Surfactants on Coal Oxidation and Structure 