Research Article
Separation Process of Fine Coals by Ultrasonic Vibration Gas-Solid Fluidized Bed
Table 3
Elemental composition of different samples.
| Sample name | Element content/% | MgO | CaO | Fe2O3 | Al2O3 | SiO2 | S | P |
| Original coal | 0.16 | 2.74 | 2.02 | 11.91 | 13.06 | 2.43 | 0.021 | Light product | 0.10 | 0.61 | 0.63 | 9.76 | 12.07 | 1.66 | 0.022 | Heavy product | 0.58 | 2.03 | 3.68 | 20.38 | 39.28 | 6.78 | 0.029 |
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