Research Article
Separation Process of Fine Coals by Ultrasonic Vibration Gas-Solid Fluidized Bed
Table 2
Sulfur content of each layer of product.
| Layer number | Sulfur content/% | 1.2 | 1.4 | 1.6 | 1.8 | 2.0 | 2.2 | 2.4 |
| First layer | 2.12 | 1.76 | 1.34 | 1.25 | 1.22 | 1.58 | 2.25 | Second layer | 2.23 | 2.03 | 1.92 | 1.78 | 1.80 | 1.89 | 2.28 | Third layer | 2.33 | 2.38 | 2.02 | 1.84 | 1.92 | 2.44 | 2.96 | Forth layer | 2.45 | 2.27 | 2.13 | 2.10 | 2.15 | 2.53 | 3.12 | Fifth layer | 5.36 | 6.15 | 6.33 | 6.78 | 6.59 | 5.62 | 4.98 |
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