Table 2.
Constituent elements of different ash
| Element | Weight Percentage (wt%) | |||||
|---|---|---|---|---|---|---|
| Ash A (Liati and Dimopoulos Eggenschwiler 2010) | Ash B (Liati and Dimopoulos Eggenschwiler 2010) | Ash C (Bagi et al. 2018) | Ash D (Bagi et al. 2018) | Ash E (Bagi et al. 2020) | Ash F (Bagi et al. 2020) | |
| Fe | 0.90 | 18.90 | 5.09 | 8.05 | 5.28 | 12.46 |
| Zn | 2.80 | 2.50 | 14.08 | 12.61 | 6.44 | 16.00 |
| Mg | 10.90 | 3.20 | 5.05 | 4.54 | 0.41 | 3.58 |
| Al | 1.00 | 0.20 | 0.57 | 0.68 | 1.50 | 4.45 |
| Si | 1.70 | 1.90 | 0.63 | 0.61 | 3.70 | 0.35 |
| P | 2.10 | 4.90 | 8.22 | 8.22 | 2.04 | 7.09 |
| S | 10.90 | 1.40 | 5.33 | 7.19 | 2.65 | 10.78 |
| K | - | - | 0.27 | 0.31 | 1.93 | 0 |
| Ca | 3.30 | 5.60 | 22.56 | 21.78 | 9.78 | 20.32 |
| Cu | - | - | 0.70 | 0.79 | 0.10 | 0.79 |
| C | 9.50 | 7.30 | 5.88 | 5.61 | 36.30 | 7.58 |
| Na | 1.10 | 0.70 | - | - | - | - |
| O | 55.80 | 53.40 | 31.62 | 29.61 | 29.87 | 16.6 |
The existence of C may be due to the pollution of ambient air and a small amount of coexisting soot