Table 1
Micro- and trace elemental composition of coal ash zeolites.
| Element | Composition, ppm | ||
|---|---|---|---|
|
|
|||
| HA | AA | FH | |
| Fe | 81,550 | 83,501 | 72,256 |
| Na | 35,579 | 36,343 | 66,149 |
| B | 49 | <300 | 910 |
| Ba | 762 | 724 | 688 |
| Ca | 35,140 | 34,559 | 28,752 |
| Ce | 94 | 89 | 86 |
| Co | 38 | 331 | 45 |
| Cr | 75 | 72 | 55 |
| Cu | 219 | 245 | 182 |
| K | 7521 | 7694 | 6945 |
| La | 40 | 46 | 43 |
| Li | 99 | 73 | 116 |
| Mg | 13,435 | 12,576 | 11,386 |
| Mn | 545 | 533 | 452 |
| Mo | 78 | 476 | 27 |
| Ni | 164 | 319 | 378 |
| P | 233 | 347 | 49 |
| S | 1065 | 1021 | 2406 |
| Sc | 19 | 18 | 19 |
| Sr | 543 | 528 | 476 |
| Ti | 3863 | 3386 | 3645 |
| V | 123 | 123 | 14 |
| Y | 30 | 29 | 31 |
| Yb | 3 | 3 | 3 |
| Zn | 129 | 191 | 103 |
| Zr | 71 | 68 | 105 |
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