Research Article
Solidification/Stabilization of Fly Ash from a Municipal Solid Waste Incineration Facility Using Portland Cement
Table 5
The percentage of possible ion forms of Cu(II) and Cr(VI).
| | | pH | Percentage of possible ion forms (%) | | | A | B | C | D | E | F |
| | Cr(VI) | 10.0 | | | — | — | — | — | | | 99.987 | 0.013 | — | — | — | — | | 11.0 | | — | — | — | — | — | | | 99.999 | — | — | — | — | — | | 12.0 | | — | — | — | — | — | | | 100 | — | — | — | — | — |
| | Cu(II) | 10.0 | CuOH+ | | Cu(OH)2 | | | — | | | 0.036 | 0.262 | 0.466 | 0.155 | 99.081 | — | | 11.0 | CuOH+ | | | Cu(OH)2 | | | | | 0.016 | 0.236 | 11.594 | 2.065 | 0.030 | 86.059 | | 12.0 | | | Cu(OH)2 | | — | — | | | 16.717 | 81.539 | 1.443 | 0.300 | — | — |
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