Table 7 Ratio of test samples.
Serial number | Cr6+ content/mg/kg1 | Cr3+ content/mg/kg1 | Contaminated soil/g | CaS5/times | Zeolite synthesized from fly ash/g | Cement/g | Deionized water/mL |
|---|---|---|---|---|---|---|---|
1 | 1000 | 1165 | 260 | 3 | 60 | 80 | 88 |
2 | 3000 | 3500 | 260 | 3 | 60 | 80 | 88 |
3 | 5000 | 5835 | 260 | 3 | 60 | 80 | 88 |
