Table 3.
Comparison of the maximum dissolved concentrations of PTMs in static soaking and dynamic leaching tests with Chinese standards for drinking water quality (bold values exceed the standards).
| PTM | Chinese Standards for Drinking Water Quality (GB5749-2022) |
Sintered Slag | Waste Slag | Weight (wi) |
Relative Weight (Wi) |
|
|---|---|---|---|---|---|---|
| (mg/L) | Static Soaking |
Dynamic Leaching |
Static Soaking | |||
| Cd | ≤0.005 | —— | 0.002 | —— | 5 | 0.278 |
| Cr | ≤0.05 | 0.036 | 0.038 | 0.04 | 5 | 0.278 |
| Cu | ≤1 | —— | 0.177 | 0.821 | 2 | 0.111 |
| Mn | ≤0.1 | 0.158 | 1.93 | 0.386 | 5 | 0.278 |
| Ni | ≤0.02 | 0.0086 | 0.166 | 0.174 | 1 | 0.056 |