Table 2. Chemical Components of Chromium-Containing Sludge (wt %).
| Pb | O | Cr | Fe | Cu | Na | Cl | S | Ba | Sn | Ca | other |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 23.24 | 22.11 | 12.90 | 9.74 | 10.95 | 5.35 | 5.46 | 2.47 | 4.00 | 1.9 | 0.79 | 1.09 |
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