Table 6 Calculating apparent constant of Fe(II) and Cr(VI) under different pH conditions
Case | pH | CCr(VI) (mg/L) | k (Ms−1) | t1/2(s) |
|---|---|---|---|---|
Hyproxia | 3 | 20 | 0.198 | 3.502 |
4 | 0.167 | 4.159 | ||
5 | 0.159 | 4.363 | ||
6 | 0.167 | 4.159 | ||
7 | 0.170 | 4.068 | ||
8 | 0.238 | 2.915 | ||
Anoxic | 3 | 20 | 0.185 | 3.751 |
4 | 0.189 | 3.661 | ||
5 | 0.153 | 4.522 | ||
6 | 0.161 | 4.295 | ||
7 | 0.188 | 3.683 | ||
8 | 0.210 | 3.299 |