Table 2 Parameters of heavy metal curve fitting when different sulfur substrates are used
Code | Mlimit | x | p | B | \(T_{{V_{\hbox{max} } }}\) (day) | Vmax (mg/kg/day) | T95% (day) | R2 | |
|---|---|---|---|---|---|---|---|---|---|
Ni | S-A | 30.06 | 3.073 | 2.501 | 32.14 | 2.188 | 7.708 | 10.25 | 0.9618 |
SC-A | 29.87 | 2.939 | 2.772 | 31.41 | 2.238 | 8.461 | 8.675 | 0.9755 | |
R-A | 39.62 | 5.592 | 1.897 | 41.45 | 3.197 | 4.698 | 26.99 | 0.9809 | |
Cu | S-A | 193.5 | 3.850 | 4.890 | 197.2 | 3.537 | 65.31 | 7.06 | 0.9939 |
SC-A | 195.2 | 3.627 | 4.351 | 200.4 | 3.271 | 73.87 | 6.27 | 0.9882 | |
R-A | 214.5 | 6.020 | 5.485 | 215.0 | 5.692 | 50.59 | 10.30 | 0.9974 | |
Zn | S-A | 237.8 | 2.952 | 4.117 | 245.3 | 2.616 | 90.78 | 6.08 | 0.9800 |
SC-A | 247.2 | 2.833 | 4.455 | 252.3 | 2.555 | 104.35 | 5.50 | 0.9882 | |
R-A | 298.6 | 5.088 | 3.185 | 303.7 | 4.147 | 52.53 | 12.92 | 0.9829 |