|
|
Table 4. Langmuir
isotherm parameters. |
|
pH |
Pb2+ |
Cd2+ |
||||
|
qmax (mg/g) |
KL (L/g) |
R2 |
qmax (mg/g) |
KL (L/g) |
R2 |
|
| 2 |
5.01 |
0.097 |
0.760 |
2.51 |
0.067 |
0.849 |
| 3 |
10.40 |
2.39 |
0.789 |
9.0 |
1.66 |
0.845 |
| 4 |
39.71 |
6.32 |
0.880 |
34.8 |
1.96 |
0.916 |
| 5 |
54.80 |
8.41 |
0.955 |
43.7 |
2.46 |
0.921 |
| 6 |
68.50 |
10.18 |
0.964 |
65.5 |
2.60 |
0.938 |
| 7 |
88.50 |
15.62 |
0.986 |
56.1 |
1.51 |
0.901 |
| 8 |
86.8 |
14.96 |
0.970 |
56.5 |
1.37 |
0.923 |
|
|