Table 1 Levels of \({\text{Cd}}_{{({\text{aq}})}}^{ 2+ }\) and \({\text{Pb}}_{{({\text{aq}})}}^{ 2+ }\) in the industrial effluents before adsorptive treatment
Samplea | Cd2+ (mg/l)b | Pb2+ (mg/l)b |
|---|---|---|
A (textile industry) | 0.66 ± 0.01 | 0.13 ± 0.01 |
B (tanning industry) | 0.69 ± 0.01 | 0.39 ± 0.03 |
C (tanning industry) | 0.82 ± 0.02 | 0.52 ± 0.02 |
D (packaging materials industry) | 0.98 ± 0.01 | 0.92 ± 0.01 |
E (insecticide industry) | 1.02 ± 0.03 | 1.18 ± 0.01 |
F (textile industry) | 1.08 ± 0.01 | 1.32 ± 0.02 |
G (tanning industry) | 1.26 ± 0.02 | 2.09 ± 0.01 |
H (textile) | 1.30 ± 0.04 | 2.87 ± 0.02 |
I (tanning industry) | 1.42 ± 0.02 | 3.26 ± 0.03 |
J (tannery) | 2.06 ± 0.05 | 4.57 ± 0.03 |