Table 6 Initial and final concentrations of residues in pesticide wastewater.
SN | Pesticide residues | Initial concentrations (ng L−1) | Concentrations at equilibrium (ng L−1) | |||
|---|---|---|---|---|---|---|
Biomag | MagNPs | Biomag-CMC | MagNPs-CMC | |||
1 | α-BHC | 1.10 | 0.05 | ND | ND | 0.52 |
2 | β-BHC | 0.98 | 0.59 | – | 0.05 | ND |
3 | γ-BHC | 1.01 | 0.65 | ND | 0.09 | 0.17 |
4 | Heptachlor | 0.97 | 0.81 | 1.01 | 0.29 | 0.30 |
5 | δ-BHC | 0.93 | 0.30 | 0.17 | 0.70 | 0.16 |
6 | Aldrin | 1.03 | 0.54 | 0.47 | 0.14 | 0.38 |
7 | Heptachlor epoxide | 0.99 | ND | 0.33 | ND | ND |
8 | γ-Chlordane | 1.07 | 0.20 | ND | 0.85 | 0.66 |
9 | α-Chlordane | 0.98 | ND | 0.67 | 0.99 | ND |
10 | Endosulfan I | 1.28 | 0.20 | 0.21 | ND | ND |
11 | P,p′-DDE | 1.16 | 0.17 | 0.35 | 1.18 | 0.04 |
12 | Dieldrin | 1.76 | 0.40 | 0.08 | 0.70 | 0.14 |
13 | Endrin | 0.89 | ND | 1.30 | 0.61 | 0.30 |
14 | P,P′-DDD | 0.98 | 0.18 | ND | 0.17 | ND |
15 | Endosulfan II | 1.21 | ND | ND | ND | ND |
16 | P,P′-DDT | 1.37 | ND | ND | 0.18 | ND |
17 | Endrin aldehyde | 1.20 | ND | ND | 0.08 | ND |
18 | Endosulfan sulphate | 1.11 | ND | ND | 0.90 | ND |
19 | Methoxychlor | 0.90 | ND | ND | ND | ND |
20 | Endrin ketone | 1.74 | ND | ND | ND | ND |
