Table 1 Results of chromium separation using bee carcasses and wastes and their composites with polyaniline (contact time 30 min, pH = 6, adsorbent amount 2 g/L).
No | Composite name | Initial Cr conc. (ppm) | Final Cr conc. (ppm) | Cr (VI) removal percentage (%) |
|---|---|---|---|---|
1 | Bee carcasses and wastes | 50 | 38.24 | 23.52 |
2 | Bee carcasses and wastes/polyaniline composite | 50 | 37.02 | 25.96 |
3 | Bee carcasses and wastes/polyaniline/polyethylene glycol composite | 50 | 24.72 | 50.56 |
4 | Activated carbon powder | 50 | 37.12 | 25.76 |
