Table 2 Percent removal of chromium from the real sample solution (diluted 25 times) (contact time 60 min, adsorbent dose 40 g/L, initial pH 3.8)
From: Removal of trivalent chromium from aqueous solution using aluminum oxide hydroxide
Exp. no. | Initial conc. (mg/L) | Final conc. (mg/L) | Average final conc. (mg/L) | % Removal |
|---|---|---|---|---|
1 | 221 | 56.2 | ||
2 | 221 | 56.8 | 56.6 ± 0.3 | 74.4 |
3 | 221 | 56.8 |