Research Article
Adsorptive Removal of Hexavalent Chromium by Diphenylcarbazide-Grafted Macadamia Nutshell Powder
Table 2
PFO and PSO kinetic parameters for adsorption of Cr(VI) by MHP and MHPD.
| Parameters | 20 MHP | 35 MHP | 50 MHP | 20 MHPD | 35 MHPD | 50 MHPD |
| (mg/g) | 18.11 | 18.96 | 22.5 | 58.77 | 56.89 | 56.81 | (mg/g) | 21.26 | 17.05 | 21.77 | 57.96 | 55.80 | 53.58 | (1/min) | 0.0107 | 0.0224 | 0.0325 | 0.1286 | 0.0644 | 0.151 | | 0.939 | 0.615 | 0.940 | 0.799 | 0.967 | 0.637 | | 41.71 | 14.04 | 11.24 | 0.40 | 5.93 | 0.780 | (mg/g) | 31.09 | 20.82 | 25.73 | 59.52 | 60.25 | 56.78 | (g/mg min) | 0.0025 | 0.00117 | 0.00147 | 0.0085 | 0.00198 | 0.00863 | | 0.942 | 0.725 | 0.936 | 0.896 | 0.881 | 0.887 | | 89.12 | 26.83 | 22.1 | 0.95 | 11.72 | 2.19 |
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