Table 4.
Comparison of yield and MBN of some AC produced using palm kernel shell.
| Process parameters |
Response |
||||
|---|---|---|---|---|---|
| Temperature (°C) |
Time (min) |
Concentration (mg/L) |
Yield (%) |
MBN (mg/g) |
|
| This study | 608.9 | 90.02 | KOH | 32.3 ± 20∗∗ | 35.3 ± 11∗∗ |
| Wan et al. (2001) | 500–900 | 60 | - | 24–29 | - |
| Abechi et al. (2013) | 1000 | 45 | KOH | 19.25 | |
| Rajeshwar (2016) | 400 | 240 | H3PO4 | - | 260 |
| Ulfah et al. (2016) | 500 | 30–60 | - | 47.67–48.82 | 14.3–21.6 |
| Norulaina et al. (2017) | 500 | 120 | NaOH | 18.5–43.6 | - |
| Andas et al. (2017) | 700 | 30 | - | 8.931 | 994.83 |
| Rashidi and Yusup (2017) | 850 | 60 | CO2 | 25.15 | - |
| Omar et al. (2017) | 829.4 | 85 | KOH | - | 41.2 |
| Sensitivity 1 | 608.0 | 30 | 0.5 | 27.3 ± 15 | 33.7 ± 17 |
| Sensitivity 2 | 608.0 | 60 | 0.5 | 34.1 ± 08 | 36.0 ± 05 |
∗∗
After laboratory validation.