Table 3 Experimental design for optimization of carbonization parameters.
From: Ultrahigh and kinetic-favorable adsorption for recycling urea using corncob-derived porous biochar
Run | A: Carbonization temperature (°C) | B: Carbonization time (h) | C: Heating rate (℃/min) | Urea adsorption (mg/g) |
|---|---|---|---|---|
1 | 300.00 | 1.00 | 10.00 | 288.83 |
2 | 300.00 | 3.50 | 15.00 | 376.50 |
3 | 300.00 | 3.50 | 5.00 | 359.54 |
4 | 300.00 | 6.00 | 10.00 | 443.18 |
5 | 400.00 | 6.00 | 5.00 | 380.50 |
6 | 400.00 | 3.50 | 10.00 | 375.65 |
7 | 400.00 | 3.50 | 10.00 | 375.65 |
8 | 400.00 | 1.00 | 15.00 | 384.70 |
9 | 400.00 | 3.50 | 10.00 | 375.65 |
10 | 400.00 | 3.50 | 10.00 | 375.65 |
11 | 400.00 | 3.50 | 10.00 | 375.65 |
12 | 400.00 | 1.00 | 5.00 | 409.49 |
13 | 400.00 | 6.00 | 15.00 | 484.60 |
14 | 500.00 | 6.00 | 10.00 | 568.09 |
15 | 500.00 | 1.00 | 10.00 | 480.59 |
16 | 500.00 | 3.50 | 5.00 | 356.98 |
17 | 500.00 | 3.50 | 15.00 | 518.98 |