Table 2 Evaluation for optimizing carbonization parameters.
From: Ultrahigh and kinetic-favorable adsorption for recycling urea using corncob-derived porous biochar
Variables | Levels | ||
|---|---|---|---|
− 1 | 0 | 1 | |
A: Carbonization temperature (°C) | 300 | 400 | 500 |
B: Carbonization time (h) | 1 | 3.5 | 6 |
C: Heating rate (°C/min) | 5 | 10 | 15 |