Table 5 Thermodynamic parameters of KBBC-700, KBBC-800 and KBBC-900 for MB adsorption at different temperatures
From: Removal of methylene blue by porous biochar obtained by KOH activation from bamboo biochar
Sample | T (K) | ΔG0 (kJ/mol) | ΔH0 (kJ/mol) | ΔS0 (J/(mol·K)) | R2 |
|---|---|---|---|---|---|
KBBC-700 | 288 | −6.425 | 3.88 | 35.78 | 0.996 |
298 | −6.569 | ||||
308 | −6.675 | ||||
KBBC-800 | 288 | −9.525 | 6.77 | 56.65 | 0.975 |
298 | −9.814 | ||||
308 | −9.963 | ||||
KBBC-900 | 288 | −14.82 | 16.66 | 109.4 | 0.991 |
298 | −15.46 | ||||
308 | −15.90 |