Table 4 Thermodynamic parameters
From: Biosorption of Congo Red from aqueous solution by crab shell residue: a comprehensive study
Conc. (mg/L) | ΔH° (kJ/mol) | ΔS° (kJ/mol) | ΔG° (kJ/mol) | |||
|---|---|---|---|---|---|---|
20 °C | 30 °C | 40 °C | 50 °C | |||
25 | 20.22796 | 0.143417 | −21.6274 | −23.625 | −24.5738 | −26.0701 |
75 | 24.51799 | 0.148571 | −19.0691 | −20.4903 | −22.0466 | −23.5067 |
100 | 19.21365 | 0.132109 | −19.1127 | −21.5289 | −22.1606 | −23.2494 |
150 | 24.74246 | 0.144497 | −20.2918 | −19.1767 | −20.2862 | −22.0822 |
200 | 12.34629 | 0.108165 | −19.6155 | −20.3043 | −21.0846 | −23.0165 |