Table 4 Free energy change Gibbs (ΔG) calculated by the Langmuir and Temkin equations and characteristic energy (E) calculated by the Dubinin Radushkevich’s equation
From: Comparative study of the adsorption of acetaminophen on activated carbons in simulated gastric fluid
Parameters | Models | NE | NB | ML |
|---|---|---|---|---|
ΔG (kJ/mol) | Langmuir (TI) | − 4.6 | − 3.3 | − 3.25 |
ΔG (kJ/mol) | Temkin | −13.7 | −11.4 | −8.5 |
E (kJ/mol) | Dubinin-Radushkevich | 5 | 5 | 4.8 |