Research Article

Adsorbent Ability of Treated Peganum harmala-L Seeds for the Removal of Ni (II) from Aqueous Solutions: Kinetic, Equilibrium and Thermodynamic Studies

Table 4

Thermodynamic constants for the adsorption of Ni ions on TPHS.

(K) (kJ/mol) (kJ/mol) (kJ/mol·K)

288−4.93611.9790.0587
298−5.570
308−6.065
318−6.731