Research Article

Adsorption of Hexavalent Chromium from Aqueous Solution Using Chemically Activated Carbon Prepared from Locally Available Waste of Bamboo (Oxytenanthera abyssinica)

Table 4

Thermodynamic parameters for the adsorption of Hexavalent Chromium ion on BWAC at different temperatures.

(K) (kJ/mol) (kJ/mol) (kJ/mol·K)

298.23.340−8.28−18.9120.06614
308.23.7145−9.518
318.27.3666−19.488