4. The following data refers to the equilibrium adsorption of phenol from wastewater inot activated carbon...
4. The following data refers to the equilibrium adsorption of phenol from wastewater inot activated carbon at 298 K. Cikg phenol/mº solution 0.35 q, kg phenol/kg carbon 0.154 0.2 0.134 0.1 0.112 0.01 0.063 0.001 0.036 15 marks Determine with proper justification, the isotherms that fit the data. Equilibrium solubility data for Q1: 1 Raffinate phase, weight % water Chlorobenzene Pyridine 99.92 0.08 0 94.84 0.16 5 88.76 0.24 11 80.62 0.38 19 73.42 0.58 26 62.1 1.9 36 50.8 4.2 45 38 9 53 13 38 49 Extract phase, weight % water Chlorobenzene Pyridine 0.05 99.95 0 88 11 1 80 19 2 74 24 2 69 29 2 66 4 61 35 6 53 41 13 38 49 32