Thermodynamic Study of Adsorption of Phenol, 4-Chlorophenol, and 4-Nitrophenol on Activated Carbon Obtained from Eucalyptus Seed

Table 1

Textural and acid-base properties of ACs.

ACs	(m^2 g^−1)	Equation DR				Chemistry surface ACs
		(cm^3 g^−1)	(cm^3 g^−1)	(cm^3 g^−1)	(kJ mol^−1)	Total acidity (meq g^−1)	Total basicity (meq g^−1)	pHPZC
ACA15	150	0.084	0.511	0.595	6.920	0.116	0.118	6.5
ACA30	80	0.005	0.015	0.020	2.301	0.162	0.108	6.7
ACB15	780	0.289	0.870	1.159	14.582	0.104	0.462	7.8
ACB30	670	0.283	0.166	0.449	16.055	0.116	0.700	8.5