Synthesis and Characterization of Activated Carbon from Agrowastes for the Removal of Acetic Acid from an Aqueous Solution

Table 1

The Langmuir, Freundlich, Temkin, and isotherm model constants as well as correlation coefficients for acetic acid adsorption.

Freundlich
	(mg/g)(L.mg^-1)^1/n
RH-AC	3.4291	3.8747	0.9961
PP-AC	0.8317	2.8574	0.9951
Langmuir
	(mg/g)	(L.mg^-1)
RH-AC	2.9789	0.1329	0.7176
PP-AC	2.2104	0.2435	0.7802
Temkin
	(L/g)	(J/mol)
RH-AC	4.2328	0.2888	0.9028
PP-AC	5.8466	0.2742	0.9006
Frenkel–Halsey–Hill
RH-AC	2.02	1.1478	0.9991
PP-AC	1.76	1.2082	0.9941