Fixed-Bed Adsorption of an Azo Dye (Methyl Orange) onto Chemically and Thermally Regenerated Activated Carbons

Table 6

Comparison of the results of the equilibrium adsorption capacity of MO by the materials studied (a) in batch and column mode and (b) with other results from the literature.

(a) Adsorption capacities at equilibrium time
			Column adsorption (this work)		Batch mode [44]
	Co (mg/L)	m (g)	Qexp (mg/g)		Qexp (mg/g)
CA	10	0.2	9.25		4.87
CAR400	10	0.2	2.50		4.24
CAR700	10	0.2	5.73		3.99
CAR900	10	0.2	6.75		1.59
(b) Comparison with other work on MO
	Co (mg/L)	Z (cm)	F (mL/min)	Qexp (mg/g)	References
Surfactant-modified chitosan-clinoptilolite composite	100	1.4	7.5	32.09	[45]
Polypyrrole-based activated carbon	30	0.7	1.1	69.1	[10]
Iron-based metal-organic framework	15	1.5	270	21.6	[46]
Natural Garmak clay	100	10.5	5	8.92	[47]
CA	10	1.1	1.5	16.90	This work
CAR400	10	1.1	1.5	9.05	This work
CAR700	10	1.1	1.5	8.78	This work
CAR900	10	1.1	1.5	15.72	This work