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

Table 4

Adsorption parameter of the Thomas model for the different diameters of the columns at a constant flow rate.

Parameters	Materials	D (mm)	KTH (mL·mg^−1·min^−1)	qo (mg·g^−1)
Co = 10 mg·L^−1; F = 1.5 mL·min^−1	CA	5	0.001020	13,275.73	0.63
	CAR400		0.000210	−12,907.14	0.91
	CAR700		0.000690	10,263.04	0.83
	CAR900		0.000350	19,097.14	0.43
	CA	7	0.000920	10,858.69	0.71
	CAR400		0.002760	51,24.46	0.94
	CAR700		0.001840	5,995.10	0.80
	CAR900		0.001380	9,028.86	0.85
	CA	9	0.001050	5,578.57	0.86
	CAR400		0.000310	−23,383.06	0.89
	CAR700		0.000105	5,207.86	0.96
	CAR900		0.000740	91.22	0.90