TABLE 1.

Influence on the process parameters used in the breakthrough curve analysis

	Parameters	tb(min)	Vt(mL)	ttotal(min)	mtotal(g)	qtotal(mg)	qbed(mg/g)	%Removal
Inlet concentration of Cr (VI) ions (mg/L)	100	1400	17,250	3650	1725	1047.97	209.2	60.6
	200	800	12,500	2500	2500	1118.03	223.6	44.7
	300	500	10,500	2100	3150	1260	252	40
Bed depth (cm)	2	700	11,200	2240	1120	520	173.3	46.4
	3	800	14,200	2840	1420	800	200	56.3
	4	1400	17,250	3650	1725	1047.97	209.2	60.6
Flow rate (mL/min)	4	1400	17,250	3650	1725	1047.97	209.2	60.6
	5	800	16,100	2683	1610	900	204	55.9
	6	600	15,200	2171	1520	770	168	50.6