Removal of Pb²⁺ Ions by ZSM-5/AC Composite in a Fixed-Bed Bench Scale System

Table 1

Fixed-bed column parameters for the adsorption of Pb²⁺ ions by ZSM-5/AC.

(mg L^-1)	(mL min^-1)	(cm)	(mg)	(mg)	(%)	EBCT (min)
250	2	2	136.6	200	68.6	2.3
250	4	2	190.6	300	63.5	1.7
250	6	2	186.6	330	56.5	1.2
250	2	2	136.6	200	68.6	2.3
250	2	4	161.0	225	71.5	4.5
250	2	6	213.3	270	79.0	6.5
500	2	6	154.7	225	68.7	6.5
750	2	6	93.5	175	53.2	6.5