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

Table 3

Thomas model parameters for the removal of Pb²⁺ ions by ZSM-5/AC from aqueous solution.

Parameter		(mL/min mg)	(mg/g)
Rate of flow	2 mL/min		141.3	0.992
	4 mL/min		187.0	0.984
	6 mL/min		185.4	0.990
Bed depth	2 cm		141.3	0.992
	4 cm		169.7	0.991
	6 cm		231.1	0.972
Preliminary concentration	250 mg L^-1		231.1	0.972
	500 mg L^-1		145.7	0.989
	750 mg L^-1		100.3	0.957