Surface Modification of Polypropylene Membrane Using Biopolymers with Potential Applications for Metal Ion Removal

Table 5

Comparative sorbent material for metal ion removal.

Sorbent material	Sorption capacity (mg  de Cu^2+/g)	Process condition	Author
Chitosan pearls	40–200	Batch	Flores et al., 2005 [23]
Chitosan	<150	Batch	Flores et al., 2005 [23]
Chitosan membrane	0.63	Continuous	Mora Molina et al., 2012 [24]
PP-CHI membrane	35.2	Continuous	This work