Table 1.

Comparison between O. profundus KBZ 3-2 with other biosorbents.

Metal ion	Biosorbent	Metal ion conc	Adsorption efficiency (%)	Ref
Pb	Pseudomonas sp.	1 mg/L	87.9	27
	S. maltophilia	39.6 mg/L	96	28
	B. iodium	100 mg/L	87	29
	O. profundus KBZ 3–2	50 mg/L	97	This study
Zn	S. maltophilia	20.6 mg/L	96	28
	Pseudomonas sp.	1 mg/L	49.8	27
	Zinc sequestering bacterium VMSDCM	0.21 mol/g of biomass		5
	O. profundus KBZ 3–2	2 mg/L	54	This study