Table 3.

Influence of contact time on the bioremoval efficiency (%) and uptake capacity (mg/g) of metal ions (Ni²⁺, Pb²⁺, Mn²⁺ and Zn²⁺) by the dead biomass of the fungus NRCA8

Contact time (min)	Metal ions
	Mn2+		Ni2+		Pb2+		Zn2+
	Removal (%)	Uptake (mg/g)	Removal (%)	Uptake (mg/g)	Removal (%)	Uptake (mg/g)	Removal (%)	Uptake (mg/g)
10	22.12	1.31	22.13	1.16	71.25	4.56	19.50	2.29
20	25.25	1.49	33.74	1.77	89.50	5.73	24.60	2.89
30	28.81	1.70	40.86	2.15	91.56	5.86	32.17	3.78
60	27.29	1.61	39.67	2.08	90.91	5.82	31.43	3.69
90	25.85	1.53	39.19	2.06	90.39	5.79	31.43	3.69
180	25.17	1.49	39.14	2.06	90.94	5.82	31.13	3.66