Enhanced Removal of Lead by Chemically and Biologically Treated Carbonaceous Materials

Table 5

Effect of foreign ions on the metal capacity values of lead.

Adsorbent	pH	μmol g^−1 capacity of lead in presence of interfering species
		KNO3	NaCl	Ni(AcO)2	CoCl2	CuCl2	Pb(AC)2
Ox-AC	7.0	195	235	290	87	127	200
Rd-AC	7.0	250	200	265	121	212	280
Ox-AC-BY	7.0	480	510	299	126	290	500
Rd-AC-BY	7.0	350	400	309	183	290	390

∗ Values are based on 𝑛=3 with standard deviation of 2.0–5.0%.