Research Article

Enhanced Removal of Lead by Chemically and Biologically Treated Carbonaceous Materials

Figure 3

Langmuir’s adsorption isotherms of lead sorption by hybrid active carbons (a) Ox-AC, (b) Ox-AC-BY, (c) Rd-AC and (d) Rd-AC-BY.
604198.fig.003a
(a)
604198.fig.003b
(b)
604198.fig.003c
(c)
604198.fig.003d
(d)