Enhanced Removal of Lead by Chemically and Biologically Treated Carbonaceous Materials

Table 1

Hybrid chemically and biologically modified-active carbon biosorbents.

Symbol	Sorbent
AC	Active carbon
Ox-AC	Oxidized active carbon by nitric acid
Rd-AC	Reducing active carbon by sodium sulfite
Ox-AC-BY	Oxidized active carbon by nitric acid and modified by baker’s yeast
Rd-AC-BY	Reducing active carbon by sodium sulfite and modified by baker’s yeast