Removal of lead from aqueous solutions by Penicillium biomass.

  title={Removal of lead from aqueous solutions by Penicillium biomass.},
  author={Huan Niu and Xin Sheng Xu and Jerry H. C. Wang and Bohumil Volesky},
  journal={Biotechnology and bioengineering},
  volume={42 6},
The removal of lead ions from aqueous solutions by adsorption on nonliving Penicillium chrysogenum biomass was studied. Biosorption of the Pb(+2) ion was strongly affected by pH. Within a pH range of 4 to 5, the saturated sorption uptake of Pb(+2) was 116 mg/g dry biomass, higher than that of activated charcoal and some other microorganisms. At pH 4.5, P. chrysogenum biomass exhibited selectivity for Pb(+2) over other metal ions such as Cd(+2), Cu(+2), Zn(+2), and As(+3) Sorption preference for… CONTINUE READING

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