The metal uptake at pH 2 is negligible, thus indicating the possibility for using this pH effect for metal elution and biomass regeneration. In fact, at pH 2, Zn(II) has been leached out of the biomass and into solution.
The metal uptake at pH 2 isnegligible, thus indicating the possibility for using thispH effect for metal elution and biomass regeneration.In fact, at pH 2, Zn(II) has been leached out of thebiomass and into solution.