Effective removal of lead (II) using chitosan and microbial adsorbents: Response surface methodology (RSM).

Abstract The ability of chitosan (1% w/v), Bifidobacterium longum (108 CFU mL−1) and Saccharomyces cerevisiae (108 CFU mL−1) separately or in combination (chitosan/B. longum, chitosan/S. cerevisiae, B. longum/S. cerevisiae) was assessed for lead (II) removal from aqueous solutions. The results showed chitosan/B. longum adsorbent had higher adsorption percentage in comparison with other adsorbents (p