Various bio-materials have been examined for their biosorptive properties and different types of biomass have shown
levels of metal uptake high enough (in the order of 1mmol/g) to warrant further research (Crist et al., 1990). Among the
most promising types of biosorbents studied is the algal biomass. The abundance of algae can hardly be overestimated.
Biosorption in algae has mainly been attributed to the cell wall, composed of the fibrilar skeleton (Figueira et al., 1997).