Biological adsorption refers to absorb heavy metals with bio-mass, which is a chemical physics that occurred during heavy metals with bio-mass to charge.
Adsorption of biological means to absorb heavy metals with biomass. The physicochemical actions that occur during heavy metals that are charged with the biomass.
Biosorption refers to the adsorption of heavy metals by microbial biomass, which is the act of chemistry, physics, occurred between heavy metal ions with biomass.