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Biosorption is an innovative technology used to remove heavy metals from aqueous solutions. A wider application of this alternative process is strictly related to the understanding of the chemico-physical aspects involved, in order to optimize the operative conditions. Mechanistic models are the most useful tools used for understanding purposes, even if the empirical models are still widely applied...
Different models were used in order to describe equilibrium data obtained by heavy metal biosorption tests. Arthrobacter sp. biomass was suspended in aqueous solution and tested as biosorbent material for copper and cadmium ions. The effects of pH on biosorption in single metal systems (copper and cadmium) and on the selectivity of biomass in two metal systems (copper-cadmium) was studied. Biosorption...
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