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ABSTRACT
Copper adsorption by free and immobilized mycelia of Aspergillus niger B77 in batch as well as in column mode experiments was investigated. The adsorption phenomena were expressed by linear, Langmuir and Freundlich models. Immobilized on polyurethane foam mycelia showed a 3 times increase of uptake compared to the free cells, resp. In the presence of glucose enhanced Cu2+ -uptake was observed both with free and immobilized cells. The removal efficiency (mg Cu2+ removal/mg Cu2+ added) in the column system reached more than 99% before the break-point attainment.