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The bioremediation of Pb2+, Cu2+, Ni2+, and Co2+ ions onto Aureobasidium pullulans biomass was studied in batch procedure. The extents to which the experimental variables such as pH, contact time, stirring rate, and temperature affect the efficiency of biosorption were examined. The optimum values of pH (pH = 5), amount of biomass, and contact time (1 day) were found to be 5.0, 1 g, and 24 h, respectively...
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