Biosorption of Copper (II) by Aspergillus flavus (ED4)Journal: International Journal of Science and Research (IJSR) (Vol.3, No. 1)
Publication Date: 2014-01-05
Authors : Mathan Jayaraman; Rajendaran Arumugam;
Page : 335-340
Keywords : Biosorption; waste water; Aspergillus flavus; Cu II;
The biosorption ability of Cu (II) using Aspergillus flavus and initial biomass were also studied. Results showed that the biosorption process was strongly affected by the pH value and initial concentration for both the metals. The optimum pH value for Cu (II) was observed in the range of 5. Maximum absorption was observed for Cu (II) when the initial concentration was maintained at 1mg ml-1 and 29 C. Cu (II) shows increasing biosorption trend when the initial biomass concentration was increased from 1mg ml-1 to 10 mg ml-1. Desorption studies shows that Cu (II) were successfully recovered up to 80 % using 0.1 N NaOH and 0.1 N HNO3 respectively.
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