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The uptake of copper from aqueous solution by immobilized fungal biomass
Author(s) -
Zhou Jun L.,
Kiff Robert J.
Publication year - 1991
Publication title -
journal of chemical technology and biotechnology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.64
H-Index - 117
eISSN - 1097-4660
pISSN - 0268-2575
DOI - 10.1002/jctb.280520305
Subject(s) - biosorption , rhizopus arrhizus , copper , aqueous solution , chemistry , biomass (ecology) , nuclear chemistry , inorganic chemistry , adsorption , chromatography , sorption , organic chemistry , oceanography , lipase , enzyme , geology
The removal of cupric ions from aqueous solution by a biosorption column in which the Rhizopus arrhizus fungal biomass was immobilized in reticulated foam biomass support particles was studied. Solution pH was found to be crucial to copper uptake, with the optimum range being 6·7–7·0. The removal efficiency was usually higher at low influent copper concentration and long residence time. The presence of other cations and anions inhibited copper uptake in the following order: for the cations, Mn 2+ ≫ Zn 2+ > Cd 2+ > Mg 2+ > Ca 2+ ; for the anions, EDTA ≫ SO 4 2‐≫ Cl − . The biosorption process was fully reversible and regenerated columns showed undiminished performance.