Abstract.
Oscillatoria anguistissima rapidly adsorbs Cu2+ from aqueous solution. The adsorption of Cu2+ followed Freundlich Isotherm, and the amount of Cu2+ removed from solution increased with increasing Cu2+ concentration. The adsorption is pH dependent, and maximum Cu2+ removal occurs at pH 5. Of the various pretreatments, HCl treatment of the biomass increased the capacity for Cu2+ removal. Presence of Mg2+ and Ca2+ resulted in decline in the Cu2+ adsorption capacity of Oscillatoria cells. This species could also effectively remove Cu2+ from mine water containing 68.4 μg/ml of Cu2+ at pH 3.45.
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Received: 23 December 1996 / Accepted: 20 February 1997
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Ahuja, P., Gupta, R. & Saxena, R. Oscillatoria anguistissima: A Promising Cu2+ Biosorbent . Curr Microbiol 35 , 151 –154 (1997). https://doi.org/10.1007/s002849900229
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DOI: https://doi.org/10.1007/s002849900229