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Evaluation of Some Physical Properties on the Sorption Capacity of Detarium microcarpum Seed Membrane

S. A. Osemeahon, E. A. Agala, A. M. Kolo, A. Akinterinwa

Abstract


The membrane of Detarium microcarpum seeds (DMM) was developed. The bio-sorbent was used for the removal of Pb2+, Cd2+, Fe3+, Cu2+, Cr3+ and Mn2+ in aqueous solution. Membrane sorption capacities were found to be : 96.80%, 96.63%, 94.04%, 91.45%, 87.82% and 87.29% for Cd2+, Cr3+, Mn2+, Fe3+, Pb2+ and Cu2+, respectively. The sorption behavior with respect to pH, contact time, ionic strength and initial metal ion concentration were investigated so as to determine the optimum sorption conditions. The result showed that metal ion sorption by the membrane increased with increasing initial metal ion concentration, pH values and contact time while metal ion sorption decreased with increasing ionic strength. Maximum sorption was found to occur at pH 5 for all the six metal ions studied. The study reveals that the ability of the membrane to remove some heavy metal ions from aqueous solution is encouraging and may be used in bioremediation of wastewater.

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DOI: https://doi.org/10.37628/jpcip.v2i2.187

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