Bioremediation: Sorption of Cu2+, Fe3+, Mn2+, and Zn2+ Using Immobilized Ficus sycomorus Leaves Biomass

Authors

  • Ayodele Akinterinwa Department of Chemistry, Modibbo Adama University of Technology, Yola, P.M.B 2076, Adamawa State, Nigeria
  • I. I. Nkafamiya Department of Chemistry, Modibbo Adama University of Technology, Yola, P.M.B 2076, Adamawa State, Nigeria
  • Mustapha Adamu Department of Chemistry, Modibbo Adama University of Technology, Yola, P.M.B 2076, Adamawa State, Nigeria
  • J. I. Japari Department of Chemistry, Modibbo Adama University of Technology, Yola, P.M.B 2076, Adamawa State, Nigeria

DOI:

https://doi.org/10.37591/jowppr.v3i1.339

Abstract

Sorption of Fe3+, Mn2+, Zn2+, and Cu2+ by immobilized Ficus sycomorus leaves (IFSL) in aqueous solution was studied in this work. The sorption capacity (in percentage) was calculated with respect to the remnant ion concentration, determined using atomic absorption spectrophotometer (AAS) and these were obtained for the metal ions as follows; Fe3+: 99.84±0.0015%, Mn2+: 99.97±0.0005%, Zn2+: 84.10±0.0094% andCu2+: 94.32±0.0033%. Some conditions that influence the sorption capacity of metal ions such as; pH, contact time, ionic strength, and initial metal ion concentration were also investigated. Results show that metal ion uptake by the biosorbent decreased with increase in ionic strength while increase in initial metal ion concentration led to increase in metal ion uptake. Maximum sorption was found to occur at pH of 5.0, 5.0, 6.0 and 5.0 for Fe3+, Mn2+, Zn2+ and Cu2+ respectively. The ability of the IFSL to remove these metal ions from aqueous solution is encouraging, hence its extended potentials in bioremediation of wastewaters.

 

Keywords: Bioremediation, Ficus sycomorus, immobilization, metal ions, sorption

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Published

2019-03-02

Issue

Vol. 3 No. 1 (2016)

Section

Articles

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