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Articles by A.A. Adebayo
Total Records ( 2 ) for A.A. Adebayo
  A.A. Tafida , A.A. Adebayo , M. Galtima , A. Raji , M. Jimme and C.T. John
  Rural communities in Nigeria have suffered some neglect in terms of development over the years. Most of these communities are isolated and the community members are dependent mostly on the natural resource base for their survival and well-being. Fishing communities in Kainji Lake Basin (KLB) are not exceptional to that fact and their major resource base (fishery) is fast depleting due to poor management and over exploitation. The effect of resource decline does not only stop at poor catch but translates to poor income and poor well-being of fishing households. Livelihood diversification has been identified as a good option that lessens vulnerability, enhance well-being and improve rural economy. This study highlights the contributions of various livelihood activities and the best activity combination from empirical data collected from 30 fishing communities selected from 297 communities using stratification technique. Production function model and descriptive statistics were used for the analysis.
  M.A. Adebayo , J.F. Adediji , A.A. Adebayo and O.T. Adebayo
  The biosorption of Ni2+ by Streblus asper, biomass was investigated in single metal solution. Batch kinetic studies were carried out in order to determine effect of adsorbent and adsorbate dose, pH of solution, agitation time and temperature on biosorption of Streblus asper. The maximum Ni2+ biosorption was obtained at pH 6.0. The equilibrium nature of Ni2+ biosorption was described by the Freundlich and Dubinin-Radushkevich isotherms. The value of n, the intensity of adsorption, is ≈2 indicating that Ni2+ is favourably biosorbed by Streblus asper. The saturation capacity, qm, of Ni2+ by Streblus asper was calculated to be 40.48 mg g-1. The value of the mean free energy of biosorption was calculated to be 4082.48 kJ mol-1 which indicates that the biosorption may occur via a chemical ion-exchange mechanism. The results of the thermodynamic investigations indicated that the adsorption reactions were spontaneous (ΔG<0), endothermic (ΔH>0) and irreversible (ΔS>0). The pseudo second-order kinetic model was used to analyse the kinetic data. The second order rate constants for the biosorption of Ni2+ from solutions by Streblus asper was evaluated to be 1.35 g mg-1 min-1.
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