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- W32969156 abstract "The aim of this work is to investigate the key parameters and mechanism affecting the removal of Pb(II) metal ion from aqueous streams, using agricultural waste materials adsorbents such as leaf base (petiole) and fiber of the date palm, not as nature form but after being modified to activated carbon for increasing their sorption capabilities. Using Batch mode, the study showed the equilibrium time was relatively fast and equilibrium was reached after about 30 and 40 min, for Pb(II) by leaf and fiber respectively, the obtained result indicated that over pH range (6.5-7) there is an increased optimum of adsorption, (0.5g) of adsorbent weight is very ideal to obtain the best adsorption, the removal of Pb(II) ions by adsorbents decreased with the increase of temperature, indicating that the adsorption process was exothermic in nature. The isotherms of Pb(II) ions on the two adsorbents obeyed Langmuir isotherm better than Freundlich isotherm. Thermodynamic parameters such as (ΔG o ), (ΔH o ) and (ΔS o ) have been evaluated. It has been found that the sorption process was feasible, spontaneous and exothermic in nature. Calculated kinetic parameters showed that the pseudo first order model is best fit to the experimental data. Adsorption process is best method for removal of metal from waste water because it is simple, time saving, inexpensive, high efficiency regeneration of adsorbents." @default.
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- W32969156 date "2014-01-01" @default.
- W32969156 modified "2023-09-24" @default.
- W32969156 title "Thermodynamic and Kinetic Studies of Lead Adsorption from Aquesous Solution onto Petiole and Fiber of Palm Tree" @default.
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