EVALUATION OF THE ADSORPTION POTENTIAL OF RUBBER (HEVEA BRASILIENSIS) SEED PERICARP-ACTIVATED CARBON IN ABATTOIR WASTEWATER TREATMENT AND IN THE REMOVAL OF IRON (III) IONS FROM AQUEOUS SOLUTION
DOI:
https://doi.org/10.4314/njt.313.563Keywords:
Abattoir waste water, Activated carbon, Adsorption isotherms, Iron (III) chloride, Lagergren equations and Rubber seed pericarpAbstract
The objective of this study was to produce activated carbon from rubber seed pericarp and to evaluate its performance with commercial activated carbon in the treatment of abattoir wastewater as well as its potential in the adsorption of iron (III) ions from aqueous solution. The rubber seed pericarp was carbonized at 400oC and activated with zinc chloride at 800oC to produce Rubber Seed Pericarp Activated Carbon (RSPAC). The results indicated that the treatment efficiency of RSPAC was about 40 - 99% as that of the commercially supplied activated carbon. From the iron (III) batch adsorption studies, the experimental batch equilibrium data was correlated by Freundlich, Langmuir and Temkin isotherms. The Langmuir isotherm model provided the best correlation of the experimental data while the Lagergren pseudo-first order kinetic equations could describe the adsorption kinetics very well. Thus, it was implied that RSPAC may be suitable as adsorbent material for wastewater treatment.
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