Songtao Dang, J. Kawasaki, L. Abella, J. Auresenia, H. Habaki, P. Gaspillo, Q. N. Vu
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AN INVESTIGATION ON THE REMOVAL OF ARSENIC FROM SIMULATED GROUNDWATER BY ADSORPTION USING IRON AND IRON OXIDE[III]
This work aims to investigate the removal of arsenic from the simulated groundwater by batch adsorption using Iron (ZVI) and Iron[III] Oxide (IO). The effect of initial arsenic concentration, adsorbent dose and pH were investigated. Adsorption equilibrium and its kinetics were also studied. The results showed that both ZVI and IO have a high efficiency for adsorption of arsenic from groundwater. Langmuir isotherm described well the adsorption equilibrium and the pseudo-second order kinetic model gave the best fit with the experimental kinetic data for both ZVI and IO.
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