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Home  >  Volume 25 (2013)

Potential of Rice husk ash for removal of phenol in aqueous solution by Kangpe N. S., Alemika D.Y., Egga E. S., and Marti D. M. Vol.25 ( Nov. 2013). pp 401-408
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The pollution of water with phenol from chemical industries is a highly important environmental problem because of the propagation of the pollution and its unfavorable consequences to life. The potential of rice husk ash for the removal of phenol from aqueous solution was investigated in a batch process. Isothermal studies were carried out under different experimental conditions of contact time, adsorbent dose and initial phenol concentration. The suitability of the Freundlich and Langmuir adsorption models to the equilibrium data were also investigated for each phenol-adsorbent system. The result showed high efficiency of rice husk ash for phenol removal and also the data for the phenol-adsorbent systems fit the Freundlich model best within the concentration range studied. It can be inferred that rice husk ash can be used as a low cost adsorbent for phenol removal from aqueous solution. 

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