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2013 (Vol. 5, Issue: 07)
Article Information:

Utilization of Iraqi Rice Husk in the Removal of Heavy Metals from Wastewater

Mohammed Nsaif Abbas and Firas Saeed Abbas
Corresponding Author:  Firas Saeed Abbas 

Key words:  Adsorption, catalyst, heavy metal, residue, rice husk, wastewater, zeolite
Vol. 5 , (07): 370-380
Submitted Accepted Published
April 20, 2013 May 03, 2013 July 20, 2013
Abstract:

This study deals with the potential of Iraqi Rice Husk (IRH) for the removal of nine heavy metal pollutants which are Al, As, Cd, Cr, Cu, Fe, Ni, Pb and Zn ions from industrial wastewater using different design parameters by the adsorption process. Samples were taken of the IRH remaining after being used for the removal of the nine metal ions above from aqueous solutions using different methods. One of these methods was the preparation of a promoted type Y-zeolite catalyst which was compared with normally type Y-zeolite catalyst prepared from IRH alone and tested in the process of n-heptane isomerization under different temperatures. Another method involved the study of IRH as a rodenticide directly without any pre treatment. The results show that the promoted type Y-zeolite catalyst by Cd+2, Cr+6, Cu+2, Fe+3, Ni+2 and Zn+2 ions gives a higher conversion and better selectivity of n-heptane isomerization than the normal type Y-zeolite catalyst and the IRH which had previously adsorbed Al+3, As+5, Zn+2, and Pb+2 from an aqueous solution and also showed good behavior as a rodenticide.
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  Cite this Reference:
Mohammed Nsaif Abbas and Firas Saeed Abbas, 2013. Utilization of Iraqi Rice Husk in the Removal of Heavy Metals from Wastewater.  Research Journal of Environmental and Earth Sciences, 5(07): 370-380.
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ISSN (Online):  2041-0492
ISSN (Print):   2041-0484
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