The
Malaysian Journal of Analytical Sciences Vol 14 No 2 (2010): 69 – 75
Removal of As(V) by Ce(IV)-exchanged zeolite P USING column method
Md Jelas
Haron*1, Farha Abd Rahim1, Mohd Zobir Hussein1,
Abdul
Halim Abdullah1, Anuar Kassim1, S.M. Talebi2
1Chemistry Department,
Universiti Putra Malaysia, 43400 Serdang,
2Department of
Chemistry and Environmental Science,
*Corresponding author:
mdjelas@science.upm.edu.my
Abstract
Zeolite P was modified by ion exchange with Ce(IV) cation
(Ce4ZP) and its performance for removal of As(V) anion using column method is
described. The removal of As(V) was
strongly depending on the bed depth, influent flow rate and initial As(V)
concentration. The increase in bed depth
enable more water can be treated, but with a slight reduction in adsorption
capacity. At lower flow rate, the
quantity of treated water and adsorption capacity were found to increase. At higher influent concentrations, better
adsorption capacity was observed. The
theoretical service times evaluated from bed depth service time (
Keywords: Arsenate, BDST model, Ce(IV)-zeolite P, column,
adsorption
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