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Sorption removal of arsenic by cerium-exchanged zeolite P


Haron, Md. Jelas and Ab Rahim, Farha and Abdullah, Abdul Halim and Hussein, Mohd Zobir and Kassim, Anuar (2008) Sorption removal of arsenic by cerium-exchanged zeolite P. Materials Science and Engineering: B, 149 (2). pp. 204-208. ISSN 0921-5107


Modification of zeolite P was performed by exchanged of its sodium with cerium(III). The resulting cerium-exchanged zeolite P, (CeZP) did not change in its crystallinity compared to original zeolite. The CeZP was subsequently used to sorb As(V) from aqueous solution. Maximum sorption of As(V) by CeZP occurred at pH range 3–10. In addition, the sorption capacity increased with increasing initial As(V) concentrations. The sorption follows Langmuir model with maximum sorption capacity of 8.72 mg g−1 at 25°C and increased to 23.42 mg g−1 at 90°C, indicating an endothermic process. The arsenic sorption by CeZP was not affected by the present of nitrate, chloride, sulphate, carbonate and bromide but was reduced significantly in the presence of phosphate. This study shows that the as prepared CeZP was found effective for the removal of arsenic from wastewater sample of wood treatment industry.

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Additional Metadata

Item Type: Article
Divisions: Faculty of Science
DOI Number: https://doi.org/10.1016/j.mseb.2007.11.028
Publisher: Elsevier
Keywords: Ce-exchanged zeolite; Arsenate sorption; Langmuir isotherm; Wasterwater
Depositing User: Najwani Amir Sariffudin
Date Deposited: 30 Apr 2010 04:03
Last Modified: 02 Dec 2015 03:18
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1016/j.mseb.2007.11.028
URI: http://psasir.upm.edu.my/id/eprint/5812
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