Adsorption of Cadmium Ions onto Zeolite-A prepared from Egyptian Kaolin using Microwave Technique
International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Open Access | Fully Refereed | Peer Reviewed International Journal

ISSN: 2319-7064



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Research Paper | Chemistry | Egypt | Volume 5 Issue 7, July 2016

Adsorption of Cadmium Ions onto Zeolite-A prepared from Egyptian Kaolin using Microwave Technique

Alaa Fahmy, Magdy A. Wassel, Hassan A.Shehata, H. F. Youssef, Ahmed S. Elzaref

Zeolite-A has been prepared from Egyptian kaolin to remove divalent cadmium ion from wastewater. The synthesized zeolite was characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM). A batch technique was employed as a function of temperatures, contact time and pH of the solution. Zeolite-A morphology was observed by SEM analysis, and it showed well-defined crystals slightly different sized crystals of the same cubic shape. Results revealed that the optimum conditions of the adsorption process are zeolite dose= 0.25g in 25 mL of Cd (II) with contact time of 140 min, 333 K and pH 7.5. Two equations, namely pseudo-first order and pseudo-second order have been used to determine the kinetics of removal process. The collected kinetic data showed that pseudo-second order equations controls the adsorption. Chemisorption process and Langmuir isotherm proved best fitting to the experimental data. The adsorption mechanism was based on cation exchanges of Cd2+ ions present in wastewater and the available Na+ ion.

Keywords: Zeolite-A, Adsorption, Water treatment, Cadmium ions

Edition: Volume 5 Issue 7, July 2016

Pages: 1549 - 1555

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How to Cite this Article?

Alaa Fahmy, Magdy A. Wassel, Hassan A.Shehata, H. F. Youssef, Ahmed S. Elzaref, "Adsorption of Cadmium Ions onto Zeolite-A prepared from Egyptian Kaolin using Microwave Technique", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=ART2016515, Volume 5 Issue 7, July 2016, 1549 - 1555

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Adsorption of Cadmium Ions onto Zeolite-A prepared from Egyptian Kaolin using Microwave Technique

Alaa Fahmy, Magdy A. Wassel, Hassan A.Shehata, H. F. Youssef, Ahmed S. Elzaref

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