Novel Nano-Zirconium Antimonate as Cation Exchange Material for Organic Dye Pollutants Purification
American Journal of Applied Chemistry
Volume 3, Issue 3-1, June 2015, Pages: 46-53
Received: Feb. 12, 2015;
Accepted: Feb. 13, 2015;
Published: Mar. 28, 2015
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M. F. Elkady, Chemical and Petrochemical Engineering Department, Egypt-Japan University of Science and Technology, New Borg El-Arab City, Alexandria, Egypt; Fabrication Technology Department, Advanced Technology and New Materials and Research Institute (ATNMRI), City of Scientific Research and Technological Applications, Alexandria, Egypt
M. A. khodary, Chemical Engineering Department, Faculty of Engineering, Alexandria, Egypt
A. A. Zaatout, Chemical Engineering Department, Faculty of Engineering, Alexandria, Egypt
Nano-zirconium antimonate was successfully prepared using two different techniques of sol-gel and homogeneous precipitation. The different preparation parameters affecting onto the two preparation techniques such as HCl concentration, reactants molar ratio and effect reaction temperature were optimized to attain cation exchange material with high ion exchange capacity and produced in nano-size structure. The different prepared samples were screened based on their ion exchange capacities. The most proper prepared sample produced from the sol-gel technique poses higher ion exchange capacity value of 3.5meq/g compared with that produced from the homogeneous precipitation that recorded ion exchange capacity of 2.8meq/g. The physico-chemical properties of the two nano-zirconium antimonate samples produced from each technique were compared using various analytical techniques such as XRD, SEM and TEM. XRD results indicated that the sample produced from the homogeneous precipitation attains high crystallinity degree compared with the amorphous sol-gel prepared sample. The morphological structure investigation evident the nano-spherical morphology for the two prepared samples. The average nano-size of the homogeneous precipitation sample of 22nm is smaller than that of the sol-gel sample that recorded 34nm. The dye decontamination behavior of the two prepared nano-zirconium antimonate samples was compared for C.I basic blue 3dye. The sol-gel prepared sample recorded higher dye decolorization of 81.5% compared with 54% for the homogeneous precipitation sample.
M. F. Elkady,
M. A. khodary,
A. A. Zaatout,
Novel Nano-Zirconium Antimonate as Cation Exchange Material for Organic Dye Pollutants Purification, American Journal of Applied Chemistry. Special Issue: Nano-Technology for Environmental Aspects.
Vol. 3, No. 3-1,
2015, pp. 46-53.
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