alexa Novel Synthesis of Nay Zeolite from Rice Husk Silica: Modification with Zno and Zns for Antibacterial Application
ISSN: 2150-3494

Chemical Sciences Journal
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Research Article

Novel Synthesis of Nay Zeolite from Rice Husk Silica: Modification with Zno and Zns for Antibacterial Application

Tarek M Salama1*, Ibraheem O Ali1,2, Hosni A Gumaa1, Mohamed A Lateef3 and Mostafa F Bakr1

1Chemistry Department, Faculty of Science, Al-Azhar University, Nasr City 11884, Cairo, Egypt

2Chemistry Department, College of Science and Arts, Al Jouf University, Algrayuat, KSA

3New Urban Communities Authority (NUCA) 6th October, Giza, Egypt

*Corresponding Author:
Tarek M Salama
Chemistry Department, Faculty of Science
Al-Azhar University, Nasr City 11884, Cairo, Egypt
Tel: +20 2 22629357/8 extn. 187/188
Fax: +20222629356
E-mail: [email protected]

Received date: February 09, 2016 Accepted date: February 11, 2016 Published date: February 18, 2016

Citation: Salama TM, Ali IO, Gumaa HA, Lateef MA, Bakr MF (2016) Novel Synthesis of Nay Zeolite from Rice Husk Silica: Modification with Zno and Zns for Antibacterial Application. Chem Sci J 7:118. doi:10.4172/2150-3494.1000118

Copyright: © 2016 Salama TM, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Zeolite Y in the sodium form (NaY) was synthesized using amorphous silica ash derived from waste rice husks under hydrothermal conditions. Structural characterization of NaY before and after modification with ZnO and ZnS has been done using powder X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), N2 adsorption-desorption at -196 °C, scanning electron microscopy (SEM) and Fourier transform infrared (FTIR) spectroscopy. The effects of the Na2O/SiO2 and Si/Al ratios, aging temperature and crystallization time on the optimized synthesis of NaY were thoroughly investigated. Thus the regulated Na+ impurity concentration in the starting hydrogel was found to act as a template-assisted synthesis of zeolite NaY by the potential incorporation of Al atoms into the zeolite framework. Results of surface analyses indicate that the interactions of ZnO and ZnS with NaY zeolite are distinguishable and thus the higher interaction is observed for the latter. While ZnII has experienced electrostatic bonding interaction with the framework oxygen atoms, creation of mesopores in NaY due to local destruction of the zeolite lattice around the growing ZnS particles was evidenced. Wonderfully, ZnS/NaY exhibited a high performance in prohibiting the growth of Escherichia coli (E. coli) and negligible from P. Aeruginosa, and these important features make it a potential candidate as an antimicrobial agent for controlling implant-related infections.

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