The characteristics of copper containing SBA-15 prepared by impregnation and pH adjustment methods and their activities for N2O decomposition

Mohd Husin, Mohd Haizal and Dewayanto , Nugroho and Nordin, Mohd Ridzuan and Jinli, Li (2015) The characteristics of copper containing SBA-15 prepared by impregnation and pH adjustment methods and their activities for N2O decomposition. Advances in Environmental Biology, 9 (16). pp. 6-14. ISSN 1995-0756

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Abstract

Two types of Cu-SBA-15 catalysts were successfully prepared by impregnation and by pH adjustment methods. All synthesized materials have been characterized by XRD, Nitrogen adsorption–desorption, and TEM. After the impregnation of copper, the unit-cell, specific surface area and pore volume of SBA-15 were found to decrease, while the formation of CuO deposited on the framework was detected. On the contrary, the catalyst prepared by pH modification method indicated the increase of unit-cell, surface area, pore volume, and wall thickness after the incorporation of the copper ions on SBA-15 and copper atoms were substituted into the framework of the SBA-15. Series of N2O decomposition experiments were carried out using the catalysts. Cu/SBA-15 samples prepared by pH adjustment method showed higher catalytic activity thanCu-SBA-15 samples prepared by impregnation method.

Item Type: Article
Uncontrolled Keywords: Cu-SBA-15, impregnation, pH modification, characteristics, N2O decomposition
Subjects: Q Science > QD Chemistry
Divisions: Faculty of Mechanical Engineering > Department of Automotive
Depositing User: Mohd Haizal Mohd Husin
Date Deposited: 30 Mar 2015 06:59
Last Modified: 28 May 2015 04:37
URI: http://eprints.utem.edu.my/id/eprint/14371
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