X-Ray diffraction analysis to study the effect of metal loading and calcination and reduction temperatures for supported palladium catalysts. | [Journal of Chemical Society of Pakistan • 2008]

Author(s):

1. Muhammad Hamid Sarwar Wattoo: Department of Chemistry, Qauid-e-Azam University, Islamabad, Pakistan

2. Mazhar Mazhar: Department of Chemistry, Qauid-e-Azam University, Islamabad, Pakistan

3. Syed Ahmed Tirmizi: Department of Chemistry, Qauid-e-Azam University, Islamabad, Pakistan

4. Muhammad Tufail: Ashfaq Ahmad Research Laboratories, R -Block, PINSTECH-Complex, Nilore, Islamabad, Pakistan

5. Maqsood Ahmad: Ashfaq Ahmad Research Laboratories, R -Block, PINSTECH-Complex, Nilore, Islamabad, Pakistan

6. Feroza Hamid Wattoo: lnstitute of Biochemistry, University of Sindh, Jamshoro, Pakistan

7. Javed Iqbal: lnstitute of Chemistry, University of the Punjab Lahore, Pakistan

Abstract:

XRD have been used to study Pd/r-AI2O3 catalysts prepared by solution impregnation method. Effect of metal loading and calcination and reduction temperatures were studied to observe active metal particles growth. On calcination, growth of tetragonal PdO was observed only at 400 and 500°C. However, for hydrogen reduced catalysts, fine face centred cubic particles growth was observed even for 300°C treated catalysts. Catalysts with metal loading

Page(s): 377-384

DOI: DOI not available

Published: Journal: Journal of Chemical Society of Pakistan, Volume: 30, Issue: 3, Year: 2008

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