ISSN

0974-4150 (Online)
0974-4169 (Print)


Author(s): O.P. Yadav, V.K. Garg, Y.K. Yadav, Eleni Daoutsali

Email(s): opyadav02@rediffmail.com

DOI: Not Available

Address: O.P. Yadav1*, V.K. Garg1, Y.K. Yadav2 and Eleni Daoutsali3
1 Department of Environmental Science and Engineering, Guru Jambheshwar University of Science and Technology, Hisar-125001, India
2Department of Agricultural Processing and Energy, Haryana Agricultural University, Hisar-125001, India
3Institut für Didaktik der Chemie
Fliednerstr. 21
48149 Münster, Germany
*Corresponding Author

Published In:   Volume - 4,      Issue - 6,     Year - 2011


ABSTRACT:
Nano-size platinum particles were synthesized by chemical reduction of Pt+4 ions in water-in-oil microemulsion. As synthesized platinum nanoparticles have been characterized using TEM and XRD techniques. Platinum (2%)+Alumina composite was used as a catalyst for carrying out the oxidation of CO to CO2, over 50-5000C, in a suitably designed converter comprising a vertical quartz tube connected to a quadrupole mass spectrometer. Effects of [Water]/[Surfactant] ratio and the presence of polyethylene glycol (PEG) in the microemulsion on the size and catalytic efficiency of as-synthesized platinum nanoparticles have been investigated. The size of platinum nanoparticles grows further on increasing [Water]/[Surfactant] ratio in the microemulsion composition. Whereas, using pure alumina as catalyst, conversion of CO to CO2 occurs at 3000C, such conversion occurs at much lower temperature (2250C) using alumina+Pt (2%) as catalyst. CO to CO2 conversion temperature is further lowered to 2000C when the platinum nanoparticles synthesized in microemulsion, stabilized by polyethylene glycol (PEG), are used in the above composite catalyst.


Cite this article:
O.P. Yadav, V.K. Garg, Y.K. Yadav, Eleni Daoutsali. Study on Catalytic Oxidation of Carbonmonoxide over Nano-Size Platinum + Alumina Composite. Asian J. Research Chem. 4(6): June, 2011; Page 1005-1008.


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