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Title: Selective CO oxidation over Fe5(PO4)3(OH)5 supported Pt catalyst: Kinetic and mechanistic studies
Authors: Padmasri, A Hari
Kumar, P Anil
Kumar, S Naveen
Venugopal, A
Singh, Sooboo
Keywords: Catalysts;Supported catalysts;Platinum catalysts;Oxidation;Carbon monoxide oxidation;Iron hydroxyphosphate
Issue Date: Apr-2014
Publisher: NISCAIR-CSIR, India
Abstract: Iron hydroxyphosphate as support for Pt catalysts is explored for preferential oxidation of CO using simulated reformate gas mixture in the temperature range 40-240 °C. The CO oxidation activity and selectivity at low reaction temperatures are enhanced on addition of H2O but decrease at high temperatures due to the reverse water gas shift reaction. X-ray diffraction patterns of the supported and unsupported catalysts show very weak diffraction lines due to the Fe5(PO4)3(OH)5 phase. The chemical composition of this phase on the catalyst surface has been confirmed by X-ray photoelectron spectroscopy results.
Page(s): 511-515
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.53A(04-05) [April-May 2014]

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