Citation: WANG Fang, WANG Cai-Hong, LIU Guo-Xia. Preferential Oxidation of CO over Photoreduced Pt/TiO2 Catalysts in H2-Rich Stream[J]. Acta Physico-Chimica Sinica, ;2012, 28(02): 445-449. doi: 10.3866/PKU.WHXB201111244 shu

Preferential Oxidation of CO over Photoreduced Pt/TiO2 Catalysts in H2-Rich Stream

  • Received Date: 11 August 2011
    Available Online: 24 November 2011

    Fund Project: 滨州学院科研基金(2010Y06)资助项目 (2010Y06)

  • The optimum reaction parameters for CO oxidation in the presence and absence of H2 have been investigated by photoreduction method to enhance the catalytic activity and selectivity of CO2 for CO preferential oxidation (PROX) in H2-rich stream in detail. X-ray photoelectron spectroscoopy (XPS) results showed that part oxygen vacancies produced on the surface of photoreduced catalysts, which maybe the activity site for the chemisorbed H. Therefore, a possible bi-function reaction mechanism for CO preferential oxidation over the photoreduced Pt/TiO2 catalyst has been proposed.
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