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

1.
Department of Chemistry & Chemical Engineering, Binzhou University, Binzhou 256603, Shandong Province, P. R. China

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.
- CO preferential oxidation,
- Pt catalyst,
- Photoreduction,
- Impregnation
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沈阳化工大学材料科学与工程学院沈阳 110142

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

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通讯作者: 陈斌, bchen63@163.com

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