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Preparation and Properties of Multifunctional Pt/Ce0.7Zr0.3O2 Honeycomb Catalyst for Detritiation

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Proceedings of The 20th Pacific Basin Nuclear Conference (PBNC 2016)

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Abstract

Detritiation devices are required in tritium system because of its radioactivity. The method of catalytic oxidation and adsorption is widely used for atmosphere detritiation, but cannot be used in glove box detritiation because of the oxygen-lean atmosphere. A Ce-based oxide-loaded honeycomb catalyst is prepared as a multifunctional detritiation catalyst. The properties of Ce-based support and catalyst are characterized by X-ray diffraction (XRD), N2 adsorption/desorption (Brunauer–Emmet–Teller BET method), and H2 temperature-programmed reduction (H2-TPR), and the catalytic performance is tested under both oxygen-rich and oxygen-lean atmospheres. The Pt/Ce0.7Zr0.3O2 honeycomb catalyst will oxidize hydrogen isotope at room temperature with high space velocity when oxygen is sufficient. When oxygen is deficient, H2 is also fully oxidized by the catalyst at 250 °C, with the oxygen supply from the support reducing.

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Authors and Affiliations

  1. China Academy of Engineering Physics, Mianyang, Sichuan, China

    Quanwen Wu, Wenhua Luo, **gwen Ba, **ayan Yan & Daqiao Meng

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  1. Quanwen Wu
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  2. Wenhua Luo
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  3. **gwen Ba
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  4. **ayan Yan
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  5. Daqiao Meng
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Correspondence to Daqiao Meng .

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Editors and Affiliations

  1. China Nuclear Power Engineering Co., Ltd , Bei**g, Bei**g, China

    Hong Jiang

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Wu, Q., Luo, W., Ba, J., Yan, X., Meng, D. (2017). Preparation and Properties of Multifunctional Pt/Ce0.7Zr0.3O2 Honeycomb Catalyst for Detritiation. In: Jiang, H. (eds) Proceedings of The 20th Pacific Basin Nuclear Conference. PBNC 2016. Springer, Singapore. https://doi.org/10.1007/978-981-10-2314-9_65

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  • DOI: https://doi.org/10.1007/978-981-10-2314-9_65

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-10-2313-2

  • Online ISBN: 978-981-10-2314-9

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