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Water in Molybdate Melts and Reactions with its Participation

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Atomic Energy Aims and scope

It is confirmed experimentally that water is soluble in sodium molybdate metal, and the solubility at 800°C is 0.018 wt.%. On the basis of this phenomenon, a technology is proposed for dewatering zirconium articles, which are subjected to heating in sodium molybdate, by introducing 1–4 wt.% NiMoO4. As a result, the hydrogen content in the article decreases from 10–2 to 0.4·10–3%. It is confirmed experimentally that metallic nickel, with which dissolved water reacts with hydrogen being released, introduced into the melt reduces U3O8 to UO2 in sodium molybdate melt.

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Authors and Affiliations

  1. All-Russia Research Institute for Inorganic Materials (VNIINM), Moscow, Russia

    O. A. Ustinov, E. A. Matyushin* & T. G. Fedorov*

Authors
  1. O. A. Ustinov
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  2. E. A. Matyushin*
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  3. T. G. Fedorov*
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* Deceased.

Translated from Atomnaya Énergiya, Vol. 117, No. 1, pp. 30–33, July, 2014.

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Ustinov, O.A., Matyushin*, E.A. & Fedorov*, T.G. Water in Molybdate Melts and Reactions with its Participation. At Energy 117, 36–39 (2014). https://doi.org/10.1007/s10512-014-9884-2

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  • DOI: https://doi.org/10.1007/s10512-014-9884-2

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