Carbothermic Synthesis of High Purity Plutonium Nitride from Plutonium Oxide

Synthetic conditions of PuN from carbothermic reduction of PuO 2 has been studied in a mixed 8%H 2 +92%N 2 stream at a temperature range of 1,270-1,680°C. In the course of both reactions of the carbothermic synthesis of PuN from PuO 2 and the hydrogenation of C, the vaporization loss of Pu was obser...

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Published inJournal of nuclear science and technology Vol. 19; no. 8; pp. 638 - 645
Main Author MUROMURA, Tadasumi
Format Journal Article
LanguageEnglish
Published Tokyo Taylor & Francis Group 01.08.1982
Taylor & Francis Ltd
Subjects
carbon
carbothermic synthesis
chemical reaction
hydrogen
hydrogenation
mixture
nitrogen
plutonium
plutonium nitrides
plutonium oxides
reaction region
temperature dependence
vaporization
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Summary:Synthetic conditions of PuN from carbothermic reduction of PuO 2 has been studied in a mixed 8%H 2 +92%N 2 stream at a temperature range of 1,270-1,680°C. In the course of both reactions of the carbothermic synthesis of PuN from PuO 2 and the hydrogenation of C, the vaporization loss of Pu was observed. It increased with temperature in the temperature range of 1,350-1,450°C, and reached to a constant value 1.3% of total Pu in the temperature range of 1,450-1,680°C, at which PuN was synthesized at a reaction rate of high enough. The minimum mixing ratio (C/PuO 2 , mole ratio) for the formation of high purity PuN depends on temperature. The value is 2.15 for 1,620°C and 2.35 for 1,680°C. The oxygen and carbon impurities in the PuN obtained were found to be 0.095-0.028 and 0.17-0.012w/0, respectively.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
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ISSN:0022-3131
1881-1248
DOI:10.1080/18811248.1982.9734194