Volume oxidation of uranium mononitride and uranium monocarbide in the dry NOX-gaseous atmosphere-Reference-Cited by-同舟云学术

Volume oxidation of uranium mononitride and uranium monocarbide in the dry NOX-gaseous atmosphere

Published:2020-01-17 Issue:7 Volume:108 Page:535-542
ISSN:2193-3405
Container-title:Radiochimica Acta
language:en
Short-container-title:

Author:

Kulyukhin Sergey A.¹,Nevolin Yuri M.¹²,Petrov Vladimir G.²,Kalmykov Stepan N.²

Affiliation:

1. A.N. Frumkin Institute of Physical Chemistry and Electrochemistry RAS , 31/4, Leninsky pr. , Moscow 119071 , Russia

2. Department of Chemistry , Lomonosov Moscow State University , Leninskie gory, 1 bld.3 , Moscow 119991 , Russia

Abstract

Abstract Gaseous volume oxidation (voloxidation) of uranium mononitride (UN) and uranium monocarbide (UC) was investigated in the “NOx-air” atmosphere in the temperature range 298–673 K. It was shown that UN can be converted into uranium water-soluble compounds using an alternative oxidation atmosphere based on NOX-gases. UO3 and uranyl nitrates are the main products of the reaction. Maximum degree of the UN conversion to water-soluble compounds equal to 80 % was observed at the temperature 565 K. Products of the UC conversion are uranium oxides and oxihydroxides. The observed degree of the UC conversion into water-soluble compounds was less then 20 %.

Publisher

Walter de Gruyter GmbH

Subject

Physical and Theoretical Chemistry

Link

https://www.degruyter.com/document/doi/10.1515/ract-2019-3125/pdf

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