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Title: Direct chemical reduction of neptunium oxide to neptunium metal using calcium and calcium chloride

A process of direct reduction of neptunium oxide to neptunium metal using calcium metal as the reducing agent is discussed. After reduction of the oxide to metal, the metal is separated by density from the other components of the reaction mixture and can easily removed upon cooling. Furthermore, the direct reduction technique consistently produces high purity (98%–99% pure) neptunium metal.
Authors:
 [1] ;  [1]
  1. Idaho National Lab. (INL), Idaho Falls, ID (United States)
Publication Date:
Report Number(s):
INL/JOU-15-36819
Journal ID: ISSN 0022-3115; PII: S002231151630006X
Grant/Contract Number:
AC07-05ID14517
Type:
Accepted Manuscript
Journal Name:
Journal of Nuclear Materials
Additional Journal Information:
Journal Volume: 471; Journal Issue: C; Journal ID: ISSN 0022-3115
Publisher:
Elsevier
Research Org:
Idaho National Lab. (INL), Idaho Falls, ID (United States)
Sponsoring Org:
USDOE Office of Nuclear Energy (NE)
Country of Publication:
United States
Language:
English
Subject:
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS; neptunium oxide; neptunium; oxide reduction
OSTI Identifier:
1357488
Alternate Identifier(s):
OSTI ID: 1359402

Squires, Leah N., and Lessing, Paul. Direct chemical reduction of neptunium oxide to neptunium metal using calcium and calcium chloride. United States: N. p., Web. doi:10.1016/j.jnucmat.2016.01.007.
Squires, Leah N., & Lessing, Paul. Direct chemical reduction of neptunium oxide to neptunium metal using calcium and calcium chloride. United States. doi:10.1016/j.jnucmat.2016.01.007.
Squires, Leah N., and Lessing, Paul. 2016. "Direct chemical reduction of neptunium oxide to neptunium metal using calcium and calcium chloride". United States. doi:10.1016/j.jnucmat.2016.01.007. https://www.osti.gov/servlets/purl/1357488.
@article{osti_1357488,
title = {Direct chemical reduction of neptunium oxide to neptunium metal using calcium and calcium chloride},
author = {Squires, Leah N. and Lessing, Paul},
abstractNote = {A process of direct reduction of neptunium oxide to neptunium metal using calcium metal as the reducing agent is discussed. After reduction of the oxide to metal, the metal is separated by density from the other components of the reaction mixture and can easily removed upon cooling. Furthermore, the direct reduction technique consistently produces high purity (98%–99% pure) neptunium metal.},
doi = {10.1016/j.jnucmat.2016.01.007},
journal = {Journal of Nuclear Materials},
number = C,
volume = 471,
place = {United States},
year = {2016},
month = {1}
}