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Title: Reduction of Plutonium in Acidic Solutions by Mesoporous Carbons

Abstract

Batch contact experiments with several porous carbon materials showed that carbon solids spontaneously reduce the oxidation state of plutonium in 1-1.5 M acid solutions, without significant adsorption. The final oxidation state and rate of Pu reduction varies with the solution matrix, and also depends on the surface chemistry and surface area of the carbon. It was demonstrated that acidic Pu(VI) solutions can be reduced to Pu(III) by passing through a column of porous carbon particles, offering an easy alternative to electrolysis with a potentiostat.

Authors:
 [1];  [2];  [3];  [4];  [5];  [3];  [5]
+ Show Author Affiliations
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Univ. of California, Berkeley, CA (United States)
  2. Univ. of California, Berkeley, CA (United States)
  3. Fudan Univ., Shanghai (China)
  4. Soochow Univ., Suzhou (China)
  5. Univ. of California, Berkeley, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Publication Date:
Research Org.:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1241958
Report Number(s):
LLNL-JRNL-676901
Journal ID: ISSN 0236-5731
Grant/Contract Number:  
AC52-07NA27344
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Radioanalytical and Nuclear Chemistry
Additional Journal Information:
Journal Volume: 306; Journal Issue: 3; Journal ID: ISSN 0236-5731
Publisher:
Springer
Country of Publication:
United States
Language:
English
Subject:
38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY; Plutonium; carbon; mesoporous; reduction; redox chemistry

Citation Formats

Parsons-Moss, Tashi, Jones, Stephen, Wang, Jinxiu, Wu, Zhangxiong, Uribe, Eva, Zhao, Dongyuan, and Nitsche, Heino. Reduction of Plutonium in Acidic Solutions by Mesoporous Carbons. United States: N. p., 2015. Web. doi:10.1007/s10967-015-4647-7.
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Parsons-Moss, Tashi, Jones, Stephen, Wang, Jinxiu, Wu, Zhangxiong, Uribe, Eva, Zhao, Dongyuan, & Nitsche, Heino. Reduction of Plutonium in Acidic Solutions by Mesoporous Carbons. United States. https://doi.org/10.1007/s10967-015-4647-7
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Parsons-Moss, Tashi, Jones, Stephen, Wang, Jinxiu, Wu, Zhangxiong, Uribe, Eva, Zhao, Dongyuan, and Nitsche, Heino. Sat . "Reduction of Plutonium in Acidic Solutions by Mesoporous Carbons". United States. https://doi.org/10.1007/s10967-015-4647-7. https://www.osti.gov/servlets/purl/1241958.
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@article{osti_1241958,
title = {Reduction of Plutonium in Acidic Solutions by Mesoporous Carbons},
author = {Parsons-Moss, Tashi and Jones, Stephen and Wang, Jinxiu and Wu, Zhangxiong and Uribe, Eva and Zhao, Dongyuan and Nitsche, Heino},
abstractNote = {Batch contact experiments with several porous carbon materials showed that carbon solids spontaneously reduce the oxidation state of plutonium in 1-1.5 M acid solutions, without significant adsorption. The final oxidation state and rate of Pu reduction varies with the solution matrix, and also depends on the surface chemistry and surface area of the carbon. It was demonstrated that acidic Pu(VI) solutions can be reduced to Pu(III) by passing through a column of porous carbon particles, offering an easy alternative to electrolysis with a potentiostat.},
doi = {10.1007/s10967-015-4647-7},
journal = {Journal of Radioanalytical and Nuclear Chemistry},
number = 3,
volume = 306,
place = {United States},
year = {Sat Dec 19 00:00:00 EST 2015},
month = {Sat Dec 19 00:00:00 EST 2015}
}
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Journal Article:
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Publisher's Version of Record
https://doi.org/10.1007/s10967-015-4647-7
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