Dissolution of uranium dioxide powder in carbonate-peroxide solution

Chenxi Hou; Hui He; Jinjie Sun; Bei Yang; Haofan Fang; Caishan Jiao; Mingjian He

doi:10.1007/s10967-022-08263-8

Dissolution of uranium dioxide powder in carbonate-peroxide solution

Chenxi Hou
, Hui He
, Jinjie Sun
, Bei Yang
, Haofan Fang
, Caishan Jiao
, Mingjian He^*

^*Corresponding author for this work

College of Nuclear Science and Technology, Harbin Engineering University
China National Nuclear Corporation

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

The effects of different dissolution parameters (solid–liquid ratio, peroxide concentration, carbonate concentration, countercation and pH) on the dissolution behavior of UO₂ powder in carbonate-peroxide solution were investigated. The results indicate that increasing H₂O₂ concentration evidently enhances the dissolution of UO₂, while increasing carbonate concentration has no apparent influence on the dissolution rate. (NH₄)₂CO₃ presents a noticeable behavior over the performance of Na₂CO₃ at the same initial pH. Additionally, the dissolution behavior of UO₂ is significantly affected by pH value, since the equilibrium concentration of uranium reached lowest in Na₂CO₃ solution at around initial pH 9.4.

Original language	English
Pages (from-to)	2245-2252
Number of pages	8
Journal	Journal of Radioanalytical and Nuclear Chemistry
Volume	331
Issue number	5
DOIs	https://doi.org/10.1007/s10967-022-08263-8
State	Published - May 2022
Externally published	Yes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 3 Good Health and Well-being

Keywords

Carbonate
Dissolution
Hydrogen peroxide
UO powder
pH

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10.1007/s10967-022-08263-8

Cite this

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title = "Dissolution of uranium dioxide powder in carbonate-peroxide solution",

abstract = "The effects of different dissolution parameters (solid{\textendash}liquid ratio, peroxide concentration, carbonate concentration, countercation and pH) on the dissolution behavior of UO2 powder in carbonate-peroxide solution were investigated. The results indicate that increasing H2O2 concentration evidently enhances the dissolution of UO2, while increasing carbonate concentration has no apparent influence on the dissolution rate. (NH4)2CO3 presents a noticeable behavior over the performance of Na2CO3 at the same initial pH. Additionally, the dissolution behavior of UO2 is significantly affected by pH value, since the equilibrium concentration of uranium reached lowest in Na2CO3 solution at around initial pH 9.4.",

keywords = "Carbonate, Dissolution, Hydrogen peroxide, UO powder, pH",

author = "Chenxi Hou and Hui He and Jinjie Sun and Bei Yang and Haofan Fang and Caishan Jiao and Mingjian He",

note = "Publisher Copyright: {\textcopyright} 2022, Akad{\'e}miai Kiad{\'o}, Budapest, Hungary.",

year = "2022",

month = may,

doi = "10.1007/s10967-022-08263-8",

language = "英语",

volume = "331",

pages = "2245--2252",

journal = "Journal of Radioanalytical and Nuclear Chemistry",

issn = "0236-5731",

publisher = "Springer Nature",

number = "5",

}

TY - JOUR

T1 - Dissolution of uranium dioxide powder in carbonate-peroxide solution

AU - Hou, Chenxi

AU - He, Hui

AU - Sun, Jinjie

AU - Yang, Bei

AU - Fang, Haofan

AU - Jiao, Caishan

AU - He, Mingjian

PY - 2022/5

Y1 - 2022/5

N2 - The effects of different dissolution parameters (solid–liquid ratio, peroxide concentration, carbonate concentration, countercation and pH) on the dissolution behavior of UO2 powder in carbonate-peroxide solution were investigated. The results indicate that increasing H2O2 concentration evidently enhances the dissolution of UO2, while increasing carbonate concentration has no apparent influence on the dissolution rate. (NH4)2CO3 presents a noticeable behavior over the performance of Na2CO3 at the same initial pH. Additionally, the dissolution behavior of UO2 is significantly affected by pH value, since the equilibrium concentration of uranium reached lowest in Na2CO3 solution at around initial pH 9.4.

AB - The effects of different dissolution parameters (solid–liquid ratio, peroxide concentration, carbonate concentration, countercation and pH) on the dissolution behavior of UO2 powder in carbonate-peroxide solution were investigated. The results indicate that increasing H2O2 concentration evidently enhances the dissolution of UO2, while increasing carbonate concentration has no apparent influence on the dissolution rate. (NH4)2CO3 presents a noticeable behavior over the performance of Na2CO3 at the same initial pH. Additionally, the dissolution behavior of UO2 is significantly affected by pH value, since the equilibrium concentration of uranium reached lowest in Na2CO3 solution at around initial pH 9.4.

KW - Carbonate

KW - Dissolution

KW - Hydrogen peroxide

KW - UO powder

KW - pH

UR - https://www.scopus.com/pages/publications/85126738232

U2 - 10.1007/s10967-022-08263-8

DO - 10.1007/s10967-022-08263-8

M3 - 文章

AN - SCOPUS:85126738232

SN - 0236-5731

VL - 331

SP - 2245

EP - 2252

JO - Journal of Radioanalytical and Nuclear Chemistry

JF - Journal of Radioanalytical and Nuclear Chemistry

IS - 5

ER -

Dissolution of uranium dioxide powder in carbonate-peroxide solution

Abstract

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Keywords

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