Pulsed electric discharge treatment of uranium leaching solutions: A method for accelerated extraction

Abstract

Depletion of uranium ore deposits is leading to a need for more efficient uranium extraction techniques. In this study, gas-phase electric discharge is applied to an aqueous leaching solution dispersed between electrodes as a technique for enhancing acidic extraction of uranium. Application of the electric discharge treatment resulted in a 1.5 to 2.0 times increase in the leaching rate and an improvement in uranium recovery of 4%. The enhanced extraction method was found to involve oxidation of ferrous ions in the acidic aqueous solution by nitrogen-containing ions generated in the spark discharge channels.

Original language	English
Pages (from-to)	37-41
Number of pages	5
Journal	Hydrometallurgy
Volume	162
DOIs	https://doi.org/10.1016/j.hydromet.2016.02.006
Publication status	Published - 1 Jun 2016

Keywords

Acidic leaching
Nitrogen oxides
Oxidation
Spark discharge
Uranium

ASJC Scopus subject areas

Industrial and Manufacturing Engineering
Materials Chemistry
Metals and Alloys

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10.1016/j.hydromet.2016.02.006

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@article{71a379f489344f90867f9817487f3dab,

title = "Pulsed electric discharge treatment of uranium leaching solutions: A method for accelerated extraction",

abstract = "Depletion of uranium ore deposits is leading to a need for more efficient uranium extraction techniques. In this study, gas-phase electric discharge is applied to an aqueous leaching solution dispersed between electrodes as a technique for enhancing acidic extraction of uranium. Application of the electric discharge treatment resulted in a 1.5 to 2.0 times increase in the leaching rate and an improvement in uranium recovery of 4%. The enhanced extraction method was found to involve oxidation of ferrous ions in the acidic aqueous solution by nitrogen-containing ions generated in the spark discharge channels.",

keywords = "Acidic leaching, Nitrogen oxides, Oxidation, Spark discharge, Uranium",

author = "Kornev, {Iakov Ivanovich} and Osokin, {Georgy Evgenievich} and N. Yavorovsky and A. Morozov and V. Litvinenko",

year = "2016",

month = jun,

day = "1",

doi = "10.1016/j.hydromet.2016.02.006",

language = "English",

volume = "162",

pages = "37--41",

journal = "Hydrometallurgy",

issn = "0304-386X",

publisher = "Elsevier",

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TY - JOUR

T1 - Pulsed electric discharge treatment of uranium leaching solutions

T2 - A method for accelerated extraction

AU - Kornev, Iakov Ivanovich

AU - Osokin, Georgy Evgenievich

AU - Yavorovsky, N.

AU - Morozov, A.

AU - Litvinenko, V.

PY - 2016/6/1

Y1 - 2016/6/1

N2 - Depletion of uranium ore deposits is leading to a need for more efficient uranium extraction techniques. In this study, gas-phase electric discharge is applied to an aqueous leaching solution dispersed between electrodes as a technique for enhancing acidic extraction of uranium. Application of the electric discharge treatment resulted in a 1.5 to 2.0 times increase in the leaching rate and an improvement in uranium recovery of 4%. The enhanced extraction method was found to involve oxidation of ferrous ions in the acidic aqueous solution by nitrogen-containing ions generated in the spark discharge channels.

AB - Depletion of uranium ore deposits is leading to a need for more efficient uranium extraction techniques. In this study, gas-phase electric discharge is applied to an aqueous leaching solution dispersed between electrodes as a technique for enhancing acidic extraction of uranium. Application of the electric discharge treatment resulted in a 1.5 to 2.0 times increase in the leaching rate and an improvement in uranium recovery of 4%. The enhanced extraction method was found to involve oxidation of ferrous ions in the acidic aqueous solution by nitrogen-containing ions generated in the spark discharge channels.

KW - Acidic leaching

KW - Nitrogen oxides

KW - Oxidation

KW - Spark discharge

KW - Uranium

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