New head process for non-HEU 99Mo production based on the oxidation of irradiated UO2-pellets forming soluble U3O8

All fission-based 99Mo producers worldwide are required to convert their 99Mo production processes from using highly enriched uranium to low-enriched uranium. At a recent IAEA meeting in Vienna, problems related to bottlenecks and target modification and optimization of low-enriched uranium...

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Main Authors: Beyer Gerd Juergen, Eichler Bernd, Reetz Teja, Muenze Rudolf, Čomor Jožef J.
Format: Article
Language:English
Published: VINCA Institute of Nuclear Sciences 2016-01-01
Series:Nuclear Technology and Radiation Protection
Subjects:
Online Access:http://www.doiserbia.nb.rs/img/doi/1451-3994/2016/1451-39941601102B.pdf
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author Beyer Gerd Juergen
Eichler Bernd
Reetz Teja
Muenze Rudolf
Čomor Jožef J.
author_facet Beyer Gerd Juergen
Eichler Bernd
Reetz Teja
Muenze Rudolf
Čomor Jožef J.
author_sort Beyer Gerd Juergen
collection DOAJ
description All fission-based 99Mo producers worldwide are required to convert their 99Mo production processes from using highly enriched uranium to low-enriched uranium. At a recent IAEA meeting in Vienna, problems related to bottlenecks and target modification and optimization of low-enriched uranium-based 99Mo production processes were discussed. Ceramic UO2-pellets (as used in fuel) were excluded from the discussion with the argument that this material cannot be dissolved under practically applicable conditions. In this paper, we suggest transforming the non-soluble ceramic UO2 fuel-pellets into the U3O8 form by simple oxidation and the use of the soluble U-oxide modification as the starting material for the 99Mo production processes. Due to the absence of Al, larger target quantities could be processed and the waste volume could still be kept small. The approach is known and proven in nuclear technology. In principle, this new head process can be connected to any of the presently used 99Mo production procedures.
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spelling doaj.art-8d36bfdc8057448f88f1998ae325b4072022-12-22T01:40:34ZengVINCA Institute of Nuclear SciencesNuclear Technology and Radiation Protection1451-39941452-81852016-01-0131110210810.2298/NTRP1601102B1451-39941601102BNew head process for non-HEU 99Mo production based on the oxidation of irradiated UO2-pellets forming soluble U3O8Beyer Gerd Juergen0Eichler Bernd1Reetz Teja2Muenze Rudolf3Čomor Jožef J.4GSG-int GmbH, Pfaffikon, SwitzerlandPaul-Scherrer-Institute, Laboratory of Radiochemistry and Environmental Chemistry, Villigen PSI, SwitzerlandHTM-Prof Reetz GmbH, Berlin, GermanynemaELEX Commerce, BelgradeAll fission-based 99Mo producers worldwide are required to convert their 99Mo production processes from using highly enriched uranium to low-enriched uranium. At a recent IAEA meeting in Vienna, problems related to bottlenecks and target modification and optimization of low-enriched uranium-based 99Mo production processes were discussed. Ceramic UO2-pellets (as used in fuel) were excluded from the discussion with the argument that this material cannot be dissolved under practically applicable conditions. In this paper, we suggest transforming the non-soluble ceramic UO2 fuel-pellets into the U3O8 form by simple oxidation and the use of the soluble U-oxide modification as the starting material for the 99Mo production processes. Due to the absence of Al, larger target quantities could be processed and the waste volume could still be kept small. The approach is known and proven in nuclear technology. In principle, this new head process can be connected to any of the presently used 99Mo production procedures.http://www.doiserbia.nb.rs/img/doi/1451-3994/2016/1451-39941601102B.pdflow-enriched uraniumhigly enriched uraniumUO2U3O899Movoloxidation
spellingShingle Beyer Gerd Juergen
Eichler Bernd
Reetz Teja
Muenze Rudolf
Čomor Jožef J.
New head process for non-HEU 99Mo production based on the oxidation of irradiated UO2-pellets forming soluble U3O8
Nuclear Technology and Radiation Protection
low-enriched uranium
higly enriched uranium
UO2
U3O8
99Mo
voloxidation
title New head process for non-HEU 99Mo production based on the oxidation of irradiated UO2-pellets forming soluble U3O8
title_full New head process for non-HEU 99Mo production based on the oxidation of irradiated UO2-pellets forming soluble U3O8
title_fullStr New head process for non-HEU 99Mo production based on the oxidation of irradiated UO2-pellets forming soluble U3O8
title_full_unstemmed New head process for non-HEU 99Mo production based on the oxidation of irradiated UO2-pellets forming soluble U3O8
title_short New head process for non-HEU 99Mo production based on the oxidation of irradiated UO2-pellets forming soluble U3O8
title_sort new head process for non heu 99mo production based on the oxidation of irradiated uo2 pellets forming soluble u3o8
topic low-enriched uranium
higly enriched uranium
UO2
U3O8
99Mo
voloxidation
url http://www.doiserbia.nb.rs/img/doi/1451-3994/2016/1451-39941601102B.pdf
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