Radionuclide Waste Disposal: Development of Multi-scale Experimental and Modeling Capabilities (Final Report)

Powell, Brian A.; Brinkman, Kyle; Danjaji, Musa; DeVol, Timothy; Knight, Travis; Matta, Fabio; Moysey, Stephen; Murdoch, Lawrence

doi:10.2172/1923972

Title: Radionuclide Waste Disposal: Development of Multi-scale Experimental and Modeling Capabilities (Final Report)

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Abstract

The DOE EPSCoR Implementation project “Radioactive waste management: Development of multi-scale experimental and modeling capabilities” helped to develop a team of scientists and engineers from Clemson University, South Carolina State University, and the University of South Carolina to address the disposition of nuclear wastes and study the transport of radioisotopes from a waste repository in the near and far field. The project involved 20 faculty from the three institutions as well as 13 postdoctoral fellows, 32 graduate students, and 32 undergraduate students and was active from 2014-2019. Additionally, we forged new collaborations with nine researchers from DOE laboratories SRNL, LLNL, and ANL as well as the University of Manchester and the China Academy of Engineering Physics. The overarching goal of the project was to understand the conditions under which important classes of co-reactants, ranging from counter ions in crystal lattices to dissolved oxygen in pores, control the chemistry and transport characteristics of radionuclides in engineered waste forms and natural soils. Our approach was to characterize the time and length scales over which non-equilibrium states are maintained by rate-limiting, or rate-enhancing, reactions between radionuclides and co-reactants due to interactions between physical mass-transfer processes (i.e., advection, diffusion) and (biogeo) chemical reactions. Wemore »« less

Authors:

^[1]; Brinkman, Kyle ^[1]; Danjaji, Musa ^[2]; DeVol, Timothy ^[1]; Knight, Travis ^[3]; Matta, Fabio ^[3]; Moysey, Stephen ^[4]; Murdoch, Lawrence ^[1]

Clemson Univ., SC (United States)
South Carolina State Univ., Orangeburg, SC (United States)
Univ. of South Carolina, Columbia, SC (United States)
East Carolina Univ., Greenville, NC (United States); Clemson Univ., SC (United States)

Publication Date:: Fri Feb 17 00:00:00 EST 2023

Research Org.:: Clemson Univ., SC (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES). Chemical Sciences, Geosciences & Biosciences Division (CSGB); USDOE Office of Science (SC), Biological and Environmental Research (BER). Earth & Environmental Systems Science (EESS)

OSTI Identifier:: 1923972

Report Number(s):: DOE-CLEMSON-12530
TRN: US2313698

DOE Contract Number:: SC0012530

Resource Type:: Technical Report

Country of Publication:: United States

Language:: English

Subject:: 12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES; 11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS; 54 ENVIRONMENTAL SCIENCES; 77 NANOSCIENCE AND NANOTECHNOLOGY; Radiochemistry; Environmental Chemistry; Radionuclide Fate and Transport

Citation Formats


                    Powell, Brian A., Brinkman, Kyle, Danjaji, Musa, DeVol, Timothy, Knight, Travis, Matta, Fabio, Moysey, Stephen, and Murdoch, Lawrence. Radionuclide Waste Disposal: Development of Multi-scale Experimental and Modeling Capabilities (Final Report).  United States: N. p., 2023. 
        Web.  doi:10.2172/1923972.

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                    Powell, Brian A., Brinkman, Kyle, Danjaji, Musa, DeVol, Timothy, Knight, Travis, Matta, Fabio, Moysey, Stephen, & Murdoch, Lawrence. Radionuclide Waste Disposal: Development of Multi-scale Experimental and Modeling Capabilities (Final Report).  United States.  https://doi.org/10.2172/1923972

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                    Powell, Brian A., Brinkman, Kyle, Danjaji, Musa, DeVol, Timothy, Knight, Travis, Matta, Fabio, Moysey, Stephen, and Murdoch, Lawrence. 2023.  
        "Radionuclide Waste Disposal: Development of Multi-scale Experimental and Modeling Capabilities (Final Report)".  United States.  https://doi.org/10.2172/1923972.  https://www.osti.gov/servlets/purl/1923972.

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@article{osti_1923972,

  title        = {Radionuclide Waste Disposal: Development of Multi-scale Experimental and Modeling Capabilities (Final Report)},

  author       = {Powell, Brian A. and Brinkman, Kyle and Danjaji, Musa and DeVol, Timothy and Knight, Travis and Matta, Fabio and Moysey, Stephen and Murdoch, Lawrence},

  abstractNote = {The DOE EPSCoR Implementation project “Radioactive waste management: Development of multi-scale experimental and modeling capabilities” helped to develop a team of scientists and engineers from Clemson University, South Carolina State University, and the University of South Carolina to address the disposition of nuclear wastes and study the transport of radioisotopes from a waste repository in the near and far field. The project involved 20 faculty from the three institutions as well as 13 postdoctoral fellows, 32 graduate students, and 32 undergraduate students and was active from 2014-2019. Additionally, we forged new collaborations with nine researchers from DOE laboratories SRNL, LLNL, and ANL as well as the University of Manchester and the China Academy of Engineering Physics. The overarching goal of the project was to understand the conditions under which important classes of co-reactants, ranging from counter ions in crystal lattices to dissolved oxygen in pores, control the chemistry and transport characteristics of radionuclides in engineered waste forms and natural soils. Our approach was to characterize the time and length scales over which non-equilibrium states are maintained by rate-limiting, or rate-enhancing, reactions between radionuclides and co-reactants due to interactions between physical mass-transfer processes (i.e., advection, diffusion) and (biogeo) chemical reactions. We have focused our project on three specific classes of reactions relevant to radionuclide transport at DOE legacy sites: ion exchange/substitution, ligand complexation, and redox-mediated reactions. Understanding radionuclide migration requires detailed knowledge of how changes to a system – whether engineered or natural – drive the behavior of co-reactants, which in turn provide the geochemical context controlling radionuclide transport. Student engagement and training were a primary focus of the project in order to create a pipeline of researchers who could work in the area of nuclear waste disposition to support the state and the nation. Over the duration of the project we worked with 32 undergraduate, graduated 18 M.S. students and 14 Ph.D. students, and advised 13 postdoctoral fellows. The Ph.D students and postdocs have primarily taken positions at DOE laboratories, academia, and industry. Through our collaborative team, numerous follow on projects have been started with over $5M in sponsored research. Additionally, thus far the team has published 53 peer reviewed papers and given over 75 technical presentations.},

  doi          = {10.2172/1923972},

  url          = {https://www.osti.gov/biblio/1923972},
  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {Fri Feb 17 00:00:00 EST 2023},

  month        = {Fri Feb 17 00:00:00 EST 2023}

}

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