Development of a Geochemical Speciation Model for Use in Evaluating Leaching from a Cementitious Radioactive Waste Form.

Chromium / analysis Oxidation-Reduction Radioactive Waste / analysis Water
Cast Stone chromium grout monolithic diffusion redox behavior technetium

Journal

Environmental science & technology
ISSN: 1520-5851
Titre abrégé: Environ Sci Technol
Pays: United States
ID NLM: 0213155

Informations de publication

Date de publication:
06 07 2021
Historique:
pubmed: 17 6 2021
medline: 13 7 2021
entrez: 16 6 2021
Statut: ppublish

Résumé

Cast Stone has been developed to immobilize a fraction of radioactive waste at the Hanford Site; however, constituents of potential concern (COPCs) can be released when in contact with water during disposal. Herein, a representative mineral and parameter set for geochemical speciation modeling was developed for Cast Stone aged in inert and oxic environments, to simulate leaching concentrations of major and trace constituents. The geochemical speciation model was verified using a monolithic diffusion model in conjunction with independent monolithic diffusion test results. Eskolaite (Cr

Identifiants

DOI: 10.1021/acs.est.0c06227 PMID: 34132538
pubmed: 34132538
doi: 10.1021/acs.est.0c06227
doi:

Substances chimiques

Radioactive Waste 0
Water 059QF0KO0R
Chromium 0R0008Q3JB

Types de publication

Journal Article Research Support, U.S. Gov't, Non-P.H.S.

Langues

eng

Sous-ensembles de citation

IM

Pagination

8642-8653

Auteurs

Zhiliang Chen (Z)

Department of Civil and Environmental Engineering, Vanderbilt University, Nashville, Tennessee 37215, United States.

Peng Zhang (P)

Department of Civil and Environmental Engineering, Vanderbilt University, Nashville, Tennessee 37215, United States.

Kevin G Brown (KG)

Department of Civil and Environmental Engineering, Vanderbilt University, Nashville, Tennessee 37215, United States.

Janelle L Branch (JL)

Department of Civil and Environmental Engineering, Vanderbilt University, Nashville, Tennessee 37215, United States.

Hans A van der Sloot (HA)

Hans van der Sloot Consultancy, Glenn Millerhof 29, 1628 TS Hoorn, The Netherlands.

Johannes C L Meeussen (JCL)

Nuclear Research and Consultancy Group (NRG), 1755 LE Petten, The Netherlands.

Rossane C Delapp (RC)

Department of Civil and Environmental Engineering, Vanderbilt University, Nashville, Tennessee 37215, United States.

Wooyong Um (W)

Pacific Northwest National Laboratory, Richland, Washington 99354, United States.
Pohang University of Science and Technology (POSTECH), Pohang 37673, Korea.
ORCID: 0000-0002-3826-0030

David S Kosson (DS)

Department of Civil and Environmental Engineering, Vanderbilt University, Nashville, Tennessee 37215, United States.
ORCID: 0000-0001-9898-456X

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Classifications MeSH

questionsmedicales.fr › Produits chimiques inorganiques › Métaux › Métaux lourds › Chrome › Development of a Geochemical Speciation Model...
questionsmedicales.fr › Métabolisme › Métabolisme énergétique › Oxydoréduction › Development of a Geochemical Speciation Model...
questionsmedicales.fr › Environnement et santé publique › Santé publique › Hygiène radiologique › Déchets radioactifs › Development of a Geochemical Speciation Model...
questionsmedicales.fr › Produits chimiques inorganiques › Composés de l'oxygène › Oxydes › Eau › Development of a Geochemical Speciation Model...