Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Michelle M. V. Snyder"'
Autor:
Dallas D. Reilly, Michelle M. V. Snyder, May-Lin P. Thomas, Carolyn I. Pearce, Annie B. Kersting, Steve M. Heald, Calvin H. Delegard, Samuel T. Murphy, Hilary P. Emerson, Kirk J. Cantrell, Sarah A. Saslow, Andrew E. Plymale, Mavrik Zavarin, Vicky L. Freedman, Micah D. Miller, Charles T. Resch, Brandy N. Gartman, William D. Neilson
Publikováno v:
ACS Earth and Space Chemistry. 5:279-294
Plutonium (Pu) has been released to the environment worldwide, including approximately 1.85 × 1015 Bq (200 kg) of Pu from process waste solutions to unconfined soil structures at the Hanford Site i...
Autor:
Hsiu-Wen Wang, Emily T. Nienhuis, Mateusz Dembowski, Carolyn I. Pearce, Ian I. Leavy, Matthew S. Fountain, Steven R. Baum, Calvin H. Delegard, Kevin M. Rosso, Sebastian T. Mergelsberg, Sue B. Clark, Trent R. Graham, Yihui Wei, Jacob G. Reynolds, Michelle M. V. Snyder
Publikováno v:
Physical Chemistry Chemical Physics. 23:112-122
Nitrite (NO2-) is a prevalent nitrogen oxyanion in environmental and industrial processes, but its behavior in solution, including ion pair formation, is complex. This solution phase complexity impacts industries such as nuclear waste treatment, wher
Autor:
Samuel M. Webb, Elizabeth C. Gillispie, Sarah A. Saslow, Sebastian T. Mergelsberg, Nancy M. Avalos, Agathe Bourchy, Tamas Varga, R. Matthew Asmussen, Michelle M. V. Snyder
Publikováno v:
Environmental Science & Technology. 55:1057-1066
Ettringite is a naturally occurring mineral found in cementitious matrices that is known for its ability to incorporate environmentally mobile oxyanion contaminants. To better assess this immobilization mechanism for contaminants within cementitious
Autor:
Daniel J. Bailey, Sebastian T. Mergelsberg, Tamas Varga, Antonia S. Yorkshire, Claire L. Corkhill, R. Matthew Asmussen, Jarrod V. Crum, Sarah A. Saslow, Sebastien N. Kerisit, Michelle M. V. Snyder, Nancy M. Avalos
Publikováno v:
Environmental Science & Technology. 54:13610-13618
Technetium-99 immobilization in low-temperature nuclear waste forms often relies on additives that reduce environmentally mobile pertechnetate (TcO4-) to insoluble Tc(IV) species. However, this is ...
Autor:
Odeta Qafoku, Calvin H. Delegard, Sue B. Clark, Ian I. Leavy, Steven R. Baum, Matthew S. Fountain, Mateusz Dembowski, Carolyn I. Pearce, Hsiu-Wen Wang, Michelle M. V. Snyder, Jacob G. Reynolds, Trent R. Graham, Kevin M. Rosso
Publikováno v:
Physical Chemistry Chemical Physics. 22:4368-4378
Despite widespread industrial importance, predicting metal solubilities in highly concentrated, multicomponent aqueous solutions is difficult due to poorly understood ion-ion and ion-solvent interactions. Aluminum hydroxide solid phase solubility in
Autor:
Elizabeth C, Gillispie, Sebastian T, Mergelsberg, Tamas, Varga, Samuel M, Webb, Nancy M, Avalos, Michelle M V, Snyder, Agathe, Bourchy, R Matthew, Asmussen, Sarah A, Saslow
Publikováno v:
Environmental sciencetechnology. 55(2)
Ettringite is a naturally occurring mineral found in cementitious matrices that is known for its ability to incorporate environmentally mobile oxyanion contaminants. To better assess this immobilization mechanism for contaminants within cementitious
Autor:
Sarah A. Saslow, Guohui Wang, Nikolla P. Qafoku, Vicky L. Freedman, John M. Zachara, Kayla C. Johnson, Wooyong Um, Andrew E. Plymale, Carolyn I. Pearce, James E. Szecsody, Odeta Qafoku, Micah D. Miller, R. Jeffrey Serne, Steve M. Heald, Michelle M. V. Snyder, Robert M. Asmussen, Charles T. Resch
Publikováno v:
ACS Earth and Space Chemistry. 2:1145-1160
Technetium-99 (Tc) contamination remains a major environmental problem at legacy nuclear reprocessing sites, including the Hanford Site (Washington State, U.S.A.) where ∼700 Ci of Tc has been relea...
Autor:
Jarrod V. Crum, Jacob A. Peterson, Benjamin D. Williams, David A. Pierce, Brian J. Riley, Michelle M. V. Snyder
Publikováno v:
Progress in Nuclear Energy. 104:102-108
The work presented here is based off the concept that the rare earth chloride (RECl3) fission products within the used electrorefiner (ER) salt can be selectively removed as RECl3 (not yet demonstrated) or precipitated out as a mixture of REOCl and R
Autor:
Steven M. Frank, David A. Pierce, Jaime L. George, Michelle M. V. Snyder, William L. Ebert, Karen Kruska, Jared O. Kroll, Benjamin D. Williams, Brian J. Riley, Jacob A. Peterson
Publikováno v:
Journal of Nuclear Materials. 495:405-420
This paper provides an overview of research evaluating the use of lead tellurite glass as a waste form for salt wastes from electrochemical reprocessing of used nuclear fuel. The efficacy of using lead tellurite glass to immobilize three different sa
Autor:
Guohui Wang, Kirk J. Cantrell, Mark E. Bowden, Mark B. Triplett, Edgar C. Buck, Michelle M. V. Snyder, Wooyong Um
Publikováno v:
Chemosphere. 185:171-177
Chemical stabilization of tank residual waste is part of a Hanford Site tank closure strategy to reduce overall risk levels to human health and the environment. In this study, a set of column leaching experiments using tank C-104 residual waste were