Kinetics of Co-Mingled 99Tc and Cr Removal during Mineral Transformation of Ferrous Hydroxide

Autor: Saslow, SA, Pearce, CI, Bowden, ME, Lukens, WW, Kim, DS, Kruger, AA, Um, W

Publikováno v: ACS Earth and Space Chemistry, vol 4, iss 2

Four simulated waste streams relevant to the vitrification of Hanford nuclear waste were studied to evaluate the removal kinetics of technetium-99 (Tc) and co-mingled Cr(VI) during treatment with solid ferrous hydroxide (Fe(OH)2(s)). Simulants treate

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Understanding Trace Iron and Chromium Incorporation During Gibbsite Crystallization and Effects on Mineral Dissolution.

Autor: Zhao Y; Physical & Computational Science Directorate, Pacific Northwest National Laboratory, Richland, Washington 99354, United State.; State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, Jiangsu Province 210023, China., Prange MP; Physical & Computational Science Directorate, Pacific Northwest National Laboratory, Richland, Washington 99354, United State., Zong M; Physical & Computational Science Directorate, Pacific Northwest National Laboratory, Richland, Washington 99354, United State., Wang Y; Physical & Computational Science Directorate, Pacific Northwest National Laboratory, Richland, Washington 99354, United State., Walter ED; Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, Washington 99354, United State., Chen Y; Physical & Computational Science Directorate, Pacific Northwest National Laboratory, Richland, Washington 99354, United State., Zhu Z; Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, Washington 99354, United State., Engelhard MH; Energy and Environment Directorate, Pacific Northwest National Laboratory, Richland, Washington 99354, United State., Wang X; Physical & Computational Science Directorate, Pacific Northwest National Laboratory, Richland, Washington 99354, United State., Zhao X; Physical & Computational Science Directorate, Pacific Northwest National Laboratory, Richland, Washington 99354, United State., Pearce CI; Energy and Environment Directorate, Pacific Northwest National Laboratory, Richland, Washington 99354, United State., Miao A; State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, Jiangsu Province 210023, China., Wang Z; Physical & Computational Science Directorate, Pacific Northwest National Laboratory, Richland, Washington 99354, United State., Rosso KM; Physical & Computational Science Directorate, Pacific Northwest National Laboratory, Richland, Washington 99354, United State., Zhang X; Physical & Computational Science Directorate, Pacific Northwest National Laboratory, Richland, Washington 99354, United State.

Publikováno v: Environmental science & technology [Environ Sci Technol] 2024 Nov 12; Vol. 58 (45), pp. 20125-20136. Date of Electronic Publication: 2024 Oct 29.

Multinuclear PFGSTE NMR description of ³⁹ K, ²³ Na, ⁷ Li, and ¹ H specific activation energies governing diffusion in alkali nitrite solutions.

Autor: Graham TR; Pacific Northwest National Laboratory, Richland, WA 99354, USA. Electronic address: trent.graham@pnnl.gov., Kennedy AR; Pacific Northwest National Laboratory, Richland, WA 99354, USA; Savannah River National Laboratory, Aiken, SC 29808, USA., Felsted RG; Pacific Northwest National Laboratory, Richland, WA 99354, USA., Colina-Ruiz RA; Pacific Northwest National Laboratory, Richland, WA 99354, USA., Nienhuis ET; Pacific Northwest National Laboratory, Richland, WA 99354, USA., Reynolds JG; Washington River Protection Solutions, LLC, Richland, WA 99354, USA., Pearce CI; Pacific Northwest National Laboratory, Richland, WA 99354, USA; Crop and Soil Sciences Department, Washington State University, Pullman, WA 99164, USA.

Publikováno v: Journal of magnetic resonance (San Diego, Calif. : 1997) [J Magn Reson] 2024 Jul; Vol. 364, pp. 107707. Date of Electronic Publication: 2024 Jun 03.

Anionic Effects on Concentrated Aqueous Lithium Ion Dynamics.

Autor: Felsted RG; Pacific Northwest National Laboratory, Richland, Washington 99352, United States., Graham TR; Pacific Northwest National Laboratory, Richland, Washington 99352, United States., Zhao Y; Pacific Northwest National Laboratory, Richland, Washington 99352, United States., Bazak JD; Pacific Northwest National Laboratory, Richland, Washington 99352, United States., Nienhuis ET; Pacific Northwest National Laboratory, Richland, Washington 99352, United States., Pauzauskie PJ; Pacific Northwest National Laboratory, Richland, Washington 99352, United States.; Materials Science and Engineering Department, University of Washington, Seattle, Washington 98195, United States., Joly AG; Pacific Northwest National Laboratory, Richland, Washington 99352, United States., Pearce CI; Pacific Northwest National Laboratory, Richland, Washington 99352, United States.; Department of Crop and Soil Sciences, Washington State University, Pullman, Washington 99164, United States., Wang Z; Pacific Northwest National Laboratory, Richland, Washington 99352, United States., Rosso KM; Pacific Northwest National Laboratory, Richland, Washington 99352, United States.

Publikováno v: The journal of physical chemistry letters [J Phys Chem Lett] 2024 May 16; Vol. 15 (19), pp. 5076-5087. Date of Electronic Publication: 2024 May 06.