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Filtering by: DOI 10.1289/ehp.1205925 Committee Member Gable, Kevin

Organic Phase Inter-Ligand and Metal-Ligand Speciation in TALSPEAK and ALSEP Solvent Extraction Systems

Creator:

Gullekson, Brian J.

Abstract:

Partitioning of trivalent actinides (in particular, americium and curium) from the fission produced light lanthanides is a major concern of used nuclear fuel reprocessing for the purposes of waste disposal. Several solvent extraction processes have been developed to address these chemically difficult separations. The historically employed TALSPEAK Process utilizes di-2-ethylhexyl...

Resource Type:

Dissertation

Full Text:

2- ethylhexyl phosphonic acid mono-2-ethylhexyl ester (HEH[EHP]), its phosphonic acid analog as
Removal of Radioactive Strontium, Iodine, and Uranium from Contaminated Groundwater : Sorption Processes and Properties

Creator:

Leonard, Mary E.

Abstract:

Iodine-129 is a key risk driver at sites where nuclear materials have been fabricated or processed, and it is a predominant isotope of concern in long-term waste storage strategies. I-129 exists primarily as iodate in the subsurface at the Hanford Site in south-central Washington State. Between 15 and 40% of...

Resource Type:

Dissertation