Edgar Buck

Interaction of Radiolytic Species with Noble Metal Particles in Used Nuclear Fuel

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Frances Skomurski

Project type

Exploratory Research

Noble metal particles (NMP) in used nuclear fuel are nanometer to micron sized alloys of the fission product elements Mo, Tc, Rh, Ru, and Pd. These metals are largely incompatible with the…

Using Corroded Ancient Glasses as a Means to an Improved Understanding of the Long-term Chemical Reactivity of Glasses

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Joseph Ryan

EMSL resources are requested to enable an international team of collaborators to solve fundamental problems in interfacial glass corrosion chemistry. With the recent dismissal of Yucca Mountain as a…

CAT - Nuclear Processing Science Initiative

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Sue Clark

The Nuclear Process Science Initiative (NPSI) is an internal, Laboratory Directed Research and Development (LDRD) program investment in support of the nuclear science and technology research…

An In-situ Investigation of a-AlOOH Dissolution under High pH Conditions

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Edgar Buck

The dissolution and precipitation of gibbsite [a-Al(OH)3] and boehmite [a-AlOOH] is of prime importance to the final disposition of high-level nuclear waste (HLW) stored at the Hanford Site. The high…

Fundamental Understanding of Nucleation Processes to Assess Solution Stability and Phase Growth and Genesis

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Gregg Lumetta

Many activities in the nuclear industry are areas of concern for public safety. The leakage of nuclear waste from Hanford storage tanks poses a threat to public health, and the retrieval and…

Nuclear Processing
Science Initiative

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Sue Clark

The Nuclear Process Science Initiative (NPSI) is an internal, Laboratory Directed Research and Development (LDRD) program investment in support of the nuclear science and technology research…

Microscopy of Hanford Tank Sludge

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Edgar Buck

Project type

Exploratory Research

Investigate nature of Hanford tank wastes with transmission electron microscopy to determine particle compositions and structure, as well as oxidation states of elements.

An In-situ Investigation of a-AlOOH Dissolution under High pH Conditions

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Edgar Buck

The dissolution and precipitation of gibbsite [a-Al(OH)3] and boehmite [a-AlOOH] is of prime importance to the final disposition of high-level nuclear waste (HLW) stored at the Hanford Site. The high…

Novel Micro-manipulation methods for radioactive particel isolation and characterization with energy-filtered electron microscopy

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Edgar Buck

Project type

Exploratory Research

Successfully designing the next generation of nuclear power plants will require developing improved methods for characterizing and examining radioactive materials. This will include sub-micron phase…

Fundamental Understanding of Nucleation Processes to Assess Solution Stability and Phase Growth and Genesis

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Gregg Lumetta

Many activities in the nuclear industry are areas of concern for public safety. The leakage of nuclear waste from Hanford storage tanks poses a threat to public health, and the retrieval and…

Chih Heng Tseng's Proposal - Homogeneous precipitation of cerium dioxide nanoparticles

Lead Institution

Oregon State University

Principal Investigator

Chih Heng Tseng

Project type

Exploratory Research

Due to its many distinctive characteristics, such as unique UV absorbing ability, high stability at high temperature, high hardness and reactivity, cerium dioxide (CeO2) has been employed in various…

Microcharacterization of Engineered Mono-Sodium Titanate

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Edgar Buck

Project type

Exploratory Research

Mono-sodium titanate (MST) is being developed by the DOE for removal of strontium and plutonium from high salt wastes. This study looks at the chemical behavior of MST in the presence of special…

Electron energy loss in radiation detection

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Bret Cannon

Project type

Exploratory Research

This project will develop the capability at Pacific Northwest National Laboratory (PNNL) to measure processes by which high energy electrons lose energy in solids and how that lost energy is…

Determination of the Factors Controlling Colloid Generation from Altered Waste Forms: TEM Study of Colloid Interactions and Fractal Structure

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Edgar Buck

Project type

Exploratory Research

The purpose of this work will be to determine the factors controlling the release of colloids from an altered waste form. These factors include; temperature, ionic strength, pH, and flow rate. …

Investigation of Oxidation State of Elements in Natural Brannerites

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Edgar Buck

Project type

Exploratory Research

Any strategy for disposing nuclear waste in a geologic repository must involve the long-term behavior of the primary containment system, the waste-form itself. One method of confirming the…

Investigation of Oxidation State of Elements in Natural Brannerites

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Edgar Buck

Project type

Exploratory Research

Any strategy for disposing nuclear waste in a geologic repository must involve the long-term behavior of the primary containment system, the waste-form itself. One method of confirming the…

Edgar Buck's Proposal

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Edgar Buck

Project type

Large-Scale EMSL Research

Future nuclear materials designs will optimize the behavior of actinide materials in extreme environments, in storage, and in chemical processing. Understanding that behavior at the basic level…

Characterization of Mn Oxidation State with Electron Energy Loss Spectroscopy

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Edgar Buck

Project type

Exploratory Research

A number of Hanford?s waste storage tanks contain organic complexants that increase the solubility of radioactive strontium (Sr90) and transuranic (TRU) elements. Before this liquid fraction of the…

WSU Tri-Cities Electron Microscopy Course

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Edgar Buck

Project type

Exploratory Research

Electron Microscopy (EM) has long been an important experimental tool in materials science, biological sciences, and geosciences. At PNNL, electron microscopes, both SEM and TEM, are used in nearly…

Projects