Gary
S. Cerefice
Research Scientist, Nuclear Science & Technology Group
Harry Reid Center for Environmental Studies
University of Nevada, Las Vegas
4505 Maryland Parkway, Box 454009
Las Vegas, NV 89154-4009
e-mail: cerefice@unlv.nevada.edu
phone: (702) 895-2612
fax: (702) 895-2354
Education
Massachusetts
Institute of Technology, Ph.D
(Nuclear Engineering), 1999
Massachusetts Institute of Technology, M.S. (Nuclear Engineering), 1996
University of Illinois at Urbana-Champaign, B.S. ( Nuclear Engineering), 1993
Research Interests
Radioactive Waste Management (HLW, LLW): Technology, Science, and related policy issues
Nuclear Fuel Cycle: Fuel processing, Actinide recycle, Transmutation strategies and technology
Waste Form Engineering
Radioactive Contaminant Behavior and Transport in the Environment
Actinide and Radionuclide Chemistry: Kinetics, Thermodynamics, Engineering Applications
Interaction of Technology and Policy/Regulation in the Nuclear Fuel Cycle
Projects
Optical Spectroscopy Techniques for On-Line MC&A in Solvent Extraction Process:
The goal of this project is to determine actinide element concentrations under process conditions for solvent extraction processes using optical
spectroscopy techniques (UV-Visible Spectroscopy, Time Resolved Laser Fluorescence Spectroscopy) to evaluate the potential of deploying these
techniques for on-line materials accountability in a fuel recycling plant.
Synthesis of Actinide Nitride Fuels via Ammonia Reduction Processes:
The goal of this project is the development and evaluation of a new, low-temperature process for the conversion of actinide oxides to actinide nitrides for
potential use as a fuel for fast reactor applications (and space reactors), including both synthesis and characterization of the resulting nitride materials.
Emanation of Radon from Thorium-Bearing Waste Forms:
The goal of this project is to evaluate the release of radon from thorium-bearing materials planned for disposal in the low-level waste cells at the Nevada
Test Site to support performance assessment activities. The continuation of this work (if funded) will extend these investigations to select uranium-bearing
waste forms and diffusion of radon through soil and proposed cap systems.
Evaluation of in-situ stabilization of Sr and U plumes at the Hanford site:
The goal of this project is to examine the proposed phosphate injection stabilization technique for uranium and strontium plumes in the subsurface at the
Hanford site. The work includes the synthesis of calcium-based apatite minerals to examine the potential immobilization of strontium by ion exchange as
well as the formation and solubility of uranium pyrophosphate phases formed during the injection of phosphates into the uranium plumes.
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