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Title: Radiation shielding materials and containers incorporating same

An improved radiation shielding material and storage systems for radioactive materials incorporating the same. The PYRolytic Uranium Compound ("PYRUC") shielding material is preferably formed by heat and/or pressure treatment of a precursor material comprising microspheres of a uranium compound, such as uranium dioxide or uranium carbide, and a suitable binder. The PYRUC shielding material provides improved radiation shielding, thermal characteristic, cost and ease of use in comparison with other shielding materials. The shielding material can be used to form containment systems, container vessels, shielding structures, and containment storage areas, all of which can be used to house radioactive waste. The preferred shielding system is in the form of a container for storage, transportation, and disposal of radioactive waste. In addition, improved methods for preparing uranium dioxide and uranium carbide microspheres for use in the radiation shielding materials are also provided.
Inventors:
 [1];  [2];  [3]
  1. (Greenbelt, MD)
  2. (Arlington, VA)
  3. (Gaithersburg, MD)
Issue Date:
OSTI Identifier:
920032
Assignee:
The United States of America as represented by the United States Department of Energy (Washington, DC) OSTI
Patent Number(s):
6,960,311
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English