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Title: Process for making a ceramic composition for immobilization of actinides

Abstract

Disclosed is a process for making a ceramic composition for the immobilization of actinides, particularly uranium and plutonium. The ceramic is a titanate material comprising pyrochlore, brannerite and rutile. The process comprises oxidizing the actinides, milling the oxides to a powder, blending them with ceramic precursors, cold pressing the blend and sintering the pressed material.

Inventors:
 [1];  [1];  [2];  [3];  [4];  [1];  [1];  [5];  [1];  [5];  [6];  [6]
  1. (Livermore, CA)
  2. (Kirrawee, AU)
  3. (Barden Ridge, AU)
  4. (Cronulla, AU)
  5. (Pleasanton, CA)
  6. (Tracy, CA)
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
OSTI Identifier:
874131
Patent Number(s):
US 6320091
Assignee:
The United States of America as represented by the United States Department (Washington, DC) LLNL
DOE Contract Number:  
W-7405-ENG-48
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
process; ceramic; composition; immobilization; actinides; disclosed; uranium; plutonium; titanate; material; comprising; pyrochlore; brannerite; rutile; oxidizing; milling; oxides; powder; blending; precursors; cold; pressing; blend; sintering; pressed; ceramic precursor; titanate material; /588/

Citation Formats

Ebbinghaus, Bartley B., Van Konynenburg, Richard A., Vance, Eric R., Stewart, Martin W., Walls, Philip A., Brummond, William Allen, Armantrout, Guy A., Herman, Connie Cicero, Hobson, Beverly F., Herman, David Thomas, Curtis, Paul G., and Farmer, Joseph. Process for making a ceramic composition for immobilization of actinides. United States: N. p., 2001. Web.
Ebbinghaus, Bartley B., Van Konynenburg, Richard A., Vance, Eric R., Stewart, Martin W., Walls, Philip A., Brummond, William Allen, Armantrout, Guy A., Herman, Connie Cicero, Hobson, Beverly F., Herman, David Thomas, Curtis, Paul G., & Farmer, Joseph. Process for making a ceramic composition for immobilization of actinides. United States.
Ebbinghaus, Bartley B., Van Konynenburg, Richard A., Vance, Eric R., Stewart, Martin W., Walls, Philip A., Brummond, William Allen, Armantrout, Guy A., Herman, Connie Cicero, Hobson, Beverly F., Herman, David Thomas, Curtis, Paul G., and Farmer, Joseph. Mon . "Process for making a ceramic composition for immobilization of actinides". United States. https://www.osti.gov/servlets/purl/874131.
@article{osti_874131,
title = {Process for making a ceramic composition for immobilization of actinides},
author = {Ebbinghaus, Bartley B. and Van Konynenburg, Richard A. and Vance, Eric R. and Stewart, Martin W. and Walls, Philip A. and Brummond, William Allen and Armantrout, Guy A. and Herman, Connie Cicero and Hobson, Beverly F. and Herman, David Thomas and Curtis, Paul G. and Farmer, Joseph},
abstractNote = {Disclosed is a process for making a ceramic composition for the immobilization of actinides, particularly uranium and plutonium. The ceramic is a titanate material comprising pyrochlore, brannerite and rutile. The process comprises oxidizing the actinides, milling the oxides to a powder, blending them with ceramic precursors, cold pressing the blend and sintering the pressed material.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2001},
month = {1}
}

Patent:

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