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Title: Formulation and method for preparing gels comprising hydrous hafnium oxide

Patent ·
OSTI ID:1089400
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Formulations useful for preparing hydrous hafnium oxide gels contain a metal salt including hafnium, an acid, an organic base, and a complexing agent. Methods for preparing gels containing hydrous hafnium oxide include heating a formulation to a temperature sufficient to induce gel formation, where the formulation contains a metal salt including hafnium, an acid, an organic base, and a complexing agent.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC05-000R22725
Assignee:
ORO
Patent Number(s):
8,501,825
Application Number:
12/683,942
OSTI ID:
1089400
Country of Publication:
United States
Language:
English

References (11)

Study on thermal decomposition and sintering behaviour of internally gelated simulated inert matrix fuel journal March 2005
Process for the Production of Zirconia patent June 1966
Method for preparing hydrous zirconium oxide gels and spherules patent August 2003
Coprocessed nuclear fuels containing (U, Pu) values as oxides, carbides or carbonitrides patent August 1983
Removal of Fluoride Ion from Wastewater by a Hydrous Cerium Oxide Adsorbent book March 1990
Method for preparing hydrous iron oxide gels and spherules patent July 2003
Application of internal gelation to sol–gel synthesis of ceria-doped zirconia microspheres as nuclear fuel analogous materials journal May 2005
Method for preparing hydrous titanium oxide spherules and other gel forms thereof patent October 1998
Preparation of Zirconyl Chloride Octahydrate patent October 1962
Precipitation Delaying Process Employing a Synergistic Mixture of Complexing Agents patent May 1974
Method of controlling crystallite size in nuclear-reactor fuels patent March 1985

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