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Mercury-free dissolution of aluminum-clad fuel in nitric acid

Patent ·
OSTI ID:869602
 [1];  [2]
  1. Idaho Falls, ID
  2. Pocatello, ID
+ Show Author Affiliations

A mercury-free dissolution process for aluminum involves placing the aluminum in a dissolver vessel in contact with nitric acid-fluoboric acid mixture at an elevated temperature. By maintaining a continuous flow of the acid mixture through the dissolver vessel, an effluent containing aluminum nitrate, nitric acid, fluoboric acid and other dissolved components are removed.

Research Organization:
WESTINGHOUSE IDAHO NUCLEAR CO
DOE Contract Number:
AC07-84ID12435
Assignee:
United States of America as represented by United States (Washington, DC)
Patent Number(s):
US 5364603
OSTI ID:
869602
Country of Publication:
United States
Language:
English

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Related Subjects

/423/
acid
acid mixture
acid-fluoboric
aluminum
aluminum nitrate
aluminum-clad
boric acid
clad fuel
components
contact
containing
containing aluminum
continuous
continuous flow
dissolution
dissolution process
dissolved
dissolver
dissolver vessel
effluent
elevated
elevated temperature
flow
fluoboric
fuel
involves
involves placing
maintaining
mercury-free
mercury-free dissolution
mixture
nitrate
nitric
nitric acid
placing
process
removed
solution process
temperature
vessel