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

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. 5 figs.
Inventors:
;
Issue Date:
OSTI Identifier:
6942297
Assignee:
Dept. of Energy, Washington, DC (United States) PTO; EDB-94-164506
Patent Number(s):
US 5364603; A
Application Number:
PPN: US 8-105236
Contract Number:
AC07-84ID12435
Resource Relation:
Patent File Date: 12 Aug 1993
Country of Publication:
United States
Language:
English
Subject:
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS; ALUMINIUM; DISSOLUTION; FUEL CANS; ALUMINIUM NITRATES; INORGANIC ACIDS; ALUMINIUM COMPOUNDS; ELEMENTS; HYDROGEN COMPOUNDS; METALS; NITRATES; NITROGEN COMPOUNDS; OXYGEN COMPOUNDS; 050800* - Nuclear Fuels- Spent Fuels Reprocessing