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Title: Low temperature dissolution flowsheet for Pu metal

The Savannah River National Laboratory was requested to develop a Pu metal dissolution flowsheet at two reduced temperature ranges for implementation in the Savannah River Site H-Canyon facility. The dissolution and H 2 generation rates during Pu metal dissolution were investigated using a dissolving solution at ambient temperature (20–30°C) and for an intermediate temperature of 50–60°C. The Pu metal dissolution rate measured at 57°C was approximately 20 times slower than at boiling (112–116°C). As a result, the dissolution rate at ambient temperature (24°C) was approximately 80 times slower than the dissolution rate at boiling. Hydrogen concentrations were less than detectable (<0.1 vol%).
Authors:
 [1] ;  [1] ;  [1]
  1. Savannah River National Lab., Aiken, SC (United States)
Publication Date:
Report Number(s):
SRNL-STI-2016-00524
Journal ID: ISSN 0149-6395
Grant/Contract Number:
AC09-08SR22470
Type:
Accepted Manuscript
Journal Name:
Separation Science and Technology
Additional Journal Information:
Journal Name: Separation Science and Technology; Journal ID: ISSN 0149-6395
Publisher:
Taylor & Francis
Research Org:
Savannah River Site (SRS), Aiken, SC (United States). Savannah River National Lab. (SRNL)
Sponsoring Org:
USDOE Office of Environmental Management (EM)
Country of Publication:
United States
Language:
English
Subject:
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS; dissolution; H-Canyon; plutonium metal
OSTI Identifier:
1406120