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Title: Actinide ion sensor for pyroprocess monitoring

Patent ·
OSTI ID:1245977

An apparatus for real-time, in-situ monitoring of actinide ion concentrations which comprises a working electrode, a reference electrode, a container, a working electrolyte, a separator, a reference electrolyte, and a voltmeter. The container holds the working electrolyte. The voltmeter is electrically connected to the working electrode and the reference electrode and measures the voltage between those electrodes. The working electrode contacts the working electrolyte. The working electrolyte comprises an actinide ion of interest. The reference electrode contacts the reference electrolyte. The reference electrolyte is separated from the working electrolyte by the separator. The separator contacts both the working electrolyte and the reference electrolyte. The separator is ionically conductive to the actinide ion of interest. The reference electrolyte comprises a known concentration of the actinide ion of interest. The separator comprises a beta double prime alumina exchanged with the actinide ion of interest.

Research Organization:
Idaho National Laboratory (INL), Idaho Falls, ID (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC07-051D14517
Assignee:
U.S. Department of Energy (Washington, DC)
Patent Number(s):
8,741,119
Application Number:
13/039,451
OSTI ID:
1245977
Resource Relation:
Patent File Date: 2011 Mar 03
Country of Publication:
United States
Language:
English

References (17)

Optical materials from intercalation of polyvalent cations in beta double prime alumina patent May 1987
Method of in-situ monitoring a reduction of uranium oxides by lithium metal patent June 2008
Porous membrane electrochemical cell for uranium and transuranic recovery from molten salt electrolyte patent September 2010
Electrorefining process and apparatus for recovery of uranium and a mixture of uranium and plutonium from spent fuels patent November 1989
Apparatus for detecting elements patent April 1978
Sensor for application in molten metals patent February 2003
Sensors patent September 1996
Porous membrane electrochemical cell for uranium and transuranic recovery from molten salt electrolyte patent September 2007
"Method for preparing Pb-.beta.""-alumina ceramic" patent April 1986
Electrolytic recovery of reactor metal fuel patent September 1994
"Process for the production of K- or Rb-.beta.""- or -.beta.- aluminum oxide ion conductors" patent December 1995
Electroseparation of actinide and rare earth metals patent December 1996
Method and apparatus for the continuous monitoring of specific elements in molten substances containing same patent February 1987
Continuous measurement of electrolyte parameters in a cell for the electrolysis of a molten charge patent July 1978
Process and apparatus for recovery of fissionable materials from spent reactor fuel by anodic dissolution patent April 1991
Method and apparatus for monitoring the concentration of airborne actinide particles patent February 1989
Membrane reference electrode patent March 1989

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