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Composite media for ion processing

Patent ·
OSTI ID:1013834
 [1];  [2];  [3];  [4]
  1. Blackfoot, ID
  2. Peshastin, WA
  3. Aberdeen, ID
  4. Prague, CZ
+ Show Author Affiliations
Composite media, systems, and devices for substantially removing, or otherwise processing, one or more constituents of a fluid stream. The composite media comprise a plurality of beads, each having a matrix substantially comprising polyacrylonitrile (PAN) and supporting one or more active components which are effective in removing, by various mechanisms, one or more constituents from a fluid stream. Due to the porosity and large surface area of the beads, a high level of contact is achieved between composite media of the present invention and the fluid stream being processed. Further, the homogeneity of the beads facilitates use of the beads in high volume applications where it is desired to effectively process a large volume of flow per unit of time.
Research Organization:
Bechtel BWXT Idaho, LLC (Idaho Falls, ID)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC07-99ID13727
Assignee:
Battelle Energy Alliance, LLC (Idaho Falls, ID)
Patent Number(s):
7,629,292
Application Number:
US Patent Application 11/154,976
OSTI ID:
1013834
Country of Publication:
United States
Language:
English

References (7)

Composite sorbents of inorganic ion-exchangers and polyacrylonitrile binding matrix: I. Methods of modification of properties of inorganic ion-exchangers for application in column packed beds journal June 1997
Composite ion exchanger with ammonium molybdophosphate and its properties journal May 1990
AMP-PAN column tests for the removal of 137Cs from actual and simulated INEEL high-activity wastes journal January 1999
Actinide Removal from Aqueous Waste Using Solid Supported Liquid Membranes book July 1987
Actinide, Strontium, and Cesium Removal from Hanford Radioactive tank Sludge journal January 1996
Test plan for demonstrating plutonium extraction from 10-L solutions using EIChrom extraction chromatographic resins report August 1994
Development and Properties of Crystalline Silicotitanate (CST) Ion Exchangers for Radioactive Waste Applications report March 1997

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Related Subjects

36 MATERIALS SCIENCE