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Title: Process for recovering pertechnetate ions from an aqueous solution also containing other ions

Patent ·
OSTI ID:870837
 [1];  [2];  [3]
  1. DeKalb, IL
  2. Naperville, IL
  3. Tallahassee, FL
+ Show Author Affiliations

A solid/liquid process for the separation and recovery of TcO.sub.4.sup.-1 ions from an aqueous solution is disclosed. The solid support comprises separation particles having surface-bonded poly(ethylene glycol) groups; whereas the aqueous solution from which the TcO.sub.4.sup.-1 ions are separated contains a poly(ethylene glycol) liquid/liquid biphase-forming amount of a dissolved salt. A solid/liquid phase admixture of separation particles containing bound TcO.sub.4.sup.-1 ions in such an aqueous solution that is free from MoO.sub.4.sup.-2 ions is also contemplated, as is a chromatography apparatus containing that solid/liquid phase admixture.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
DOE Contract Number:
W-31109-ENG-38
Assignee:
Arch Development Corp. (Chicago, IL); Board of Regents for Northern Illinois University (DeKalb, IL)
Patent Number(s):
US 5603834
OSTI ID:
870837
Country of Publication:
United States
Language:
English

References (14)

Solid-phase cosolvents. Triphase catalytic hydrolysis of 1-bromoadamantane journal January 1979
Surface affinity chromatographic separation of blood cells journal January 1983
Polystyrene-Immobilized PEG Chains book January 1992
Triphase Catalytic Saponification journal April 1983
Thermodynamics of solvation of ions. Part 5.—Gibbs free energy of hydration at 298.15 K journal January 1991
Non-supported and resin-supported oligo(oxyethylenes) as solid–liquid phase-transfer catalysts. Effect of chain length and head-group journal January 1981
Metal-ion complexation of noncyclic poly(oxyethylene) derivatives. 6. Solid-solid-liquid three phase transfer catalysis of polymer-bound acyclic poly(oxyethylene) derivatives. Applications to organic synthesis journal March 1979
Polyurethane foams as selective sorbents for noble metals journal January 1986
Surface affinity chromatographic separation of blood cells journal January 1980
Polyether-based triphase catalysts. A synthetic comparison journal March 1981
Poly(ethylene glycols) and poly(ethylene glycol)-grafted copolymers are extraordinary catalysts for dehydrohalogenation under two-phase and three-phase conditions journal January 1983
Surface affinity chromatographic separation of blood cells journal January 1984
Technetium Radiopharmaceuticals—Fundamentals, Synthesis, Structure, and Development journal December 1994
Extraction mechanism of monovalent ion-pairs by polyurethane foams journal July 1992

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Related Subjects

process
recovering
pertechnetate
aqueous
solution
containing
solid
liquid
separation
recovery
tco
-1
disclosed
support
comprises
particles
surface-bonded
poly
ethylene
glycol
separated
contains
biphase-forming
amount
dissolved
salt
phase
admixture
bound
free
moo
-2
contemplated
chromatography
apparatus
separation particles
ethylene glycol
solid support
particles containing
aqueous solution
liquid phase
separated contains
surface-bonded poly
comprises separation
support comprises
biphase-forming amount
liquid process
liquid biphase-forming
apparatus containing
dissolved salt
particles contain
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