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Title: Process for separation and preconcentration of radium from water

Abstract

A process for preconcentrating and separating radium from a contaminated solution containing at least water and radium includes the steps of adding a quantity of a water-soluble macrocyclic polyether to the contaminated solution to form a combined solution. An acid is added to the combined solution to form an acidic combined solution having an [H{sup +}] concentration of about 0.5M. The acidic combined solution is contacted with a sulfonic acid-based strong acid cation exchange medium or a organophilic sulfonic acid medium having a plurality of binding sites thereon to bind the radium thereto and to form a radium-depleted solution. The radium-depleted solution is separated from the strong acid cation exchange medium or organophilic sulfonic acid medium. The radium remaining bound to the exchange medium or organophilic reagent is then stripped from the exchange medium or organophilic medium and the activity of the radium is measured. 24 figs.

Inventors:
; ; ;
Issue Date:
Research Org.:
Univ. of Chicago, IL (United States)
Sponsoring Org.:
USDOE, Washington, DC (United States)
OSTI Identifier:
321247
Patent Number(s):
5863439
Application Number:
PAN: 8-870,914; TRN: 99:003334
Assignee:
Arch Development Corp., Chicago, IL (United States)
DOE Contract Number:  
W-31109-ENG-38
Resource Type:
Patent
Resource Relation:
Other Information: PBD: 26 Jan 1999
Country of Publication:
United States
Language:
English
Subject:
05 NUCLEAR FUELS; RADIOACTIVE WASTE PROCESSING; RADIUM; WASTE WATER; POLYETHYLENE GLYCOLS; SULFONIC ACIDS; ION EXCHANGE

Citation Formats

Dietz, M, Horwitz, E P, Chiarizia, R, and Bartsch, R A. Process for separation and preconcentration of radium from water. United States: N. p., 1999. Web.
Dietz, M, Horwitz, E P, Chiarizia, R, & Bartsch, R A. Process for separation and preconcentration of radium from water. United States.
Dietz, M, Horwitz, E P, Chiarizia, R, and Bartsch, R A. Tue . "Process for separation and preconcentration of radium from water". United States.
@article{osti_321247,
title = {Process for separation and preconcentration of radium from water},
author = {Dietz, M and Horwitz, E P and Chiarizia, R and Bartsch, R A},
abstractNote = {A process for preconcentrating and separating radium from a contaminated solution containing at least water and radium includes the steps of adding a quantity of a water-soluble macrocyclic polyether to the contaminated solution to form a combined solution. An acid is added to the combined solution to form an acidic combined solution having an [H{sup +}] concentration of about 0.5M. The acidic combined solution is contacted with a sulfonic acid-based strong acid cation exchange medium or a organophilic sulfonic acid medium having a plurality of binding sites thereon to bind the radium thereto and to form a radium-depleted solution. The radium-depleted solution is separated from the strong acid cation exchange medium or organophilic sulfonic acid medium. The radium remaining bound to the exchange medium or organophilic reagent is then stripped from the exchange medium or organophilic medium and the activity of the radium is measured. 24 figs.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1999},
month = {1}
}