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Title: Extractant composition including crown ether and calixarene extractants

Extractant composition including crown ether and calixarene extractants An extractant composition comprising a mixed extractant solvent consisting of calix[4] arene-bis-(tert-octylbenzo)-crown-6 ("BOBCalixC6"), 4',4',(5')-di-(t-butyldicyclo-hexano)-18-crown-6 ("DtBu18C6"), and at least one modifier dissolved in a diluent. The DtBu18C6 may be present at from approximately 0.01M to approximately 0.4M, such as at from approximately 0.086 M to approximately 0.108 M. The modifier may be 1-(2,2,3,3-tetrafluoropropoxy)-3-(4-sec-butylphenoxy)-2-propanol ("Cs-7SB") and may be present at from approximately 0.01M to approximately 0.8M. In one embodiment, the mixed extractant solvent includes approximately 0.15M DtBu18C6, approximately 0.007M BOBCalixC6, and approximately 0.75M Cs-7SB modifier dissolved in an isoparaffinic hydrocarbon diluent. The extractant composition further comprises an aqueous phase. The mixed extractant solvent may be used to remove cesium and strontium from the aqueous phase.
Authors: ; ; ; ; ; ; ;
Publication Date:
OSTI Identifier:OSTI ID: 986551
Report Number(s):7,524,469
US patent application 11/859,453; TRN: US201018%%32
DOE Contract Number:AC07-99ID13727
Resource Type:Patent
Research Org:Bechtel BWXT Idaho, LLC (Idaho Falls, ID)
Sponsoring Org:USDOE
Country of Publication:United States
Language:English
Subject: 38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY; SOLVENT EXTRACTION; CHEMICAL COMPOSITION; CALIXARENES; CESIUM; CROWN ETHERS; HYDROCARBONS; SOLVENTS; STRONTIUM