scholarly journals Interim report on a multi-day test of the caustic-side solvent extraction flowsheet for cesium removal from a simulated SRS tank waste.

2001 ◽  
Author(s):  
R A Leonard ◽  
S B Aase ◽  
H A Arafat ◽  
D B Chamberlain ◽  
C Conner ◽  
...  
Keyword(s):  
Solvent Extraction ◽  
Interim Report ◽  
Cesium Removal ◽  
Tank Waste

Proof-of-Concept Flowsheet Tests for Cesium Removal from Tank Waste by Caustic-Side Solvent Extraction

2002 ◽  
Vol 713 ◽  
Author(s):  
David B. Chamberlain ◽  
Scott Aase ◽  
Hassan A. Arafat ◽  
Cliff Conner ◽  
Ralph A. Leonard ◽  
...  
Keyword(s):  
Solvent Extraction ◽  
National Laboratory ◽  
Argonne National Laboratory ◽  
Decontamination Factor ◽  
High Level Waste ◽  
Savannah River ◽  
Alkyl Aryl ◽  
Oak Ridge ◽  
Cesium Removal ◽  
Tank Waste

ABSTRACTA caustic-side solvent extraction (CSSX) process to remove cesium from Savannah River Site (SRS) high-level waste has been developed through a joint program with Oak Ridge National Laboratory (ORNL), the Savannah River Technical Center (SRTC), and Argonne National Laboratory (ANL). The CSSX solvent consists of four components: (1) an extractant, a calixarene crown, calix[4]arene-bis(tert-octylbenzo-crown-6) designated BOBCalixC6, (2) a modifier, an alkyl aryl polyether, 1-(2,2,3,3,-tetrafluoropropoxy)-3-(4-sec-butylphenoxy)-2-propanol, also called Cs-7SB, (3) a suppressant, an alkyl amine, trioctylamine (TOA), and (4) a diluent, Isopar®L. The solvent composition is 0.01 M BOBCalixC6, 0.50 M Cs-7SB, and 0.001 M TOA in Isopar®L. In this program we have developed and demonstrated a flowsheet that can be used to process SRS tank waste. To this end, a series of flowsheet tests were completed using simulated waste in a 2-cm centrifugal contactor at ANL. Three short-term (3-4 hours) tests were completed to demonstrate various aspects of the flowsheet. These tests were followed by a 71-h test where the solvent was recycled 42 times. In each case, we met or exceeded the key process goals: (1) cesium removal from the waste with a decontamination factor greater than 40,000, (2) concentration of cesium in the aqueous strip effluent by a factor of 15 using dilute nitric acid, and (3) stripping the solvent sufficiently to allow it to be recycled many times. The results from the 71-h test are discussed.

DEVELOPMENT OF A SOLVENT EXTRACTION PROCESS FOR CESIUM REMOVAL FROM SRS TANK WASTE

2001 ◽  
Vol 36 (5-6) ◽  
pp. 743-766 ◽  
Author(s):  
Ralph A. Leonard ◽  
Cliff Conner ◽  
Matthew W. Liberatore ◽  
Jake Sedlet ◽  
Scott B. Aase ◽  
...  
Keyword(s):  
Solvent Extraction ◽  
Extraction Process ◽  
Cesium Removal ◽  
Tank Waste

scholarly journals Multi-day test of the caustic-side solvent extraction flowsheet for cesium removal from a simulated SRS tank waste.

2002 ◽  
Author(s):  
R A Leonard ◽  
S B Aase ◽  
H A Arafat ◽  
D B Chamberlain ◽  
C Conner ◽  
...  
Keyword(s):  
Solvent Extraction ◽  
Cesium Removal ◽  
Tank Waste

Cesium removal from AP-105 Hanford tank waste using spherical resorcinol formaldehyde resin

2019 ◽  
Vol 54 (12) ◽  
pp. 1932-1941 ◽  
Author(s):  
Sandra K. Fiskum ◽  
Heather A. Colburn ◽  
Amy M. Rovira ◽  
Jarrod R Allred ◽  
Margaret R. Smoot ◽  
...  
Keyword(s):  
Formaldehyde Resin ◽  
Resorcinol Formaldehyde ◽  
Cesium Removal ◽  
Tank Waste

scholarly journals DEVELOPING AND TESTING AN ALKALINE-SIDE SOLVENT EXTRACTION PROCESS FOR TECHNETIUM SEPARATION FROM TANK WASTE

1999 ◽  
Vol 34 (6-7) ◽  
pp. 1043-1068 ◽  
Author(s):  
Ralph A. Leonard ◽  
Cliff Conner ◽  
Matthew W. Liberatore ◽  
Peter V. Bonnesen ◽  
Derek J. Presley ◽  
...  
Keyword(s):  
Solvent Extraction ◽  
Extraction Process ◽  
Alkaline Side ◽  
Tank Waste

scholarly journals Cesium Removal from Savannah River Site Radioactive Waste using the Caustic-Side Solvent Extraction (CSSX) Process

2005 ◽  
Vol 40 (1-3) ◽  
pp. 297-309 ◽  
Author(s):  
D. D. Walker ◽  
M. A. Norato ◽  
S. G. Campbell ◽  
M. L. Crowder ◽  
S. D. Fink ◽  
...  
Keyword(s):  
Solvent Extraction ◽  
Radioactive Waste ◽  
Savannah River Site ◽  
Savannah River ◽  
Cesium Removal ◽  
River Site

scholarly journals Hanford tank waste supernatant cesium removal test plan

1996 ◽  
Author(s):  
D.W., Westinghouse Hanford Hendrickson
Keyword(s):  
Test Plan ◽  
Cesium Removal ◽  
Tank Waste

Development and testing of a cobalt dicarbollide based solvent extraction process for the separation of cesium and strontium from acidic tank waste

2002 ◽  
Vol 37 (8) ◽  
pp. 1807-1831 ◽  
Author(s):  
R. S. Herbst ◽  
J. D. Law ◽  
T. A. Todd ◽  
V. N. Romanovskii ◽  
V. A. Babain ◽  
...  
Keyword(s):  
Solvent Extraction ◽  
Extraction Process ◽  
Tank Waste
Sign in / Sign up

Export Citation Format

Share Document