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Stabilization of Rocky Flats combustible residues contaminated with plutonium metal and organic solvents

Description: This report describes tests on a proposed flowsheet designed to stabilize combustible residues that were generated at the Rocky Flats Environmental Technology Site (RFETS) during the machining of plutonium metal. Combustible residues are essentially laboratory trash contaminated with halogenated organic solvents and plutonium metal. The proposed flowsheet, designed by RFETS, follows a glovebox procedure that includes (1) the sorting and shredding of materials, (2) a low temperature thermal deso… more
Date: September 30, 1998
Creator: Bowen, S. M.; Cisneros, M. R.; Jacobson, L. L.; Schroeder, N. C. & Ames, R. L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Distributions of 14 elements into 10 liquid extractants from simulated acid-dissolved sludge and acidified supernate solutions of Hanford high-level waste

Description: The distributions of 14 elements into ten extractants were measured from simulant solutions that represent acidic dissolved sludge and acidified supernate from Hanford HLW Tank 102-SY. The extractants: LIX{sup TM}-26, LIX{sup TM}-54, LIX{sup TM}-84, LIX{sup TM}-1010, Cyanex{sup TM} 272, Cyanex{sup TM} 923, Aliquat{sup TM} 336, DHDECMP, DHDECMP-DIPB, and CMPO-DIPB, were sorbed on porous carbon beads to provide dry-appearing beads that would be suitable for column operations. The selected element… more
Date: February 1, 1994
Creator: Marsh, S. F.; Svitra, Z. V. & Bowen, S. M.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Distributions of 15 elements on 58 absorbers from simulated Hanford Double-Shell Slurry Feed (DSSF)

Description: As part of the Hanford Tank Waste Remediation System program at Los Alamos, we evaluated 58 commercially available or experimental absorber materials for their ability to remove hazardous components from high-level waste. These absorbers included cation and anion exchange resins, inorganic exchangers, composite absorbers, pillared layered materials, and a series of liquid extractants sorbed on porous support-beads. We tested these absorbers with a solution that simulates Hanford double-shell sl… more
Date: November 1, 1994
Creator: Marsh, S. F.; Svitra, Z. V. & Bowen, S. M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Effects of aqueous-soluble organic compounds on the removal of selected radionuclides from high-level waste part I: Distribution of Sr, Cs, and Tc onto 18 absorbers from an irradiated, organic-containing leachate simulant for Hanford Tank 101-SY

Description: Many of the radioactive waste storage tanks at U.S. Department of Energy facilities contain organic compounds that have been degraded by radiolysis and chemical reactions. In this investigation, we measured the effect of some aqueous-soluble organic compounds on the sorption of strontium, cesium, and technetium onto 18 absorbers that offer high sorption of strontium from organic-free solutions. For our test solution we used a leachate from a simulated slurry for Hanford Tank 101-SY that initial… more
Date: January 1, 1995
Creator: Marsh, S. F.; Svitra, Z. V. & Bowen, S. M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Distributions of 12 elements on 64 absorbers from simulated Hanford Neutralized Current Acid Waste (NCAW)

Description: As part of the Hanford Tank Waste Remediation System program at Los Alamos, we evaluated 64 commercially available or experimental absorber materials for their ability to remove hazardous components from high-level waste. These absorbers included cation and anion exchange resins, inorganic exchangers, composite absorbers, and a series of liquid extractants sorbed on porous support-beads. We tested these absorbers with a solution that simulates Hanford neutralized current acid waste (NCAW) (pH 1… more
Date: December 1, 1994
Creator: Svitra, Z. V.; Bowen, S. M. & Marsh, S. F.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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