Method and solvent composition for regenerating an ion exchange resin

Even, William R; Irvin, David J; Irvin, Jennifer A; Tarver, Edward E; Brown, Gilbert M; Wang, James C. F.

Title: Method and solvent composition for regenerating an ion exchange resin

Patent · Tue Jan 01 00:00:00 EST 2002

OSTI ID:874521

Even, William R ^[1]; Irvin, David J ^[1]; Irvin, Jennifer A ^[1]; Tarver, Edward E ^[1]; Brown, Gilbert M ^[2]; Wang, James C. F. ^[1]

Livermore, CA
Knoxville, TN

A method and composition for removing perchlorate from a highly selective ion exchange resin is disclosed. The disclosed approach comprises treating the resin in a solution of super critical or liquid carbon dioxide and one or more quaternary ammonium chloride surfactant compounds.

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Research Organization:: Sandia National Laboratories (SNL), Albuquerque, NM, and Livermore, CA (United States)

DOE Contract Number:: AC04-94AL85000

Assignee:: Sandia Corporation (Livermore, CA)

Patent Number(s):: US 6407143

OSTI ID:: 874521

Country of Publication:: United States

Language:: English

References (11)

Supercritical fluid extraction of polar analytes using in situ chemical derivatization Hawthorne, Steven B.; Miller, David J.; Nivens, David E. Analytical Chemistry, Vol. 64, Issue 4 https://doi.org/10.1021/ac00028a015	journal	February 1992
Perchlorate Chemistry: Implications for Analysis and Remediation Urbansky, Edward T. Bioremediation Journal, Vol. 2, Issue 2 https://doi.org/10.1080/10889869891214231	journal	September 1998
Ion pair partition chromatography of organic ammonium compounds Eksborg, Staffan.; Schill, Goran. Analytical Chemistry, Vol. 45, Issue 12 https://doi.org/10.1021/ac60334a019	journal	October 1973
An investigation of groundwater organics, soil minerals, and activated carbon on the complexation, adsorption, and separation of technetium-99 Gu, B.; Dowlen, K. E. https://doi.org/10.2172/219315 ORNL/TM--13154	report	January 1996
Ternary Systems of Liquid Carbon Dioxide Francis, Alfred W. The Journal of Physical Chemistry, Vol. 58, Issue 12 https://doi.org/10.1021/j150522a014	journal	December 1954
Assessment of the influences of groundwater colloids on the migration of technetium-99 at the Paducah Gaseous Diffusion Plant Site in Paducah, Kentucky Gu, B.; McDonald, J. A.; McCarthy, J. F. https://doi.org/10.2172/10187151 ORNL/TM--12747	report	July 1994
Determination of the Quaternary Ammonium Surfactant Ditallowdimethylammonium in Digested Sludges and Marine Sediments by Supercritical Fluid Extraction and Liquid Chromatography with Postcolumn Ion-Pair Formation Fernández, Pilar; Alder, Alfredo C.; Suter, Marc J. -F. Analytical Chemistry, Vol. 68, Issue 5 https://doi.org/10.1021/ac9505482	journal	January 1996
State‐of‐the‐art on the supercritical extraction of organics from hazardous wastes Groves, Frank R.; Brady, Basil; Knopf, F. Carl Critical Reviews in Environmental Control, Vol. 15, Issue 3 https://doi.org/10.1080/10643388509381733	journal	January 1985
Quantitative extraction of linear alkylbenzenesulfonates using supercritical carbon dioxide and a simple device for adding modifiers Hawthorne, Steven B.; Miller, David J.; Walker, David D. Journal of Chromatography A, Vol. 541 https://doi.org/10.1016/S0021-9673(01)95991-6	journal	January 1991
Kinetic optimization of capillary supercritical fluid chromatography using carbon dioxide as the mobile phase Springston, S. R.; Novotny, M. Chromatographia, Vol. 14, Issue 12 https://doi.org/10.1007/BF02259454	journal	December 1981
Quantitative determination of sulfonated aliphatic and aromatic surfactants in sewage sludge by ion-pair/supercritical fluid extraction and derivatization gas chromatography/mass spectrometry Field, Jennifer A.; Miller, David J.; Field, Thomas M. Analytical Chemistry, Vol. 64, Issue 24 https://doi.org/10.1021/ac00048a013	journal	December 1992

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method
solvent
composition
regenerating
exchange
resin
removing
perchlorate
highly
selective
disclosed
approach
treating
solution
super
critical
liquid
carbon
dioxide
quaternary
ammonium
chloride
surfactant
compounds
carbon dioxide
exchange resin
highly selective
solvent composition
comprises treating
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Title: Method and solvent composition for regenerating an ion exchange resin

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References (11)

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