Zobrazeno 1 - 10
of 75
pro vyhledávání: '"Kent D. Abney"'
Publikováno v:
Industrial & Engineering Chemistry Research. 46:6032-6040
A series of Nafion films with both carboxylic and sulfonic acid functional groups were prepared and tested for water/nitric acid permselectivity. Unlike the commercially available Nafion 90209 membrane, which is comprised of a sulfonate ionomer lamin
Publikováno v:
Journal of Membrane Science. 298:190-201
The effect of thermal annealing as a pretreatment procedure for Nafion® membranes was investigated. Commercial membranes with different thicknesses and ages (all melt extruded films) were considered. After a short heat treatment at 165 °C, the prot
Publikováno v:
Separation Science and Technology. 41:2031-2046
Pyrochemical operations at Los Alamos Plutonium Facility use high temperature melts of calcium, sodium, and potassium salts in the plutonium metal purification process. Aqueous chloride operations recover the remaining plutonium from the residue salt
Publikováno v:
Inorganic Chemistry. 44:6463-6469
Synthetic exploration of K/Cu/Th/S quaternary phase space has yielded three new compounds: KCuThS 3 (I), K 2 -Cu 2 ThS 4 (II), and K 3 Cu 3 Th 2 S 7 (III). All three phases are semiconductors with optical band gaps of 2.95, 2.17, and 2.49 eV(I-III).
Publikováno v:
Inorganic Chemistry. 44:2106-2113
Two new thorium chalcophosphates have been synthesized by the reactive flux method and characterized by single-crystal X-ray diffraction, diffuse reflectance, and Raman spectroscopy: Cs4Th2P6S18 (I); Rb7Th2P6Se21 (II). Compound I crystallizes as colo
Autor:
Elizabeth A. Bluhm, Simon Balkey, Yvonne A. Martinez, Daniel J. Garcia, Brenda J. Griego, Benjie T. Martinez, Carl D. Martinez, Manuelita M. Valdez, Judy D. Roybal, David Martinez, James T. Dyke, Jason Brock, Joe Ray Martinez, Jose A. Valdez, Kent D. Abney, Fawn Coriz, Brian K. Bluhm, Lonny Morgan, Kevin B. Ramsey
Publikováno v:
Separation Science and Technology. 40:281-296
Los Alamos National Laboratory (LANL) has been tasked to produce 120 kg of plutonium as highly purified PuO2 for the European Mixed Oxide (MOX) Lead Test Assembly managed by Duke, COGEMA, Stone & Webster (DCS). To meet stringent and challenging techn
Publikováno v:
Separation Science and Technology. 40:709-723
The surface engineering of polycarbonate track‐etched (PCTE) membranes was performed to create a permselective membrane for the removal of trace levels of fission products and transuranic metals from acidic streams. Electroless gold deposition was
Autor:
Scott A. Kinkead, R. J. Kissane, P. Gary Eller, Robert J. Hanrahan, Larry R. Avens, Kent D. Abney
Publikováno v:
Journal of Alloys and Compounds. 365:134-137
Because of their rapid dissolution of many actinide metals and refractory oxides, superacids such as HSO 3 F/SbF 5 have potential applications in actinide processing. However, material compatibility must first be addressed because of the highly corro
Autor:
Richard G. Haire, C. Drew Tait, Steven D. Conradson, Patricia Paviet-Hartmann, P.D. Palmer, Anthony J. Lupinetti, Erik D. Brady, Francisco J. Espinosa-Faller, Wolfgang Runde, Luis A. Morales, Ryan F. Hess, D. Webster Keogh, Pamela L. Gordon, Franck Wastin, Nancy J. Hess, Christophe Den Auwer, Gerard H. Lander, and D. Kirk Veirs, David Clark, Sean D. Reilly, Bruce D. Begg, Mei Ding, Peter K. Dorhout, Mary P. Neu, Kent D. Abney
Publikováno v:
Inorganic Chemistry. 43:116-131
Pu L(3) X-ray near edge absorption spectra for Pu(0-VII) are reported for more than 60 chalcogenides, chlorides, hydrates, hydroxides, nitrates, carbonates, oxy-hydroxides, and other compounds both as solids and in solution, and substituted in zircon
Autor:
Annette L. Bunge, Stephen B. Schreiber, J. Douglas Way,†,‡ and, Elizabeth A. Bluhm, Richard L. Ames, Kent D. Abney
Publikováno v:
Industrial & Engineering Chemistry Research. 42:2853-2860
Aqueous ion transport through unmodified, acid/base resistant, stainless steel membrane material was investigated to determine the feasibility of using the material as a basis for an actinide separation unit operation. The Mott Metal Corporation memb