Search Results - "Yudintsev, S.V."

Effect of irradiation on the oxidation kinetics of TODGA-based extraction mixtures at atmospheric pressure by Skvortsov, I.V., Belova, E.V., Yudintsev, S.V.

“…The gas evolution from mixtures consisting of 0.2 M solution of N,N,N′,N′-tetra-n-octyldiglycolamide (TODGA) in n-alcohol (n-decanol or n-nonanol) with…”
Get full text

Phase partitioning and uranium speciation in brannerite-based ceramics by Stefanovsky, S.V., Yudintsev, S.V., Shiryaev, A.A., Murzin, V.Y., Trigub, A.L.

“…Branneritecontaining ceramics were produced by cold pressing and sintering (CPS) and cold crucible inductive melting (CCIM) methods and examined by X-ray…”
Get full text

Effect of irradiation on the oxidation kinetics of TODGA-based extraction mixtures at atmospheric pressure by Skvortsov, I.V, Belova, E.V, Yudintsev, S.V

“…The gas evolution from mixtures consisting of 0.2 M solution of N,N,N',N'-tetra-n-octyldiglycolamide (TODGA) in n-alcohol (n-decanol or n-nonanol) with…”
Get full text

Cold crucible melting and characterization of titanate-zirconate pyrochlore as a potential rare earth/actinide waste form by Stefanovsky, S.V., Ptashkin, A.G., Knyazev, I.A., Stefanovsky, O.I., Yudintsev, S.V., Nikonov, B.S., Myasoedov, B.F.

“…La-Ce-Gd titanate-zirconate pyrochlore-based ceramics was synthesized at the lab-scale inductive melting unit with a 56 mm inner diameter cold crucible. Batch…”
Get full text

The effect of irradiation on hydrodynamic properties of extraction mixtures based on diamides of N-heterocyclic dicarboxylic acids in heavy fluorinated diluents by Belova, E.V., Skvortsov, I.V., Kadyko, M.I., Yudintsev, S.V.

“…Hydrodynamic properties have been investigated for promising extraction systems: 0.05 mol L−1 solutions of di(N-ethyl-4-ethylanilide) of…”
Get full text

The effect of irradiation on hydrodynamic properties of extraction mixtures based on diamides of N-heterocyclic dicarboxylic acids in heavy fluorinated diluents by Belova, E.V, Skvortsov, I.V, Kadyko, M.I, Yudintsev, S.V

“…Hydrodynamic properties have been investigated for promising extraction systems: $0.05mol\;L^{-1}$ solutions of di(N-ethyl-4-ethylanilide) of…”
Get full text

Characterization of modified murataite based ceramics as a perspective hosts for actinides, fission, and corrosion products of HLW by Stefanovsky, S.V., Yudintsev, S.V., Nickolsky, M.S., Stefanovsky, O.I., Skvortsov, M.V.

“…Murataite-based ceramics containing 10 wt% rare earth (REs = La, Ce, Nd, Ho) or actinide (An = Th, U) oxides were produced in a resistive furnace at a…”
Get full text

Phase formation at synthesis of murataite-crichtonite ceramics by Yudintsev, S.V., Stefanovsky, S.V., Nikonov, B.S., Stefanovsky, O.I., Nickolsky, M.S., Skvortsov, M.V.

“…Phase formation at synthesis of potential waste form for actinide immobilization was studied. Oxide mixture with composition (wt.%): 55 TiO2, 10 MnO, 10 CaO, 5…”
Get full text

The effect of synthesis conditions on the phase composition and structure of thorium bearing murataite ceramics by Stefanovsky, S.V., Ptashkin, A.G., Stefanovsky, O.I., Yudintsev, S.V., Nikonov, B.S.

“…Samples of thorium-bearing ceramic with a target composition (wt%) 5 Al2O3, 10 CaO, 55 TiO2, 10 MnO, 5 Fe2O3, 5 ZrO2, 10 ThO2 were produced by melting in…”
Get full text

Lanthanide titanates as promising matrices for immobilization of actinide wastes by Yudintsev, S. V.

“…The samples on the basis of Ln 2 Ti 2 O 7 and Ln 4 Ti 9 O 24 lanthanide titanates were obtained by compacting-sintering and melting-crystallization processes…”
Get full text

The effect of synthesis conditions on the phase composition, structure, and chemical durability of uranium-bearing murataite ceramics by Stefanovsky, S.V., Ptashkin, A.G., Knyazev, O.A., Yudintsev, S.V., Nikonov, B.S., Stefanovsky, O.I.

“…The samples of U-bearing ceramics with a composition (wt%) 5 Al2O3, 10 CaO, 55 TiO2, 10 MnO, 5 Fe2O3, 5 ZrO2, 10 UO2 were produced by melting of oxide mixtures…”
Get full text

Matrices for Isolation of Actinide Wastes in a Deep Well Repository by Yudintsev, S. V., Nikolskii, M. S., Nikonov, B. S., Malkovskii, V. I.

“…Radioactive nuclear waste containing long-lived actinides (Np, Pu, Am, and Cm) is proposed to be placed in well repositories with a depth of up to 5 km. The…”
Get full text

Assessment of the Safe Isolation of Solid Radwaste in Subsurface Repositories by Mal’kovskii, V. I., Yudintsev, S. V., Gupalo, V. S.

“…A calculation of the removal of radionuclides by groundwaters from a subsurface repository of solid low-level waste was performed. A two-dimensional model of…”
Get full text

Influence of phosphate glass recrystallization on the stability of a waste matrix to leaching by Yudintsev, S. V., Pervukhina, A. M., Mokhov, A. V., Malkovsky, V. I., Stefanovsky, S. V.

“…In Russia, highly radioactive liquid wastes from recycling of spent fuel of nuclear reactors are solidified into Na–Al–P glass for underground storage. The…”
Get full text

Leaching of Degraded Preservative Matrices, Based on Sodium Aluminophosphate Glasses, for High-Level Wastes by Mal’kovskii, V. I., Yudintsev, S. V., Mokhov, A. V., Pervukhina, A. M.

“…The chemical stability of vitrified high-level nuclear industry wastes in contact with water was studied experimentally in application to underground disposal…”
Get full text

The behavior of rare-earth pyrochlores and perovskites under ion irradiation by Yudintsev, S. V., Livshits, T. S., Zhang, J., Ewing, R. C.

“…The behavior of samples of A 2 B 2 O 7 composition under irradiation with 1-MeV Kr 2+ ions was studied (A is a simulator of the REE-actinide fraction of the…”
Get full text

A pyrochlore-based matrix for isolation of the REE-actinide fraction of wastes from spent nuclear fuel reprocessing by Yudintsev, S. V., Stefanovsky, S. V., Nikonov, B. S.

“…The closure of the fuel cycle for more effective usage of uranium, plutonium, and other potentially useful components of spent nuclear fuel (SNF) is one of the…”
Get full text

Ion beam irradiation of U-, Th- and Ce-doped pyrochlores by Lian, J., Yudintsev, S.V., Stefanovsky, S.V., Wang, L.M., Ewing, R.C.

“…U-, Th- and Ce-doped pyrochlores were synthesized by solid state reaction: (Ca 0.62Gd 0.97U 0.23)(Zr 0.84Ti 1.34)O 6.9, (Ca 0.47Gd 0.95Th 0.40)(Zr 1.29Ti…”
Get full text

Distribution of rare earths in uranium oxides of the main types of uranium deposits: Causes and genetic meaning by Vinokurov, S. F., Golubev, V. N., Trunova, A. N., Yudintsev, S. V.

“…Three groups of industrial uranium deposits that differ in the distribution of lanthanides in U oxides have been recognized. A dependence of the REE…”
Get full text

LEACHING OF DEGRADED PRESERVATIVE MATRICES, BASED ON SODIUM ALUMINOPHOSPHATE GLASSES, FOR HIGH-LEVEL WASTES by Mal'kovskii, V.I, Yudintsev, S.V, Mokhov, A.V, Pervukhina, A.M

Get full text