Victoria Krupskaya

Victoria Krupskaya
Russian Academy of Sciences | RAS · Belov laboratory of crystallochemistry

PhD

About

140
Publications
29,933
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1,189
Citations
Citations since 2017
87 Research Items
989 Citations
2017201820192020202120222023050100150200250
2017201820192020202120222023050100150200250
2017201820192020202120222023050100150200250
2017201820192020202120222023050100150200250

Publications

Publications (140)
Article
Full-text available
New magnetic nanocomposite sorbents were obtained by doping natural bentonite with nanosized CoFe2O4 spinel (10 and 20 wt.%). Nanocrystals of cobalt ferrite were synthesized by a citrate burning method. The structure and physical-chemical properties of the composites were characterized by XRD, XRF, TEM, BET, FTIR and Faraday balance magnetometry. D...
Article
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Dust particles from high latitudes have a potentially large local, regional, and global significance to climate and the environment as short-lived climate forcers, air pollutants, and nutrient sources. Identifying the locations of local dust sources and their emission, transport, and deposition processes is important for understanding the multiple...
Article
The article is devoted to analysis of the glauconite resource base in Russia. The geotectonic and lithological-paleogeographic positions of deposits and large glauconite occurrences, and their formation onditions are considered. Based on the structural position, age, and spatial localization of deposits and occurrences, glauconite provinces are ide...
Article
Статья посвящена анализу минерально-сырьевой базы глауконита России, рассмотрены геотекто-ническая и литолого-палеогеографическая позиции месторождений и крупных проявлений глауко-нита, условия их образования. На основании структурной позиции, возраста и пространственной локализации месторождений и проявлений, выделены глауконитовые провинции и опр...
Article
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Bentonite clays have unique properties that determine their use as the main component of engineered barrier systems (EBS) for the isolation of radioactive waste. At present, the Russian Federation is elaborating the concept of deep geological disposal of radioactive waste in crystalline rocks of the Yeniseisky site, where bentonite clays play an im...
Article
For the first time, the Holocene history of the Serp‐i‐Molot tidewater glacier at the eastern side of the Novaya Zemlya archipelago, Kara Sea, has been reconstructed based on AMS 14C dating and multiproxy analyses (lithology, mineralogy, geochemistry and microfossils) of glaciomarine sediments from the Tsivol’ki Fjord. Three main phases of the Holo...
Preprint
Full-text available
Dust particles emitted from high latitudes (≥ 50° N and ≥ 40° S, including Arctic as a subregion ≥ 60° N), have a potentially large local, regional, and global significance to climate and environment as short-lived climate forcers, air pollutants and nutrient sources. To understand the multiple impacts of the High Latitude Dust (HLD) on the Earth s...
Article
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The present study examines the sorption of Сs (I) and Sr (II) on organic sorbents in the pH range from 2 to 10, as well as the mechanisms of their binding. In order to determine the influence of the physical properties and the quantity of functional groups of the organic sorbents on sorption, experiments were carried out on organic materials of var...
Article
Изучены сорбционные характеристики ряда природных материалов – диатомита, трепела и бентонитоподобной породы – по отношению к радионуклидам 137Cs, 90Sr и 233U. Показано, что эффективность сорбции 137Cs и 90Sr прямо пропорциональна содержанию глинистой составляющей (минералов иллита и смектита) в образце и емкости катионного обмена (ЕКО), что свидет...
Article
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In rural areas, research on the environment in native (untaught) soils is important to understand the rate of pedogenesis and to prevent the problems associated with hidden huger. In this article, original data on vegetation, chemical properties and elemental and mineralogical composition of Kastanozems (Protosalic, Siltic) and Hypersalic Solonetz...
Article
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This article studies the geological structure, mineralogical composition, genesis and industrial properties of bentonite of the 10th Khutor deposit (Republic of Khakassia, Russia). The deposit is confined to the coal-bearing formation of Carboniferous age and is one of the main sources of bentonite for the metallurgical and foundry industries in Ru...
Article
The sorption parameters of a number of natural materials, diatomite, tripoli, and bentonite rock, were studied in relation to the 137 Cs, 90 Sr, and 233 U radionuclides. It was shown that the effi ciency of 137 Cs and 90 Sr sorp-tion is directly proportional to the content of the clay component (illite and smectite minerals) in the sample and to th...
Article
Full-text available
This article studies the geological structure, mineralogical composition, genesis and industrial properties of bentonite of the 10th Khutor deposit (Republic of Khakassia, Russia). The deposit is confined to the coal-bearing formation of Carboniferous age and is one of the main sources of bentonite for the metallurgical and foundry industries in Ru...
Article
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Supra-glacial material, including light-absorbing impurities (LAI) such as mineral dust of crustal and soil origin, black carbon, algae and cryoconite, reduce the reflectance of snow and glacier ice. The reduction depends on the amount of LAI and their physical and chemical properties , which vary spatially and temporally. Spectral reflectance data...
Article
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Bentonites from the 10th Khutor deposit (Republic of Khakassia, Russia) are considered a potential buffer material for isolation of radioactive waste in the crystalline rocks of Yeniseyskiy site (Krasnoyarskiy region). This study presents the results of a series of permeameter experiments with bentonite compacted to dry densities of 1.4, 1.6, and 1...
Article
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The picturesque and high conservation value thermal landscapes of the Valley of Geysers feature endothermal (heated by endogenous fluids) soils which support endangered and unique species. However, such soils have not been distinguished as a separate taxon within most classification systems. In this study, we described the soil morphology at macro-...
Article
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Clays have been adopted in most nuclear waste producing countries as a key constituent in engineered barrier systems for final disposal facilities at all levels of radioactive wastes (LILW-SL, LILW-LL, and HLW). The following study presents a thorough characterization upon five Brazilian clay-rich deposits, mostly smectite bearing clays, aiming to...
Conference Paper
Full-text available
Данная работа посвящена изучению геолого-структурной позиции, генезиса, а также минерально-сырьевой базы месторождений бентонита и цеолита на территории РФ.
Conference Paper
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Месторождение бентонита 10й Хутор расположено в республике Хакасия в 8 км западнее г. Черногорск. Данное месторождение составляет основу сырьевой базы России и обеспечивает бентонитовой продукцией большинство литейных предприятий и горно-металлургических комбинатов. Месторождение расположено в пределах развития образований континентальной туфо-песч...
Article
Large-scale efforts implemented under the Unified State System for RW Management including the construction of near-surface disposal facilities for RW Class 3 and 4, as well as provision of long-term safety at nuclear legacy facilities require the scientific community to develop systems of engineered safety barriers preventing radionuclide releases...
Article
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The sorption of Cu2+ onto bentonite modified with Al Keggin cations and humic acid from CuCl2 solutions at pH 4.5 was studied. Modification of Na-bentonite with Al Keggin cations was found to result in an increase in the basal spacing of montmorillonite from 1.29 nm for N-form to 1.85 and 1.78 nm for HAl13 and Al13 forms respectively, in a reductio...
Article
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This article is devoted to the comparison of various methods for the quantitative determination of montmorillonite content in bentonite clays based on the adsorption of organic molecules and cations. The studies were conducted on samples of natural bentonite clays of the main Russian industrial deposits and the cIS: 10th Khutor (Republic of Khakass...
Article
Full-text available
Clay minerals may transform in various systems under the influence of geological, biological, or technogenic processes. The most active to the geological environment are technogenic and biochemical processes that, in a relatively short time, can cause transformation of the rocks' composition and structure and formation of new minerals, especially c...
Article
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Данная статья посвящена сравнению различных методов количественного определения содержания монтмориллонита в бентонитовых глинах. Исследования проводились на образцах природных бентонитовых глин крупных промышленных месторождений России и стран СНГ: 10й Хутор (Респ. Хакасия), Зырянское (Курганская обл.), Даш-Салахлинское (Респ. Азербайджан), Диноза...
Article
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This investigation made it possible to compare the sorption capacity of mineral and organic sorbents in respect to U(VI). In order to establish the patterns of sorption, natural sorbents with a high content of rock-forming mineral were used: glau-conite, diatomite, zeolite, peat, brown and hard coals, shungite. Each sample was characterized using X...
Article
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Изучены минеральный состав, физико-химические свойства и сорбционные характеристики глинисто-солевых шламов (ГСШ) отходов от переработки сильвинитовой руды ОАО Беларуськалий» (Солигорск, Беларусь), а также алюмосиликатных и иллитовых сорбентов, полученных на их основе. Показано, что в процессе обогащения образцов ГСШ происходит изменение их химичес...
Article
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В работе рассмотрены основные эксплуатационные свойства бентонитовых глин как компонента барьеров безопасности при изоляции радиоактивных отходов в пунктах глубинного захоронения (ПГЗРО). Показано, что на основе проведенных экспериментальных и аналитических работ может быть выбран материал для создания инженерных барьеров безопасности ПГЗРО. Дано о...
Conference Paper
Full-text available
Целью данной работы является исследование преобразования поверхностных характеристик перспективных природных бентонитовых глин месторождений Таганское и 10-й Хутор в ходе их кислотной и щелочной модификации, имитирующей агрессивное воздействие высокореакционных растворов в течение длительного времени, что позволит выявить закономерности изменения у...
Article
Mineral composition, physicochemical properties and sorption characteristics of clay-salt slimes (CSS), wastes formed in processing of the sylvinite ore at JSC “Belaruskali” (Soligorsk, Belarus) and aluminosilicate and illite sorbents produced on their basis were studied. It was shown that dressing of CSS samples results in that their chemical and...
Article
High inputs of easily available organic matter to the subsurface may quickly activate the native microbial communities, thereby changing soil engineering properties. We studied the effect of glucose addition, an easily available carbon source, on stress-strain properties, mineralogy, and microstructure of several loamy and sandy soils over 30 days...
Article
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В статье приведены данные выполняемых в России научно-исследовательских работ по определению барьерных свойств глиняного минерального сырья и разработке рекомендаций для выбора материалов инженерных барьеров безопасности при проектировании и строительстве пунктов консервации и захоронения РАО. Приведены рекомендации по совершенствованию системы упр...
Article
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The sorption characteristics of the Kara sea bottom sediments were investigated. The sediments were collected during scientific expedition of the R/V Akademik Mstislav Keldysh (Cruise AMK-66). The mineral and fraction composition of sediments was determined. It has been found that 137Cs sorbed predominantly by an ion exchange mechanism because of t...
Article
The sorption characteristics of the Kara sea bottom sediments were investigated. The sediments were collected during scientific expedition of the R/V Akademik Mstislav Keldysh (Cruise AMK-66). The mineral and fraction composition of the sediments was determined. It has been found that 137Cs is sorbed mainly by an ion exchange mechanism because of t...
Article
Full-text available
Clayey materials have been adopted in most nuclear waste producing countries, as a key constituent in engineered barrier for final disposal facilities at all levels of radioactive wastes (LILW-SL, LILW-LL and HLW). The following study presents a thorough characterization upon five Brazilian clay rich deposits, mostly smectite bearing clays, aiming...
Article
Full-text available
This study is devoted to studying the sorption of 137Cs on mineral sorbents at a wide pH range, from 2 to 10, as well as to studying sorption mechanisms. In order to obtain the most reliable sorption characteristics, samples of high purity were examined as sorbents: bentonite, glauconite, zeolite, and diatomite. A detailed description of their mine...
Conference Paper
Full-text available
Данная работа посвящена краткому обзору геологической позиции, закономерностям размещения, а также минерально-сырьевой базе терригенно- диагенетических полезных ископаемых России, на примере бентонитовой глины и цеолита.
Conference Paper
Full-text available
The prospects of using bentonite clays from Russian deposits as a barrier material for disposal of radioactive waste are shown, given the large supply of raw materials of required quality, the technical ability to produce compacted bentonite of various forms and high both insulating and sorption properties with respect to radionuclides.
Article
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The sorption behavior of Np(V) and Cs(I) on natural and acid-treated bentonite-like clay of Ostro-zhanskoe deposit (Belarus) was studied in a wide range of radionuclide concentrations and pH values of the suspension. The sorption equilibrium with both radionuclides is attained within the first minutes of the interac¬tion. The sorption behavior on t...
Article
Full-text available
Bentonite clay is an important natural material, widely used in many industries. The purpose of this article is to analyze the mineral resource base of bentonite clays in Russia. The data on reserves of deposits, the degree of their development and production volumes are given. The composition and uses of the main developed deposits of bentonite cl...
Article
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Бентонитовые глины являются важным природным материалом, широко используемым во многих отраслях промышленности. Цель данной статьи состояла в проведении анализа минерально-сырьевой базы бентонитовых глин России. Приведены данные по запасам месторождений, степени их освоения и объемам добычи. Охарактеризован состав и направления использования основн...
Article
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Research on migration of chemical elements (ChEs) in soils is important for the understanding of geochemical processes in polluted and undisturbed landscapes. In this article, we report original data on Anthric Chernozems and Anthric Planosols within a small gully's catchment area in the Trans Urals (Russia). Mean total concentrations of 24 ChEs an...
Article
Full-text available
The paper studies the composition, structure and properties of clay minerals being considered as engineered safety barriers components providing the isolation of nuclear legacy facilities. These considerations may provide a basis for the Program aimed at development and fabrication of clay mineral compositions to ensure the safety of different nucl...
Article
Full-text available
Изучены фазовый состав, морфология частиц и гранулометрический состав коммерческих образцов порошков MgO различной химической чистоты (классификация от тех. до х.ч.), подготовленных путем термообработки при 1300°С в течение 3 ч для последующего синтеза компаунда на основе магний-калий-фосфатной матрицы MgKPO4·6H2O, перспективной для отверждения жид...
Article
The sorption of Eu(III) onto montmorillonite samples from different deposits such as those of Kutch (India), 10th Khutor deposit (Russia), and Cortijo de Archidona (Spain) was studied over a wide range of experimental conditions by varying the total Eu concentration, pH, and ionic strength. Various bentonite samples showed quantitative sorption at...
Article
Full-text available
Phase composition, particle morphology, and granulometric composition of commercial samples of MgO powders of various chemical purities (classification from technical grade to chemical grade) prepared by heat treatment at 1300°C for 3 h were studied for the subsequent synthesis of a compound based on magnesium potassium phosphate matrix MgKPO4·6H2O...
Article
Full-text available
Complex studies revealed transformations of composition, structure, and properties of bentonite clays of the Taganskoe (Kazakhstan) and Dahskovskoe (Moscow oblast) deposits under thermochemical treatment. Leaching of cations from interlayer and octahedral sites, protonation of interlayer and OH-groups lead to the modification of interlayer and 2 :...
Article
Bentonites are often used as components of engineered barrier systems (EBS) for the radioactive waste disposal and isolation of hazardous nuclear facilities. In this paper, we consider possible transformations of the composition , structure and properties of bentonites when they are used as EBS components during the decom-missioning of open pools w...
Preprint
Full-text available
Complex studies revealed transformations of composition, structure, and 19 properties of bentonite clays of the Taganskoe (Kazakhstan) and Dahskovskoe (Moscow oblast) 20 deposits under thermochemical treatment. Leaching of cations from interlayer and octahedral 21 sites, protonation of interlayer and OH-groups lead to the modification of interlayer...
Article
The sorption of Cs⁺ onto raw Kutch clay (India) over a wide range of concentrations and pH levels was studied and compared with its sorption onto the well-studied FEBEX clay (Spain). The principal clay mineral in both samples is montmorillonite. Non-linear sorption isotherms were measured for both clays. The shapes of the isotherms prompted the use...
Article
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Analysis of the evolution of bauxite-bearing weathering crust in the geological history of Asia, as well as detailed mineralogical–geochemical and hydrogeochemical studies, has made it possible to consider supergene infiltration metasomatism as a single mechanism for the formation of the eluvial zonal profile, using the weathering crust of southern...
Article
Argillites that strongly luminesce under UV radiation were detected in the Bazhenov Shale Formation (BSF) of the West Siberian Basin during routine core examination and found to be persistent over a wide lateral area. The mineralogy and fabric of these luminescent layers were characterized by optical and fluorescence microscopy, SEM, TEM, XRD and I...
Article
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The paper reports data obtained in the course of a comprehensive physicochemical study of Li-tosudite, a mixed-layer mineral from hydrothermally altered rocks in western Chukotka, Russia, whose formula was reliably established. The enthalpy of formation of Li-tosudite from Chukotka, Ca0.15(Li0.9Mg0.2Al6.0)[Si6.4Al1.6O20](OH)10 · 3.3H2O, from elemen...
Article
Full-text available
The paper studies the composition, structure and properties of clay minerals being considered as engineered safety barriers components providing the isolation of nuclear legacy facilities. These considerations may provide a basis for the Program aimed at development and fabrication of clay mineral compositions to ensure the safety of different nucl...
Article
Full-text available
Subaerial endolithic systems of the current extreme environments on Earth provide exclusive insight into emergence and development of soils in the Precambrian when due to various stresses on the surfaces of hard rocks the cryptic niches inside them were much more plausible habitats for organisms than epilithic ones. Using an actualistic approach we...
Article
In this work, we study different clay samples to examine the effect of structural features of clay minerals (2:1 and 1:1 structures), interlayer cations (Na/Ca/Li forms of montmorillonite), surface area and presence of accessory minerals (iron oxides, calcite, quartz) on Np(V) sorption at trace concentrations. Various techniques, e.g., XRD, XRF, DT...
Article
Full-text available
Abnormally luminescing thin layers (ALTL) in sediments of the Bazhenov Formation in limits of the West Siberia petroliferous basin were investigated which were discovered on the territory of Tomsk and Khanty-Mansiysk autonomous district. Investigations of mineral composition of this luminescent layers have shown that they composed mainly by clayey...