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РЕАКТИВАЦИЯ СОРБЕНТА (ГРАНУЛИРОВАННОГО АКТИВИРОВАННОГО УГЛЯ) ДВУХСЛОЙНЫХ СКОРЫХ ФИЛЬТРОВ ДЛЯ ОПТИМИЗАЦИИ КАЧЕСТВА ПИТЬЕВОГО ВОДОСНАБЖЕНИЯ
Вода и экология: проблемы и решения. 2021. № 1(85). С. 3–8.
Портнова Т. М., Витковская Р. Ф., Дрегуло А. М., Кудрявцев А. В., Родионов В. З., Проценко О. В., Фуртатова А. С.
Water supply organizations are currently in need of innovative solutions and technologies based on the concept of the closed-loop resource cycle. The need for sustainable use of resources serves as the basis for changing the existing approach where worn-out resources are considered wastes. Materials and methods. In this paper, we show that it is expedient to restore the sorption properties of granulated activated carbon (GAC) by its reactivation and reuse in closed-loop recycling. We also present methods to study GAC properties and technology of reactivation. Results and discussion. Based on the results of the GAC samples’ analysis, it was found that, during reactivation, the mass content of each fraction changes with a strongly pronounced decrease in the content of large granules with a size of 1.18–2.00 mm and an increase in the content of small granules with a size of 0.60–1.00 mm. Besides, the apparent density of the sorption material changes and the volume of carbon that underwent two reactivations falls below 75%. Conclusion. GAC reactivation in dual-media rapid filters allows us to optimize not only the operating and financial expenses of the company but also those natural resources that would have been spent for the production of new carbon
Гущина В. А., / Series chemrxiv-2023-vpzhz-v2 "ChemRxiv". 2023.
All-inorganic perovskite CsPbBr3 and Cs4PbBr6 nanoparticles are being intensively studied due to their unique properties and wide range of applications; however, however, the nature of their optical properties is not yet fully understood due to the difficulty of synthesis of singlephase nanoparticles. In this article we describe the features of the synthesis of single-phase particles ...
Added: May 14, 2026
Гущина В. А., Mendeleev Communications 2025 Vol. 35 No. 2 P. 193–195
All-inorganic perovskite CsPbBr3 and Cs4PbBr6 nanoparticles are intensively studied for their unique optical properties, though synthesizing single-phase nanoparticles has posed challenges. Detailed synthesis method of CsPbBr3 and Cs4PbBr6 single-phase nanoparticles and their chemical and phase analysis are described. Distinctive optical characteristics, such as photoluminescence, optical band gap and the Urbach tail region, are revealed and explained within the current ...
Added: May 14, 2026
Гущина В. А., Physics of Complex System 2026 Vol. 7 No. 1 P. 3–15
Heterostructures based on ZnO nanorods and CsPbBr3 nanocrystals were investigated for their potential as semiconductor SERS substrates. We found that ZnO morphology governs the efficiency of interfacial energy transfer, leading to enhanced photoluminescence under 390 nm excitation and a noticeable reduction of the bandgap in the composites. Raman analysis revealed a pronounced intensity enhancement and ...
Added: May 14, 2026
Semenova D., Radygina A., Zaripova J. et al., Nutrition and Food Science 2026 P. 1–13
Purpose
This study aims to investigate how objective (chemical composition, processing method) and subjective (perceived fat content) milk characteristics influence taste perception.
Design/methodology/approach
A blind tasting experiment was conducted with 36 participants who evaluated six commercial milk samples (all 2.5% fat) differing in thermal processing and brand territorial coverage. Each sample was tasted twice, yielding 432 observations. Fatty ...
Added: May 14, 2026
Гущина В. А., Russian Journal of Inorganic Chemistry 2024 Vol. 69 No. 6 P. 940–948
Currently, ABX3 nanoparticles (NPs) based on lead halides attract the attention due to their unique optical properties and a wide range of applications. The preparation of NPs with lead as a partial or complete replacement is particularly interesting because of the toxicity of this chemical element and most of its compounds. In this study, we propose a ...
Added: May 6, 2026
Ermolin I., Suvorkov P., Conservation Biology 2026 No. e70300 P. 1–10
Illegal, unreported, and unregulated (IUU) fishing driven by artisanal small-scale fisheries is a critical threat to global biodiversity and is exemplified by the commercial extinction of Caspian sturgeons (Acipenser and Huso). A key knowledge gap persists regarding the scale and behavioral dynamics of these operations.We tested the hypothesis that persistent high-volume sturgeon poaching is sustained ...
Added: April 25, 2026
Ершов И. А., Системная инженерия и инфокоммуникации 2025 № 4 С. 11–14
The heat consumption of residential buildings is a stochastic series. It is necessary for the design of thermal energy regulators the creation of a neural network model. In the paper, the model is carried out based on Long Short-Term Memory (LSTM). The high accuracy of reproducing the series was achieved by training the model on ...
Added: April 22, 2026
Enchilik P. R., G.V.Klink, Semenkov I. N., Science of the Total Environment 2025 Vol. 998 Article 180219
Natural regeneration of forest soils affected by agricultural practices is a common phenomenon in many regions worldwide, particularly in boreal ecosystems. Affecting soil quality, the partitioning of extractable fractions of heavy metals and metalloids (HMMs) is not studied during natural regeneration. The following stages of natural regeneration after plowing have been identified in the Smolenskoye ...
Added: April 19, 2026
Barut A., Proskuryakova L. N., Yakutkina V. et al., Renewable Energy 2026 Vol. 267 Article 125736
The global demand for rare earth metals (REM) has exceeded the global supply, exacerbating the deficit of these resources for wind turbines, solar panels, electric vehicles, and nuclear reactors. The largest REM exporting and importing countries have the power to influence energy transition in their own countries and around the world. This study analyzes the ...
Added: April 8, 2026
S. S. Bricheva, P. M. Shilov, Yurchenko A. P. et al., Eurasian Soil Science 2025 Vol. 58 Article 74
The high variability of properties in urban soils and the abundance of anthropogenic inclusions that interfere with the propagation of electromagnetic fields are the reasons why they are seldom studied by geophysics. At the same time, geophysics is an efficient and fast way to diagnose soil structure and dynamics without affecting the functioning of the ...
Added: March 26, 2026
Dregulo A., Environmental Science and Pollution Research 2026 Vol. 33 No. 8 P. 3252–3265
The present study focuses on greenhouse gas emissions from wastewater treatment and sewage sludge disposal at landfill. Traces of ammonium, dihydrosulfide, phenol, formaldehyde, various hydrocarbons, and mercaptans have been identified. The dynamics of these gases are especially intense during the purification process from grids to aerotanks. Methane concentrations fluctuated more than sixfold in the wastewater ...
Added: February 10, 2026
Ekaterina G. Odintsova, Darya L. Gurina, Yury A. Budkov, Colloids and Surfaces A: Physicochemical and Engineering Aspects 2026 Vol. 736 Article 139693
The behavior of water under nanoscale confinement is crucial for numerous technologies; yet predicting its
properties remains challenging due to the complex interplay of pore geometry and surface chemistry. While the
influence of general hydrophilicity is recognized, the specific role of the flexibility of surface functional groups - a
key molecular-scale feature - has remained underexplored. To address ...
Added: January 24, 2026
A. S. Baybar, M. Yu. Puzachenko, R. B. Sandlersky, Geography and Natural Resources 2025 Vol. 46 No. S1 P. S15–S22
This article presents a methodology for landscape mapping based on the integration of long-term series of multispectral data and morphometric characteristics of the relief for various hierarchical levels. Using the example of the Central Forest Reserve and its adjacent territory, where both indigenous and anthropogenically modified geosystems are combined, it is shown that the identification ...
Added: January 14, 2026
Nadezhda Kerimova, Akimov P., Ntoumanis I. et al., Scientific Reports 2025 Vol. 15 Article 43524
Previous studies have demonstrated that people focus on fewer specific features of natural environments compared to built environments. This may imply that neural activity stronger converge across individuals in green environments than in built environments, where people may focus very differently on diverse and often overloading urban stimulation. We hypothesized that the similarity of mental ...
Added: January 10, 2026
Taye B., Bi Z., Zhilenkov A. et al., The Journal of Physical Chemistry Letters 2026 Vol. 17 No. 2 P. 685–690
Interfacial defects remain a key limitation of the performance of perovskite solar cells (PSCs). Using first-principles density functional theory (DFT) and SCAPS-1D device simulations, we examine how sulfonate and primary amine salts can jointly passivate the SnO2/perovskite buried interface. The sulfonate group forms strong S–O–Sn bonds with surface Sn atoms, while the ammonium cation anchors ...
Added: December 29, 2025
Gurina D., Budkov Y., Colloids and Surfaces A: Physicochemical and Engineering Aspects 2026 Vol. 733 Article 139276
Molecular dynamics (MD) simulations were employed to investigate the solubilization of gallic acid (GA) and quercetin (QCTN) in water reverse micelles (RMs) stabilized by sodium bis(2-ethylhexyl) sulfosuccinate (AOT) in isooctane, carbon tetrachloride (CCl4), and supercritical carbon dioxide (scCO2). The results revealed distinct solvent-dependent RM morphologies: ellipsoidal and near-spherical in isooctane, near-spherical in CCl4, and elongated, ...
Added: December 17, 2025
СПб.: Университет ИТМО, 2024.
Издание содержит результаты научных работ молодых ученых, доложенные на Пятьдесят третьей (LIII) научной и учебно-методической конференции Университета ИТМО, проходившей с 29 января по 02 февраля 2024 года, по тематикам: робототехника и искусственный интеллект, системы управления и электроинженерия, мультимедиа-технологии, дизайн и юзабилити, программная инженерия и компьютерные технологии, цифровые технологии в индустрии, фотоника и прикладная оптика, деятельность ...
Added: December 13, 2025
Nikolaev A., Kychkin A., Journal of Mining Institute 2025 Vol. 275 P. 18–29
Controlling the ventilation in underground mining enterprises (UME), characterized by high inertia and numerous influencing external factors, based on real-time sensor data located in mine workings and on the surface, with a high level of accuracy in regulating air supply by the main ventilation unit (MVU), is feasible only under conditions of a pre-defined sequence ...
Added: November 4, 2025
Zhu X., Jiang X., Fu S. et al., Advanced Energy Materials 2025 Vol. 15 No. 47 Article e03666
Perovskite solar cells (PSCs), as a promising photovoltaic technology, have achieved remarkable progress in efficiency. However, perovskite with soft-lattice nature inherently suffers from severe iodine losses under photothermal operation, leading to the irreversible degradation in their photovoltaic performance, thereby remaining a great challenge to achieving durable PSCs. Here, electrostatic iodine regulation is reported by rational ...
Added: October 4, 2025
Туханова В. Ю., Костюмология 2025 Т. 10 № 2
The article presents the method of developing the digital animated presentation of clothing. The features of the design stages of digital products of fashion industry are considered, taking into account the immersive effect. The author provides an overview of the current state of development of immersive technologies in the global context. Immersiveness is defined as ...
Added: October 3, 2025
Sivaev S., Abdullaev A., Городские исследования и практики 2025 Т. 10 № 2 С. 67–83
This study examines concession agreements in water supply and wastewater sector within municipalities of the Russian Federation.
Its objectives are to conduct a substantive and statistical analysis of these agreements, identify barriers to private investment in the public utilities sector, and develop proposals for improving the state regulation of public-private partnerships (PPP) to enhance the sector’s ...
Added: September 11, 2025
Dolmatov I. A., Sheval I., Городские исследования и практики 2025 Т. 10 № 2 С. 134–149
Основная цель государства при управлении секторами, оказывающими коммунальные услуги, в том числе и в сфере водоснабжения и водоотведения, — обеспечение населения и экономики надежными и качественными услугами по доступным ценам. Реализуя эту цель, государство выполняет функции регулятора, важнейшей задачей которого становится обеспечение условий для развития наиболее эффективных форм управления такими предприятиями. Однако в настоящее время ...
Added: September 10, 2025
Трассировка транзитной инфраструктуры коммунальных сетей: подход теории общественного благосостояния
Smirnov O., Sivaev S., Journal of Applied Economic Research 2024 Т. 23 № 2 С. 341–363
The construction of real estate for a wide range of purposes necessitates the creation of new infrastructure. This paper shows that the existing methodology for paying for connection to water supply and sanitation systems contains a significant drawback in the form of the creation of many overlapping networks instead of the construction of one common ...
Added: June 28, 2024
Dolmatov I. A., Koval A. N., Sukholitko I. S. et al., Издательский дом НИУ ВШЭ, 2023.
В издании приведен сравнительный анализ за 2021–2023 гг. ставок платы и стоимости подключения (технологического присоединения) к сетям инженерно-технического обеспечения: электрическим сетям, сетям газоснабжения, системам теплоснабжения и централизованным системам водоснабжения и водоотведения.
Подготовлен рэнкинг субъектов Российской Федерации по стоимости подключения к сетям инженерно-технического обеспечения как характеристика доступности энергетических и коммунальных ресурсов, являющейся одним из критериев инвестиционного потенциала ...
Added: July 20, 2023