Synthesis and production of new sanitary and hygienic products modified with nanocomposites

МРНТИ 61.71.31. №2-2024 PDF https://doi.org/10.53939/1560-5655_2024_2_42 Mutushev A.Zh., Mukhanov D.K., Nuraly A.M., Rysbayeva Ye.Zh. Abstract. The problem of maintaining high quality of manufactured products is crucial. A key factor in the food quality assurance system is industrial sanitation. In this regard, widely used drugs are detergents, but it is necessary to modify existing developments taking into account the concept…

Studying the toxicity and safety of the carbon mass of hemosorbent

МРНТИ 31.23.01, 34.39.49 №2-2024 PDF https://doi.org/10.53939/1560-5655_2024_2_33 Nuraly A.M., Mutushev A.Zh., Aitzhan M.U., Seisenova A.B., Kudyarova Zh.B., Baiseitov D.A. Abstract. In recent years, methods of extracorporeal detoxification using carbon materials have received due recognition and widespread development. Carbon materials for blood detoxification based on coal have firmly taken a dominant position among sorption materials. This is due, first of all,…

Careful choice of carbonyl-containing cmps, and optimisation of Buchwald-Hartwig crosscoupling reaction conditions

МРНТИ 31.25.19 №2-2024 PDF https://doi.org/10.53939/1560-5655_2024_2_18 Mukhanov D.K. Abstract. In this study, new nitrogen-rich conjugated microporous polymers were synthesized using the Buchwald-Hartwig cross-coupling reaction. The synthesized polymers were characterized using various methods, including X-ray diffraction (XRD), ultraviolet-visible-near-infrared (UV-Vis-NIR) spectroscopy, Fourier transform infrared (FT-IR) spectroscopy, Brunauer-Emmett-Teller (BET) surface area analysis, and pore size distribution (PSD) determination using non-local density functional theory (NLDFT)….

Investigation of the physico-chemical properties of carbon-silicon sorbent

МРНТИ 31.23.99 №2-2024 PDF https://doi.org/10.53939/1560-5655_2024_2_9 Baiseitov D.A., Tulepov M.I., Kudyarova Zh.B., Mutushev A.Zh., Zhumakhan K., Dikhanbayev K.K. Abstract. One of the methods of controlling the spread of airborne respiratory pathogens in enclosed public spaces is the use of bactericidal filters for ventilation air purification systems in order to effectively remove pathogenic microorganisms from the air environment. Based on the…

Surface phenomena in graphite and obtaining graphene from it

№1-2024 https://doi.org/10.53939/1560-5655_2024_1_19 Yurov V.M., Zhangozin K.N., Zhanabergenov T.K., Kargin D.B. Abstract: The article offers an overview of our latest theoretical work on graphite and graphene. A model is proposed for determining the thickness of the surface layer of graphite, from which the strength of graphite and graphene can be calculated and the length of nanocracks in…

Development of technology for obtaining flameless energy sources

№3-2023 https://doi.org/10.53939/15605655/2023_3_6 Zhumakhan K., Tileuberdi Ye., Ongarbayev Ye.K. Abstract: The article discusses the many advantages of obtaining a flameless heating mixture based on magnesium powder and sodium hydroxide and the technology for obtaining sources of flameless energy resulted from an exothermic reaction between magnesium chloride and sodium hydroxide. The aim is to obtain flameless heaters…

Production of titanium carbonitride in the high-temperature combustion mode

№2-2023 https://doi.org/10.53939/15605655/2023_2_33 Kydyrali S.Y., Gabdrashova S.E., Tulepov M.I. Abstract: The article considered the chemical characteristics, applications of titanium carbonitride and the advantages of this substance. The main methods of obtaining it, which are used in practice today, are given. The concept of self-propagating high-temperature synthesis, which was discovered in 1967 and is used in the…

Obtaining biochar from rice husk and straw

№2-2023 https://doi.org/10.53939/15605655/2023_2_25 Appazov N.O., Akylbekov N.I., Narmanova R.A., Akhatayev N.A., Zhapparbergenov R.U., Kanzhar S.A. Abstract: This paper presents the results of research on obtaining biochar from agricultural plant waste such as rice husk and straw. The selection of the optimal conditions for thermolysis, such as the duration and temperature of the process, has been conducted….

New inorganic materials of the multi-functional action based on technogenic raw materials

№2-2023 https://doi.org/10.53939/15605655/2023_2_18 Kubekova Sh.N., Kapralova V.I., Raimbekova A.S. Abstract: The processing of minerals is associated with the generation of a huge amount of waste, accompanied by problems of depositing it and protecting the environment. The purpose of this study is to investigate the elemental and phase composition of raw ore materials from enrichment wastes of…

Biosourced silica / Ag composite materials as a new adsorbent for the removal of mercury ions from water

№1-2023 https://doi.org/10.53939/15605655/2023_1_6 Azat S., Zhantikeyev U, Tauanov U.Z, Bekseitova K. Abstract.  In this study, the synthesis of a new composite adsorbent using rice biosourced silica, silver nanoparticles and triethoxysilane as the raw materials for removal aqueous mercury ions from water is presented. The new composite material was synthesised by modification of the surface of rice husk…