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Journal articles on the topic 'Clay raw materials'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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1

Ushnickaya, H., and A. Mestnikov. "INVESTIGATION OF THE PROPERTIES OINVESTIGATION OF THE PROPERTIES OF CLAY RAW MATERIALS BY METHODS OF PHYSICO-CHEMICAL ANALYSIS." Bulletin of Belgorod State Technological University named after. V. G. Shukhov 9, no. 4 (2024): 16–25. http://dx.doi.org/10.34031/2071-7318-2024-9-4-16-25.

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The article presents the results of the study of the properties of clay raw materials using modern methods of physico-chemical analysis: X-ray fluorescence analysis (XRF), X-ray diffraction analysis (XRD), scanning electron microscopy (SEM) and thermal analysis. Two types of clay raw materials based on the color of the ceramic shard were considered: light-burning and red-burning clays. The studied clay raw materials contain a small amount of clay minerals and a high content of dusty particles, belong to moderately plastic and medium plastic clays and loams. X-ray spectral analysis allowed to d

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2

Nedbailo, O. M., and O. G. Chernyshyn. "Technological properties of clay raw materials." Кераміка: наука і життя, no. 4(49) (January 23, 2021): 7–12. http://dx.doi.org/10.26909/csl.4.2020.1.

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The article summarizes and analyzes the technological characteristics of various clay raw materials. Recommendations on the feasibility of their use in various types of ceramic production are given. Their main characteristics are given, such as chemical composition, mineralogical and physical properties, which vary within extremely wide limits. They are most characterized by a layered structure. All clay minerals are considered as secondary geological formations that arose in deposits in which water was present as a product of changes in aluminosilicate rocks. Most clay minerals are the produc

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Apkar'yan, A. S., and T. Yu Sablina. "Investigation of the properties of overburden clays from the Kornilovskoye deposit of the Tomsk region." Izvestiya vysshikh uchebnykh zavedenii. Fizika, no. 7 (2022): 35–41. http://dx.doi.org/10.17223/00213411/65/7/35.

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Analytical and laboratory-technological studies of overburden clays of the Kornilovskoye deposit in the Tomsk region have been carried out. The chemical composition, mineral composition, granulometric composition, plasticity and refractoriness of clays have been determined. The sensitivity of clay raw materials to drying, apparent density, water absorption, shrinkage, mechanical characteristics of samples from clay raw materials have been investigated. The possibilities of using clay in various industries are determined.

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Chumachenko, Natalia G., Maria G. Kalinina, Vera A. Burakhta, and Nurlan M. Bekkaliev. "Assessment of clay raw materials of western Kazakhstan." Urban construction and architecture 13, no. 3 (2023): 59–64. http://dx.doi.org/10.17673/vestnik.2023.03.08.

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The article presents the results of the estimated assessment of the clay raw materials of the West Kazakhstan Pogodaevsky and Taskalinsky fields. The calculation was made by the chemical composition of clays, focusing on the formation of low-melting triple aluminosilicate eutectics. Based on the calculated data, the melt formation dynamics curves were built, from which the possible sintering degree, sintering intervals and the recommended firing temperature were determined. A forecast was made for a change in the properties of clay raw materials with the introduction of 2% alkaline oxides. The

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Kurbanbaeva, Gulshad Sarsenbaaevna Keńesbaeva Nargiza Polatbaevna. "THE USE OF NON-TRADITIONAL LOCAL RAW MATERIALS IN PRODUCTION OF COMPOUND FEEDS." INTERNATIONAL BULLETIN OF APPLIED SCIENCE AND TECHNOLOGY ECHNOLOGY 2, no. 11 (2022): 116–19. https://doi.org/10.5281/zenodo.7347501.

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The article aims to investigate non-traditional local raw materials, its production for compound feeds. For this reason, the use of natural clays, especially bentonite clays in producing raw materials is characterized. The findings of the research depict that it is essential to use bentonite clay in producing raw materials. The results show that it is of high importance to create new varities of local raw materials for feed production.

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Kasmi, Sahar El, Ayoub Aziz, Boubker Boukili, et al. "Mineralogical study of the triassic clay of Maaziz and the Pliocene Marl of Akrach in Morocco: Characterization and preliminary study for evaluating the potential use of these geomaterials in traditional ceramics." Edelweiss Applied Science and Technology 8, no. 5 (2024): 2215–36. http://dx.doi.org/10.55214/25768484.v8i5.1978.

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This study was conducted as a multidisciplinary collaboration between geologists, chemists, and industrial ceramics. Two main sites were identified for the collection of geological raw materials, to study the relationship between the mineralogy of clays and some physical parameters of finished ceramic pieces (such as porosity density and absorption.). A protocol was developed to study raw clay samples of Triassic clay and Pliocene marl acquired from the Maaziz and Akrach regions, respectively, in northeast Morocco. The process involved sampling from the sources, as well as mineralogical and ph

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Kadyrova, Z. R. "Refractory materials for construction based on quartzite." Mechanics and Technologies, no. 1 (March 30, 2023): 18–23. http://dx.doi.org/10.55956/sgio8216.

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Information about the presence and characteristics of existing deposits of high silica and refractory clay raw materials of the Republic of Uzbekistan is given. It is shown that the main raw materials for the production of silica refractories are veined quartz, quartzites, quartz sands containing not less than 92 wt.% 8i02, and also for packing masses kaolin clays are used, which are promising raw materials. It is established that the studied quartzite rocks are of great interest and are a promising raw material base for the refractory industry of the Republic of Uzbekistan.

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8

El Ouahabi, M., L. Daoudi, and N. Fagel. "Mineralogical and geotechnical characterization of clays from northern Morocco for their potential use in the ceramic industry." Clay Minerals 49, no. 1 (2014): 35–51. http://dx.doi.org/10.1180/claymin.2014.049.1.04.

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AbstractThis study focuses on the mineralogical and geotechnical characterization of northern Moroccan clays from the Tangier and Tetouan areas and compares them with the main clay deposits used in the Moroccan ceramic industry (from Meknes, Fes, Salé and Safi regions). Sampled clays were analysed by X-ray diffraction on bulk and clay (<2 μm) fractions to identify the mineralogical assemblages of the clay outcrops. Further analyses were conducted to determine the particle size distribution (laser diffraction particle analyser), the total organic matter content (Loss- On-Ignition measurement

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Trepalin, D., D. Mishin, Y. Trepalina, and S. Kovalev. "DEVELOPMENT OF TECHNOLOGY FOR PRODUCTION OF EXPANDED GRAVEL BY SEMI-DRY METHOD USING TECHNOGENIC WASTE AND LOW PLASTIC RAW MATERIALS." Bulletin of Belgorod State Technological University named after. V. G. Shukhov 10, no. 3 (2024): 117–24. https://doi.org/10.34031/2071-7318-2024-10-3-117-124.

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IIn modern conditions, it is more correct to consider the direction of modifying the properties of expanded clay produced at expanded clay factories, and to determine the main ways of its possible use. The production of extra-light expanded clay gravel has a number of technological features. One of the main conditions necessary for the swelling of clay raw materials during firing is the formation of a pyroplastic mass with optimal viscosity parameters in a relatively wide range of heating temperatures and the release of a sufficient amount of gaseous products from this mass. The degree of swel

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10

Chumachenko, Natalia, Vladimir Turnikov, and Vladimir Kuzmin. "Using the calculation method for low-melting clay assessment." MATEC Web of Conferences 196 (2018): 04014. http://dx.doi.org/10.1051/matecconf/201819604014.

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Low-melting polymineral clays are widely used in building ceramics production. The properties of ceramic products depend on many factors. The paper describes properties of low-melting clay from Belebey deposit, Bashkiria. Using mathematical statistics methods, researchers make statistical analysis of grain size composition of clay raw material on Belebey brick factory and also analyze amount of sand additives and mixing moisture content. The study of general and technological properties of clay raw materials, and materials obtained from this raw material, was carried out in accordance with exi

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Іrіna, Subbota, Spasonova Larysa, and Sholom Аnastasia. "Increasing the strength of building ceramics made on the basis of low-melting clays." Technology audit and production reserves 5, no. 3(67) (2022): 6–11. https://doi.org/10.15587/2706-5448.2022.266605.

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<em>The object of the study is the physical and chemical processes of formation of the structure and properties, intensification of sintering of ceramic masses based on local raw materials (Krynichanska low-melting clay raw materials of the Kyiv region, Ukraine) by regulating the chemical and mineralogical composition and technological regimes. When choosing clay raw materials for specific ceramic technologies, it is necessary to be guided by a comprehensive assessment of the physicochemical properties of clay rock. These can be the granulometric and material composition, including the chemica

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12

Costa, Ana Rita Damasceno, and Jardel Pereira Gonçalves. "Milling parameters and solid waste characterisation to use as supplementary cementitious materials." Ambiente Construído 22, no. 4 (2022): 35–48. http://dx.doi.org/10.1590/s1678-86212022000400626.

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Abstract Despitethe increasing number of publications on residual raw materials as supplementary cementitious materials (SCM), the milling beneficiation process and its parameters have been underexplored and presented. In this context, this study aims to evaluate the milling parameters for marble, clay tile, clay brick, and phosphogypsum waste processing for recycling as SCM. The raw materials were benefitted by grinding, sieving, and milling in a planetary ball mill, varying the time and rotation speed parameters. The waste was characterised by helium gas pycnometry, DSC, BET specific surface

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13

Davydov, S. Y., and R. A. Apakashev. "Application and delivery of clay raw materials in refractory plants." NOVYE OGNEUPORY (NEW REFRACTORIES) 1, no. 12 (2023): 18–21. http://dx.doi.org/10.17073/1683-4518-2022-12-18-21.

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The classification and list of applications of clay raw materials for the ceramic industry are given. A method of stripping dumpcars from stuck or frozen clay material is proposed. To prevent the sticking of clay raw materials, a special device has been proposed that excludes the contact of the bottom of the body with the clay mass.

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14

Subbota, Іrіna, Larysa Spasonova, and Аnastasia Sholom. "Increasing the strength of building ceramics made on the basis of low-melting clays." Technology audit and production reserves 5, no. 3(67) (2022): 6–11. http://dx.doi.org/10.15587/2706-5448.2022.266605.

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The object of the study is the physical and chemical processes of formation of the structure and properties, intensification of sintering of ceramic masses based on local raw materials (Krynichanska low-melting clay raw materials of the Kyiv region, Ukraine) by regulating the chemical and mineralogical composition and technological regimes. When choosing clay raw materials for specific ceramic technologies, it is necessary to be guided by a comprehensive assessment of the physicochemical properties of clay rock. These can be the granulometric and material composition, including the chemical an

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15

Milošević, Maja, Mihovil Logar, and Biljana Djordjević. "Mineralogical analysis of a clay body from Zlakusa, Serbia, used in the manufacture of traditional pottery." Clay Minerals 55, no. 2 (2020): 142–49. http://dx.doi.org/10.1180/clm.2020.20.

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AbstractThe production of pottery in the traditional manner using local raw materials can provide insights into the provenance of ancient artefacts. This study uses mineralogical analysis to evaluate the raw clays and tempers used for pottery production in Zlakusa (western Serbia). Particle-size distribution, plasticity, X-ray fluorescence spectroscopy, X-ray powder diffraction, scanning electron microscopy/energy-dispersive X-ray spectrometry and differential thermal analysis techniques were applied. The mineral phases identified in the raw clay sample are kaolinite/halloysite, mica/illite, s

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16

Bumanis, Girts, and Danute Vaiciukyniene. "Mechanical Properties of Alkali Activated Material Based on Red Clay and Silica Gel Precursor." Environmental and Climate Technologies 25, no. 1 (2021): 931–43. http://dx.doi.org/10.2478/rtuect-2021-0070.

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Abstract The search for alternative alumosilicates source for production of alkali activated materials (AAM) is intensively researched. Wide spread of natural materials such as clays and waste materials are one of potential alternatives. In this research AAM was made from local waste brick made of red clay and calcined low-carbonate illite clay precursor and its properties evaluated. Waste silica gel containing amorphous silica from fertilizer production plant was proposed as additional raw material. 6 M and 7 M NaOH alkali activation solutions were used to obtain AAM. Raw materials were chara

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17

Michailidis, K., G. Trontzios, and E. Sofianska. "CHEMICAL AND MINERALOGICAL ASSESSMENT OF CLAYS FROM PELOPONNESE (S. GREECE) AND THEIR EVALUATION FOR UTILIZATION IN CERAMICS INDUSTRY." Bulletin of the Geological Society of Greece 43, no. 5 (2017): 2657. http://dx.doi.org/10.12681/bgsg.11673.

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Mineral constituents, particle size and chemistry of ceramic raw materials may control the way ceramic products are formed and fired. Three compound (combined mixtures of 20 raw samples) clay samples from Chanakia area, Pelloponnese (S. Greece), were mineralogically and chemically investigated and their utilization as raw materials for the ceramic industry was evaluated. These samples come from different clay formations, they have red, blue and green colors and constitute the raw materials for a local brick plant. Particle size distribution analysis showed that the percentage of clay size frac

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18

Asamatdinov, Marat, Alexey Zhukov, Peter Zhuk, Ekaterina Bobrova, and Andrey Medvedev. "Eco-friendly construction materials: Modified gypsum-containing bind." BIO Web of Conferences 145 (2024): 03022. http://dx.doi.org/10.1051/bioconf/202414503022.

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The use of gypsum-containing binders significantly expands both the raw material base and the possibilities of application of materials based on them. Clay-gypsum belongs to this group of binders. Clay-gypsum raw material and binder on its basis are local building materials. Binders based on clay gypsum have advantages under the following conditions: the remoteness of deposits of natural gypsum raw materials and the proximity of production from consumers. Clay gypsum is a natural formation of fine-grained crystalline gypsum, evenly mixed with clay or loam. The amount of gypsum varies from 50 t

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19

O, Ademila, Ogunribido T. H. T, and Abidoye J. M. "Geotechnical and geochemical appraisal of IFON clay, Southwestern Nigeria: Implications for industrial utilization." International Journal of Physical Research 7, no. 1 (2019): 11. http://dx.doi.org/10.14419/ijpr.v7i1.26336.

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Clays are geological materials of economic potential in the manufacturing and environmental industries. Geotechnical properties and geochemical composition of Ifon clay deposits in Ondo State, Nigeria were investigated with the aim of determining their economic potentials. The geotechnical investigation includes consistency limits, strength, permeability and firing tests, while, X-ray fluorescence (XRF) method was used for determination of the bulk elemental composition of the clays using standard techniques. Geotechnical appraisal of the clay deposits revealed that high proportion of clay siz

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Ounissi, Chedlia, Salah Mahmoudi, Luca Valentini, et al. "Potential use of Kebilian clay reserves (southern Tunisia) for the production of geopolymer materials." Clay Minerals 55, no. 2 (2020): 101–11. http://dx.doi.org/10.1180/clm.2020.14.

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AbstractThe aim of this study was to help drive the Tunisian construction industry towards a more sustainable approach given the existence of abundant local raw material deposits that could be exploited for the production of low-CO2 binders. Various clay sediments from the Kebili region (southern Tunisia) were characterized by chemical analysis, X-ray diffraction, thermal analysis and geotechnical tests to determine their suitability for the preparation of geopolymer binders. The clays consist of illite and kaolinite with other accessory minerals. To test the possibility of using these materia

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21

Kocherov, E. N., A. S. Kolesnikov, and A. D. Mamitova. "Research of clay raw materials of South Kazakhstan for thermal insulating keramzit production." IOP Conference Series: Earth and Environmental Science 1284, no. 1 (2023): 012003. http://dx.doi.org/10.1088/1755-1315/1284/1/012003.

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Abstract This article is devoted to the study of clay raw materials of South Kazakhstan region. In particular, the article presents the chemical and granulometric compositions, as well as the physical and technical properties of clays, for determination of a possible ways of using of fusible and bentonite clays of montmorillonite and colloidal composition for the further production of thermal insulating expanded clays. During the research, the selected clay samples were subjected to modern physicochemical studies, in particular chemical, granulometric, scanning electron microscopic, differenti

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ANPILOV, Sergey, and Liliia ILINA. "ASSESSMENT OF THE POSSIBILITY OF OBTAINING CERAMIC BRICK FROM TECHNOGENIC PRODUCTS." Expert Theory and Practice, no. 1 (28) (March 5, 2025): 115–19. https://doi.org/10.51608/6867818_2025_1_115.

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To obtain high-quality bricks, it is necessary to use natural clay raw materials with an aluminum oxide content of at least 20% and fluxes (to reduce the firing temperature of the ceramic shard) containing more than 5% R2O. However, most clays in the Russian Federation do not meet these requirements and are low-plastic and non-caking. The low quality of clay raw materials requires the development of semi-dry pressing technology, the use of special, often energy-intensive, methods for preparing the raw mix, or modification of the composition with additives of targeted action. In this regard, th

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ANPILOV, Sergey, and Liliia ILINA. "ASSESSMENT OF THE POSSIBILITY OF OBTAINING CERAMIC BRICK FROM TECHNOGENIC PRODUCTS." Expert Theory and Practice, no. 1 (28) (March 5, 2025): 115–19. https://doi.org/10.51608/26867818_2025_1_115.

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To obtain high-quality bricks, it is necessary to use natural clay raw materials with an aluminum oxide content of at least 20% and fluxes (to reduce the firing temperature of the ceramic shard) containing more than 5% R2O. However, most clays in the Russian Federation do not meet these requirements and are low-plastic and non-caking. The low quality of clay raw materials requires the development of semi-dry pressing technology, the use of special, often energy-intensive, methods for preparing the raw mix, or modification of the composition with additives of targeted action. In this regard, th

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24

Marica, S., N. Ciornei, and V. Cetean. "CLAYEY RAW MATERIALS FROM DOBROGEA, SOUTHERN ROMANIA, USING IN TRADITIONAL CERAMICS." Bulletin of the Geological Society of Greece 36, no. 1 (2004): 108. http://dx.doi.org/10.12681/bgsg.16588.

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This paper presents the results of geological and technological research on clayey and loessoid raw materials from the continental platform of the Black Sea. The loessoid clays undergo an open - cut mining under very good technical-economic conditions and are processed in a neighbouring factory. The clay deposits from the Cobadin plateau belong to the category of silt grains with the particle sizes between 0.01 and 0.03 mm. The physic-ceramic determinations proved that the clays from the Cobadin Plateau have a good shapability as raw materials. The clay preparation and working process includes

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Inegbenebor, A. I., A. O. Inegbenebor, R. C. Mordi, N. Kalada, A. Falomo, and P. Sanyaolu. "Determination of the Chemical Compositions of Clay Deposits from Some Part of South West Nigeria for Industrial Applications." International Journal of Applied Sciences and Biotechnology 4, no. 1 (2016): 21–26. http://dx.doi.org/10.3126/ijasbt.v4i1.14214.

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Clay is one of the major raw materials in ceramics, paint and paper industries. In this paper, a report is given on the chemical composition of clay deposits in Ilaro and Ikorodu, South West Nigeria and their suitability as raw materials in the above mentioned industries is suggested by comparison of their composition with industry standards. The clay samples were activated with H2SO4 and their moisture content was determined. The mineral content of the clays was determined using atomic absorption spectroscopy, which showed significant presence of Si, Al, Fe, and Ti. The morphology of the clay

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Gajek, Marcin, Janusz Partyka, Alicja Rapacz-Kmita, Łukasz Wójcik, Magdalena Dudek, and Katarzyna Gasek. "Clays of Wierzbka I deposit (northern margin of Holy Cross Mountains) for the production of clinker tiles." Gospodarka Surowcami Mineralnymi 32, no. 1 (2016): 89–102. http://dx.doi.org/10.1515/gospo-2016-0005.

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Abstract The paper presents results of research on the assessment of the suitability of the Wierzbka I Triassic clay raw materials, which are part of the Wierzbka deposit near Suchedniów, for the production of clinker tiles obtained by pressing. Red colour clays are often used in the production technology of clinker tiles. The high content of Fe2O3 in the composition of red clays promotes the sintering process and affects the colour of the resulting material, a typical characteristic of clinker materials. The raw materials used in this technology should have good sinterability, which guarantee

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Luqman, S. A., A. D. Titisari, and A. Hendratno. "A Preliminary Study: Physicochemical Characteristics and the Recommendations for Industrial Application of the Mlaten Clay Materials, Mojokerto, East Java, Indonesia." IOP Conference Series: Earth and Environmental Science 1373, no. 1 (2024): 012033. http://dx.doi.org/10.1088/1755-1315/1373/1/012033.

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Abstract Clays are industrial minerals that are widely utilized for various industrial fields. Eastern Java has a high potential of clay minerals (±348 million tons), including Mojokerto. The research location is in Mlaten and its surroundings, Mojokerto, East Java and covers an area of ± 16 km2. The massive utilization and potential in this area has not been comprehensively followed by research and exploration of clay minerals. In this case, the potential of clay minerals needs to be investigated so that prospective locations can be determined along with recommendations for optimal utilizatio

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Hettiarachchi, P., J. T. S. Motha, and H. M. T. G. A. Pitawala. "Identification of an appropriate body composition for red clay products." Cerâmica 56, no. 339 (2010): 285–90. http://dx.doi.org/10.1590/s0366-69132010000300012.

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This study focuses on the identification of an appropriate composition of raw materials for ceramic products from commonly available red clays in Sri Lanka. The raw materials were characterized in terms of particle size distribution, chemical and mineralogical composition. Different formulations of samples were prepared, and the linear shrinkage, water absorption and flexural strength of the final products were measured. Microstructures of fired samples were observed under a scanning electron microscope. The best quality product was obtained when the sample contains a high amount of illite cla

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Garinas, Wahyu. "PERBAIKAN MUTU BALL CLAY UNTUK BAHAN BAKU KERAMIK HALUS DENGAN PROSES PENGENDAPAN = THE IMPROVEMENT QUALITY OF BALL CLAY FOR FINE CERAMIC RAW MATERIALS USING PRECIPITATION PROCESS." Majalah Ilmiah Pengkajian Industri 9, no. 3 (2015): 157–66. http://dx.doi.org/10.29122/mipi.v9i3.1646.

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Ball clay quality are derived from within the country is very variety and generally rather difficult to get raw materials as needed. This research used ball clay from the West Kalimantan and West Java area.Ball clay is one of the most important raw materials for the manufacture of fine ceramic. To get the ball clay raw materials in accordance with the standards it is necessary to processing of raw materials. Processing of ball clay in this research conducted by precipitation and filtration magnet. Testing of ball clay raw materials are : test chemical composition by wet methods (SNI. 15-0449-1

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Khomenko, О., B. Datsenko, and G. Fomenko. "Research on clay raw materials for manufacturing of clinker bricks." Voprosy Khimii i Khimicheskoi Tekhnologii, no. 5 (October 2023): 135–46. http://dx.doi.org/10.32434/0321-4095-2023-150-5-135-146.

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We developed a basic approach for determining the possibility of using clay raw materials for the manufacturing of ceramic clinker bricks. A complex of properties is given that allow establishing rational technological parameters of forming, drying and firing of ceramic products. Composite charges were prepared based on clays of different mineralogical types from the Druzhkiv, Siver and Ozeryan deposits (Ukraine). It was established that on the basis of experimental materials by means of plastic forming and firing at temperatures of 1100–11200C it is possible to obtain ceramic clinker bricks w

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Tatski, L. N., L. V. Ilina, and L. A. Baryshok. "Baryshok. Enriching colour range of ceramic shapes on clay-based materials of low quality." Russian Automobile and Highway Industry Journal 18, no. 3 (2021): 318–29. http://dx.doi.org/10.26518/2071-7296-2021-18-3-318-329.

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Introduction. This article discusses the possibility of expanding the colour palette of a ceramic shard. Due to the shortage of high-quality clay raw materials for the manufacture of plastic molded facing bricks, the problem of manufacturing ceramic wall materials by semi-dry pressing from low-quality clay rocks is urgent.Materials and methods. The main raw material was non-caking clay raw material with a low content of clay and a high content of silt particles. Some corrective additives were used to expand the colour palette of ceramic bricks. In the article, the authors used both standard me

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Sutakova, Elza, and Alexei Mestnikov. "Basics of recreation of ancient ceramics production technology." MATEC Web of Conferences 143 (2018): 02001. http://dx.doi.org/10.1051/matecconf/201814302001.

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The paper investigates possibility of ancient ceramics technology recreation based on materials of archaeological excavations and experimental simulation and describes results of the research. The structure and properties of ceramic samples found during archaeological excavations of the neolithic age and clay raw materials from different deposits were studied. The fragments under study were shown to consist mainly of light-melting clays, possessing polimineral composition with additives of fire clay, sand, loose sedimentary rock, and in some cases wool and vegetation. Clays under study are cha

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ABDRAKHIMOV, V. Z. "PRODUCTION OF CERAMIC WALL MATERIALS BASED ON MONTMORILLONITE CLAY AND "TAILINGS" OF POLYMETALLIC ORES ENRICHMENT." Building and reconstruction 102, no. 4 (2022): 132–38. http://dx.doi.org/10.33979/2073-7416-2022-102-4-132-138.

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Studies have shown that it is not recommended to introduce thinning materials of more than 10-15% into clay masses with a number of 12-15. The introduction of more than 15% of thinners into ceramic masses (charge) reduces the plasticity of the charge with subsequent deterioration of molding properties, and less than 15% does not improve the drying properties of raw bricks (semi‒finished products). Taking into account the emerging problem associated with the reduction of clay materials with a plasticity number of more than 12-15, it is necessary to study and explore the possibilities of replaci

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Maestrelli, Sylma Carvalho, C. D. Roveri, N. A. Mariano, et al. "Study of the Application of Non-Plastic Clays from Poços De Caldas - MG." Materials Science Forum 727-728 (August 2012): 1490–95. http://dx.doi.org/10.4028/www.scientific.net/msf.727-728.1490.

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The manufacture of ceramic products involves the knowledge of the whole process, starting with the raw materials that are traditionally treated as clays. The term clay according to Santos [1] means a material with earthy texture and low grain size, which develops plasticity when mixed with a limited amount of water. The clay (or mudstone from the geological point of view) is a finely divided rock, consisting mainly of clay minerals, plastic materials and minerals that may contain non-plastic, and some materials which are not considered clay minerals, such as calcite, dolomite, gibbsite, quartz

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Artigas, R., M. Rodas, C. J. Sánchez, R. Mas, M. Dondi, and J. Arribas. "Clayey materials from the Sierra de la Demanda Range (Spain): their potential as raw materials for the building ceramics industry." Clay Minerals 40, no. 1 (2005): 25–41. http://dx.doi.org/10.1180/0009855054010153.

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AbstractThis work describes the possible use of thick Early Cretaceous clay deposits, which occur in the southern sector of the Sierra de la Demanda range, as raw materials in the manufacture of ceramic articles. The global mineralogical composition is characterized by high proportions of phyllosilicates and quartz with variable quantities of feldspars, carbonates and hematite. The clay mineralogy differentiates two types of raw materials: illitic clay and kaolinitic-illitic clay. A granulometric distribution in the 2–60 µm fraction, good behaviour during the drying stage and acceptable result

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Apkarian, A. S., and T. Yu Sablina. "Investigation of the properties of overburden clays from the Kornilovskoye deposit of the Tomsk region for use in the refractory, ceramic and oil industries." Perspektivnye Materialy 11 (2022): 53–60. http://dx.doi.org/10.30791/1028-978x-2022-11-53-60.

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Analytical and laboratory-technological studies of overburden clays of the Kornilovskoye deposit in the Tomsk region have been carried out. The chemical composition, mineral composition, granulometric composition, plasticity and refractoriness of clays have been determined. The sensitivity of clay raw materials to drying, apparent density, water absorption, shrinkage have been investigated. To determine the possibility of using clay from the Kornilovskoye field in the Tomsk region in the refractory, ceramic, electrical, construction and oil industries instead of clay “Vesko-Prima” from the Ves

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Almajeed, Elham Abid, and Samer Karim Turki. "Synthesis of Expanded Clay Aggregate Pellets by Using Local Raw Materials." Journal of University of Babylon for Engineering Sciences 26, no. 4 (2018): 345–53. http://dx.doi.org/10.29196/jub.v26i4.812.

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This study assesses the possible use of local raw materials (clays) for producing expanded clay pellets and test the product with American standard for test materials (ASTM) and according to ASTM C 330.For using them as lightweight aggregate in different construction applications, like thermal insulation, lightweight structural concrete , decoration pieces ,etc. The clay was collected from Al-Anbar province. The clay was bloated at 1150 C° without adding any impurities ,just mechanical treatment and perfect firing program, in order to obtain good bloating coefficient that is related with firin

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KORNILOV, A. V., and L. N. NAZHAROVA. "EFFECTIVE ADDITIVES FOR THE PRODUCTION OF WALL CERAMICS FROM LOW-GRADE CLAY RAW MATERIALS." Herald of Technological University 28, no. 6 (2025): 71–75. https://doi.org/10.55421/3034-4689_2025_28_6_71.

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In the production of building materials, an important task is to obtain high-quality ceramic high-void porous wall materials with high strength and thermal insulation properties. To solve this problem, with the depletion of high-quality raw material reserves, it is important to involve in production widely available low-quality low-melting clay raw materials, as well as waste from the extraction and processing of non-metallic minerals. In order to improve the properties of low-quality raw materials, various methods of processing and enrichment are used, including modification with technologica

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Chumachenko, N. G. "Development of a composition of a complex swelling additive for the production of expanded clay." Construction Materials, no. 12 (December 15, 2024): 73–77. https://doi.org/10.31659/0585-430x-2024-831-12-73-77.

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A standard assessment of clayey raw materials from the Neftegorsk field in the Samara region was carried out. It has been established that clay, in all respects except CaO content, meets the GOST requirements for raw materials for the production of expanded clay gravel. The group of clay raw materials is defined as slightly intumescent clay. The influence of firing temperature, content of organic and iron-containing additives on the degree of swelling was studied. A non-standard assessment of clay was carried out using a calculation method based on chemical composition. The types of necessary

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Sutakova, E., D. Gavriliev, and A. Mestnikov. "STUDY OF ARCHAEOLOGICAL SPECIMENS OF ANCIENT CERAMICS AND CLAY RAW MATERIALS FROM THE DEPOSITS OF CENTRAL YAKUTIA." Bulletin of Belgorod State Technological University named after. V. G. Shukhov 8, no. 9 (2023): 93–102. http://dx.doi.org/10.34031/2071-7318-2023-8-9-93-102.

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The paper considers the results of chemical and mineralogical analysis of ceramics of different times and deposits of clay raw materials of Central Yakutia. 7 ceramic fragments were examined, and a chemical and mineralogical analysis of three deposits of clay raw materials of the Republic of Sakha (Yakutia) was performed. The clay raw materials of Yakutia have a different chemical and mineralogical composition, depending on the deposit of raw materials. The studied clay raw materials can be used to recreate the ancient technology of ceramics. There is also a prospect for use in the ceramic ind

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Ghebremedhin, K., and A. Volodchenko. "ALUMINOSILICATE RAW MATERIALS OF THE STATE OF ERITREA FOR THE PRODUCTION OF SILICATE MATERIALS." Bulletin of Belgorod State Technological University named after. V. G. Shukhov 10, no. 2 (2024): 8–23. https://doi.org/10.34031/2071-7318-2024-10-2-8-23.

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This study evaluates the chemical, mineralogical and morphological characteristics of aluminosilicate raw materials selected from the territory of the State of Eritrea in the context of assessing its suitability for the production of autoclave silicate products. Clay rocks are moderately plastic. The predominant oxides of clay rocks in the Debub and Maakel areas are SiO2 and Al2O3. Laterite is characterized by a high content of Fe2O3, amounting to 48.40 wt. %. Quartz and kaolinite are the predominant minerals of these rocks. Volcanic ash consists mainly of an amorphous phase and feldspar. The

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Nasedkin, V. V., N. M. Boeva, and A. L. Vasiliev. "Akkalkan deposit of bentonite clays (Southeast Kazakhstan): formation conditions and prospects for technological use." Геология рудных месторождений 61, no. 5 (2019): 84–95. http://dx.doi.org/10.31857/s0016-777061584-95.

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The article presents the results of the bentonite clays study of Akkolkanskoye deposit, located in South-Eastern Kazakhstan. Based on the mapping, four main types of bentonites were identified: light gray argillite-like clay; dark gray clay lamellar and crushed stone morphology; waxy light brown and pale yellow clay lamellar texture; black plastic clay. Mineralogical study of these varieties allowed to establish the relationship of crystal-morphological features of the main rock-forming mineral in clays with the conditions of their formation and with the technological properties of bentonite r

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Mamadalieva, Sadokat, Gulomkodir Mirzakulov, Erkin Kakharov, Usmonali Sodikov, Umida Kurbanova, and Sodir Makhmudov. "Enrichment of mineral raw materials: Selection of local clay minerals for the purpose of obtaining adsorbents for purification of petroleum products." E3S Web of Conferences 525 (2024): 01009. http://dx.doi.org/10.1051/e3sconf/202452501009.

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Geotechnologies and subsoil use play a key role in the rational development of the mineral resource complex, requiring innovative approaches to the enrichment of mineral raw materials. This article discusses a promising direction in the beneficiation of mineral raw materials, focused on obtaining adsorbents from local clay minerals for the effective purification of petroleum products and environmental protection. The article presents a study on the potential of local clay minerals to create effective adsorbents using a mechanochemical activator. The study includes a review of the chemical and

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Ogolo, Oghenerume, Akeem O. Arinkoola, Peter Ngene, Chukwuma C. Ogbaga, and Samuel Osisanya. "Thermochemical Treatment of Nigerian Raw Clays for Oil and Gas Drilling Operations." ChemEngineering 7, no. 6 (2023): 110. http://dx.doi.org/10.3390/chemengineering7060110.

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Sodium-based bentonite is used for drilling operations because of its high swelling capacity. This type of bentonite clay is not sourced locally in many oil- and gas-producing nations. However, low-swelling clays (calcium- and potassium-based) are in abundant quantities in most of these countries. Hence, there is a need to convert low-swelling bentonite clays to sodium-based bentonite. The method used to convert low-swelling clays is more applicable to calcium-based bentonite. This research investigated a thermochemical treatment method that converted potassium-based bentonite to sodium-based

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Kaczyńska, Katarzyna, Konrad Kaczyński, and Piotr Pełka. "Calcination of Clay Raw Materials in a Fluidized Bed." Materials 14, no. 14 (2021): 3989. http://dx.doi.org/10.3390/ma14143989.

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Clay raw materials are diverse in terms of their mineral composition, as well as the content of colouring oxides and their physical properties. Determining the suitability of raw materials for various purposes requires comprehensive studies on their properties, as well as their appropriate correction, which is possible through the use of appropriate modification techniques. One of the most commonly used technologies for the enrichment of clay raw materials is to subject them to high temperatures, which, depending on the temperature regime used in the technological process, may cause the decomp

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Khudyakov, A. Yu, S. V. Vashchenko, K. V. Bayul, and Yu S. Semenov. "The kaoline raw materials compacting for the lump fireclay production." NOVYE OGNEUPORY (NEW REFRACTORIES), no. 8 (December 27, 2018): 14–19. http://dx.doi.org/10.17073/1683-4518-2018-8-14-19.

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The eﬀectiveness of the kaoline raw materials briquetting in the roller press was investigated in the capacity of the dust creation prevention while the clay burning. It was found out that the roller press with the claw-grooved confguration of molding components in comparison with the extruding-vacuum press allowed to obtain the higher quality briquettes which had the higher resistance against the fracture under the heat treatment. The most favourable clay moisture to use in the roller press was defned to be 21 %. It was established that production of the briquettes having just this moisture c

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Gurieva, Victoria A., Anastasia A. Ilyina, and Aleksandr V. Doroshin. "Theoretical Assessment of the Prospects for the Use of Raw Materials in Ceramic Production." Key Engineering Materials 887 (May 2021): 499–503. http://dx.doi.org/10.4028/www.scientific.net/kem.887.499.

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The paper presents the results of analyzing the prospects of using clay raw materials in a composition with metallurgical slags for the production of ceramic products. The results of the analysis of the chemical and mineralogical properties of clay from the Khalilovsky deposit in the Orenburg region and nickel slags from the dumps of the South Ural Nickel Combine are presented. The studies were carried out using X-ray fluorescence and differential thermal analysis methods. The article presents the performed X-ray and derivatograms of slag and clay and the features of the experimental types of

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Mousharraf, Adnan, Md Sazzad Hossain, and Md Fakhrul Islam. "Potential of Locally Available Clay as Raw Material for Traditional-Ceramic Manufacturing Industries." Journal of Chemical Engineering 26 (March 24, 2012): 34–37. http://dx.doi.org/10.3329/jce.v26i1.10179.

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The traditional white-ware manufacturing industries in Bangladesh use clay as the prime raw material which is mostly imported from abroad. The main reasons are the lack of proper clay refining technolo gy in the country and in some part the unsuitable chemical and structural composition of the locally available naturally occurring clays. Moreover, particle size has also been identified as a major challenge in processing of naturally available clay. These two vital aspects affect plasticity and strength of clay during their processing. The composition and particle size of locally available clay

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Ivaschenko, Yu G., R. T. Mameshov, and K. K. Mukhambetkaliev. "CLAY CONSTRUCTION COMPOSITES BASED ON CHEMICALLY ACTIVATED RAW MATERIALS AND ORGANIC CONNECTORS." Herald of Dagestan State Technical University. Technical Sciences 45, no. 3 (2019): 185–93. http://dx.doi.org/10.21822/2073-6185-2018-45-3-185-193.

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Objectives. The aim of this work is to study the theoretical aspects and technological possibilities of chemical activation and modification of organic clay raw materials of the Volga region in organic additives to obtain composite building materials based on previous work on the development of clay cement composites.Method. In connection with the high physicochemical activity of clay and cement with respect to organic additives and mineral salts, expressed in the high adsorption activity and sensitivity of hydration processes, studies of the structure of clay were studied separately from ceme

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Pešová, Andrea, Jana Andertová, Vladimir Machovič, and Ondrej Gedeon. "Ageing of Clay-Based Materials." Advanced Materials Research 39-40 (April 2008): 359–62. http://dx.doi.org/10.4028/www.scientific.net/amr.39-40.359.

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One of the general symptoms of ageing is a volume change due to the moisture exposure, known as an irreversible moisture expansion (IME). It is assumed IME of fired clay-based materials is governed by the presence of inner-surface and interlamellar OH-groups, present in clay minerals and assumed to be also abundant in amorphous intergranular phases. IME was measured on a series of clay-based ceramic bodies with a variable content of clay raw minerals under two different hydrothermal conditions. IR spectroscopy was used to correlate IME with the increasing amount of inner and interlamellar hydr

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