Готові списки джерел за темами / Raw earth materials

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Добірка наукової літератури з теми "Raw earth materials"

Автор: Grafiati

Опубліковано: 25 січня 2025

Оновлено: 31 липня 2025

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Статті в журналах з теми "Raw earth materials"

Lalicata, Leonardo Maria, Agostino Walter Bruno, and Domenico Gallipoli. "Hygro-thermal coupling in earth building materials." E3S Web of Conferences 382 (2023): 23003. http://dx.doi.org/10.1051/e3sconf/202338223003.

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Raw earth is emerging as a viable building material with lower carbon emissions than conventional concrete and fired bricks. Raw earth is as an excellent passive hygro-thermal regulator, which improves occupants’ comfort while reducing the need for active heating/cooling installations. The coupled hygro-thermal response of earth materials is investigated by exploiting the principles of the thermodynamics of porous media and unsaturated soil mechanics. The degree of coupling between temperature and relative humidity (or water content) depends on the adopted simplifying assumptions. Some of thes

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MEDEIROS, CARLOS AGUIAR DE, and NICHOLAS M. TREBAT. "Transforming natural resources into industrial advantage: the case of China’s rare earths industry." Brazilian Journal of Political Economy 37, no. 3 (2017): 504–26. http://dx.doi.org/10.1590/0101-31572017v37n03a03.

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ABSTRACT This paper analyzes the development of China’s rare earths industry, emphasizing the role of state technological initiatives in the country’s transition from rare earth exporter to large industrial consumer of these raw materials. Like other industrial powers before it, China takes advantage of low-cost domestic supplies of strategic raw materials to promote higher value-added manufacturing. We argue that, in the case of rare earths, this strategy has been largely successful, disrupting a classic international division of labor that existed prior to 2000, in which China exported most

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Ewing, Rodney C., and Alexandra Navrotsky. "Earth Materials." MRS Bulletin 17, no. 5 (1992): 19–22. http://dx.doi.org/10.1557/s0883769400041233.

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This issue of the MRS Bulletin is devoted to Earth materials — a subject so broad and with such a long history, stretching back to man's first use of materials, that we can offer only a small sample of topics, only a partial review. As our ancestors fashioned the first crude tools from stone, they must have distinguished among materials on the basis of their physical properties. They classified materials by color and density and very early must have wanted more than Nature had provided. They began to synthesize and fashion their own materials. Today's nanoscale engineering of materials is part

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Giada, Giuffrida, Rosa Caponetto, and Francesco Nocera. "Hygrothermal Properties of Raw Earth Materials: A Literature Review." Sustainability 11, no. 19 (2019): 5342. http://dx.doi.org/10.3390/su11195342.

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Raw earth historic and contemporary architectures are renowned for their good environmental properties of recyclability and low embodied energy along the production process. Earth massive walls are universally known to be able to regulate indoor thermal and hygroscopic conditions containing energy consumptions, creating comfortable interior spaces with a low carbon footprint. Therefore, earth buildings are de facto green buildings. As a result of this, some earthen technologies have been rediscovered and implemented to be adapted to the contemporary building production sector. Nevertheless, th

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Leal Filho, Walter Leal, Richard Kotter, Pinar Gökçin Özuyar, Ismaila Rimi Abubakar, João Henrique Paulino Pires Eustachio, and Newton R. Matandirotya. "Understanding Rare Earth Elements as Critical Raw Materials." Sustainability 15, no. 3 (2023): 1919. http://dx.doi.org/10.3390/su15031919.

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The boom in technological advances in recent decades has led to increased demand for rare earth elements (REEs) (also known as rare earth metals) across various industries with wide-ranging industrial applications, including in the clean energy sector, but with some environmental, economic, and social footprint concerns. This paper reviews the complexities of the production, consumption, and reuse or recovery of REEs, presenting current trends in terms of potentials and challenges associated with this. This paper in particular focuses on the supply, demand, and (environmental and economic) sus

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H. Khalid, Ameer, and Thanoon A. Thanoon. "Study of Silica Occurrence in the Raw Materials of HammamAl- Alil Cement Plant." Iraqi National Journal of Earth Sciences 10, no. 1 (2010): 33–46. http://dx.doi.org/10.33899/earth.2010.5556.

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Kamprowski, Rafał. "The raw materials policy of the European Union for rare earth elements." Rocznik Integracji Europejskiej, no. 16 (February 22, 2023): 243–50. http://dx.doi.org/10.14746/rie.2022.16.14.

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This article deals with one of the dimensions of the European Union’s raw materials policy, including rare earth elements (REE). The core and overarching goal of the raw materials policy implemented by a given entity is to ensure security in terms of raw materials. Taking into account the current geopolitical situation and the ongoing war in Ukraine, the main part of discussion regarding raw materials security focuses on issues related to the supply of energy sources, including gas or coal. Rare earth elements, however, remain on the side-lines of these considerations. Rare earth elements are

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Wang, Yun. "Study on Modification of Rammed Earth Material in Mountain Areas." Advanced Materials Research 261-263 (May 2011): 1178–81. http://dx.doi.org/10.4028/www.scientific.net/amr.261-263.1178.

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In order to explore the proper modified materials of the raw-soil building in mountain area, the raw-soil modified materials now being used commonly are analyzed effectively at first, and the natural reborn starch resource is thought which has a promising application prospect. In the end, experiments on compressive properties and shear properties of raw-soil material modified by quicklime, slaked lime and starch with different incorporation rates are carried out, and the tests show starch is applicable to modify raw-soil in mountain area.

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Fabbri, Antonin, Jean-Claude Morel, and Domenico Gallipoli. "Assessing the performance of earth building materials: a review of recent developments." RILEM Technical Letters 3 (December 22, 2018): 46–58. http://dx.doi.org/10.21809/rilemtechlett.2018.71.

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After being almost abandoned at the end of the Second World War, the use of raw earth is currently regaining the interest of architects, engineers and policy makers for the construction of dwellings in industrialised countries. This renaissance is driven by growing ecological awareness and the promotion of construction techniques that minimize energy consumption and carbon emissions. Raw earth displays very interesting thermo-hygro-mechanical properties, which can contribute to the reduction of the environmental impact of buildings not only during construction but also during service life. Nev

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Lu, Bai-ru, Kun Zhang, and Zhan Qu. "Research on Compressive Tests of Iron Tailing and Cement-Modified Earth Materials from Northwest China." Advances in Civil Engineering 2023 (October 21, 2023): 1–12. http://dx.doi.org/10.1155/2023/6661545.

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The strength of earth-modified materials is an important mechanical indicator of raw soil building materials. Iron tailings are a rich mineral waste resource with basic properties similar to river sand and can be used as a modified material for raw soil construction. To increase the utilization rate of iron tailings and improve the mechanical properties of earth materials, modification of earth materials were analyzed using iron tailings and cement. Through a single lattice theory design method, 10 different blending ratios of modified earth specimens were designed, with each group comprising

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Дисертації з теми "Raw earth materials"

Buratovic, Emma, Dervis Cocalic, Kasper Eliasson, Matilda Danestig, and Linus Everlid. "Controversial Materials : Ethical issues in the production of mineral based raw materials." Thesis, Uppsala universitet, Institutionen för teknikvetenskaper, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-327393.

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This report has investigated the ethical issues associated with mining or processing of materials that make them considered as controversial. For each material, the main areas of use and the top producing countries are analysed, followed by social and/or environmental issues as well as potential problems in the future. In total, 13 materials are discussed, of which most are minerals. The overall issues, that are recurring throughout the report and are important to be aware of are: child labor, low safety standards, mining activity resulting in deforestation or harming biodiversity, mining proc

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André, Axel. "Raw Material Consumption - Ett mått på Sveriges materialanvändning i ett mer resurseffektivt samhälle." Thesis, Uppsala universitet, Luft-, vatten och landskapslära, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-367195.

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Att kunna mäta vår materialanvändning är centralt i omställningen till ett resurseffektivare samhälle och en cirkulär ekonomi. Inom EU används Domestic Material Consumption (DMC) som indikator för materialanvändning. Den beräknas genom att addera de material som ett land utvinner, plus de material som importeras, minus de material som exporteras. Det finns kritik mot DMC då den endast tar hänsyn till vikten på import- och exportprodukter då de korsar landsgränsen. DMC inkluderar inte de uppströms material som gått åt för att producera en produkt, men som inte syns i slutprodukten (den så kalla

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Farez, Younes. "Élaboration de matériaux à base de la terre crue destinés aux applications en travaux publics." Electronic Thesis or Diss., CY Cergy Paris Université, 2024. http://www.theses.fr/2024CYUN1328.

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Chaque année, des millions de tonnes de terre sont excavées sur les chantiers du BTP en France. Actuellement, ces terres sont majoritairement valorisées dans le secteur du bâtiment, sous forme d’éléments de remplissage (brique en terre comprimée, adobe, bauge…), tandis que leur usage reste limité dans le secteur des travaux publics.L’objectif de ce travail de recherche est de développer de nouveaux éco-matériaux à base de terre crue et de sédiments de dragage, destinés à certaines applications en travaux publics, comme les bordures de trottoir, les blocs lego ou les glissières de sécurité. Dif

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Kukkonen, Liv Linnea. "Transparent, rare earth doped, oxyfluoride glass-ceramics for photonics." Thesis, University of Sheffield, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.340220.

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Cedervall, Johan. "Magnetic Materials for Cool Applications : Relations between Structure and Magnetism in Rare Earth Free Alloys." Doctoral thesis, Uppsala universitet, Institutionen för kemi - Ångström, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-331762.

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New and more efficient magnetic materials for energy applications are a big necessity for sustainable future. Whether the application is energy conversion or refrigeration, materials based on sustainable elements should be used, which discards all rare earth elements. For energy conversion, permanent magnets with high magnetisation and working temperature are needed whereas for refrigeration, the entropy difference between the non-magnetised and magnetised states should be large. For this reason, magnetic materials have been synthesised with high temperature methods and structurally and magnet

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Carleschi, Emanuela. "Electronic structure of transition metal and rare earth ions in complex materials by resonant core-level spectroscopies." Doctoral thesis, Università degli studi di Trieste, 2009. http://hdl.handle.net/10077/3061.

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2007/2008<br>In the course of this thesis I present an experimental investigation into various strongly correlated transition metal and rare earth compounds using core-level spectroscopic techniques, which have augmented the understanding of the electronic properties of these different systems. I will discuss the orbital occupation and the symmetry of the states near the Fermi level, responsible for the variety of ground states shown by a variety of strongly correlated systems such as misfit cobaltates, strontium ruthenates, metallic manganese and rare earth compounds.<br>XXI Ciclo<br>1978

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Cuccurullo, Alessia. "EARTH STABILISATION BY PLANT-DERIVED UREASE ENZYME FOR BUILDING APPLICATIONS." Thesis, Pau, 2019. https://tel.archives-ouvertes.fr/tel-03179295.

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Cette étude se concentre sur les performances hygro-mécaniques de la terre crue compactée comme matériau de construction alternatif aux matériaux de construction classiques à forte empreinte énergétique. Les briques en terre ont été fabriquées en appliquant des pressions de compactage élevées (jusqu’à 100 MPa, d’où la dénomination d’hyper-compactage) pour augmenter la densité du matériau et ainsi obtenir des propriétés mécaniques similaires à celles des matériaux de construction traditionnels tels que les briques cuites, les blocs de béton et la terre stabilisée. Une vaste campagne expérimenta

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Chirawatkul, Prae. "Structure of liquid and glassy materials from ambient to extreme conditions : a multiprobe approach." Thesis, University of Bath, 2010. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.537488.

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The structure of molten Au0.81Si0.19, Au0.72Ge0.28 and Ag0.74Ge0.26 alloys with a composition at or near to the eutectic was investigated by using neutron diffraction (ND). The results suggest that the Au-Au distance in the alloys is similar to that of liquid Au, there is a preference for Au-Si bonds and show that there are pre-peaks in the total structure factors for Au0.72Ge0.28 and Ag0.74Ge0.26 at 1.3(2) and 1.6(3) ˚, A−1 respectively. The asymptotic decay of the pair correlation functions was found to agree both with a theoretical prediction based on simple pair potentials and a fractal mo

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Pereira, Luciano Fabricio Dias. ""Estudo do campo hiperfino magnético na sonda de Ce colocada nos compostos intermetálicos do tipo RAg (R=Terra Rara) e do ordenamento magnético desses compostos usando cálculos de primeiros princípios"." Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/85/85131/tde-28052007-141935/.

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Nesse trabalho foram estudados os compostos intermetalicos do tipo RAg (R = Nd, Gd e Ho) por calculos teoricos desenvolvidos dentro do formalismo da Teoria do Funcional Densidade (DFT). O metodo APW+lo (Augmented Planes Waves + lo- cal orbitals) foi aplicado para resolver a equacao de Kohn-Sham e a Aproximacao do Gradiente Generalizado (GGA) usada para tratar de forma aproximada o potencial de troca-correlacao. O codigo computacional utilizado foi o WIEN2k. As atividades foram focalizadas em duas frentes. Numa delas, determinou-se a fase magnetica do estado fundamental dos compos- tos HoAg e N

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Buzz, Lu La. "The states and status of clay : material, metamorphic and metaphorical values." Thesis, University of Plymouth, 2018. http://hdl.handle.net/10026.1/11639.

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This doctoral project combines a performance-led practice with contextual research in order to demonstrate how arts practice can challenge historical perceptions of clay and enhance its material status. The core knowledge deduced from this research is that embodied performance transforms connectivity between artist and clay and produces a unified incarnation of both elements. Through the use of immersive research methods I gained insights which could not have been predicted - particularly that my experiential performances were a process of ‘clay becoming’ in which I ultimately became the clay.

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Книги з теми "Raw earth materials"

Motov, David Lazarevich. Fiziko-khimii︠a︡ i sulʹfatnai︠a︡ tekhnologii︠a︡ titano-redkometallʹnogo syrʹi︠a︡ = Physico-chemistry and sulphate technology of titanium-rare metal raw materials. Institut khimii i tekhnologii redkikh ėlementov i mineralʹnogo syrʹi︠a︡ im. I.V. Tananaeva KNT︠S︡ RAN, 2002.

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Italy), Rocca Roveresca (Senigallia, ed. Materie prime: Artisti italiani contemporanei tra terra e luce = Raw materials : contemporary italian artists between earth and light. Silvana editoriale, 2019.

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Serebryakov, Andrey. Ecological geology. INFRA-M Academic Publishing LLC., 2021. http://dx.doi.org/10.12737/971374.

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The textbook describes complex natural, geological, geographical, hydrogeological and lithological studies based on modern geological and ecological theories and forming the basis of environmental science. The theoretical views on the ecology of the geological environment are expanded. The tasks of ecological geology and geography, as well as ecological hydrogeology and ecological lithology are substantiated. Attention is paid to the history of geoecological research in the development of new territories. The influence of the tectonic formation of geological structures on the ecological

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Institut khimii i tekhnologii redkikh ėlementov i mineralʹnogo syrʹi͡a (Rossiĭskai͡a akademii͡a nauk). Tekhnologii͡a mineralʹnogo syrʹi͡a i fiziko-khimicheskie issledovanii͡a produktov ego pererabotki: Sbornik nauchnykh trudov. Kolʹskiĭ nauchnyĭ t͡sentr RAN, 1994.

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Russia) Dikovskie chtenii︠a︡ (6th 2010 Magadan. VI Dikovskie chtenii︠a︡: Materialy nauchno-prakticheskoĭ konferent︠s︡ii, posvi︠a︡shchennoĭ 85-letii︠u︡ so dni︠a︡ rozhdenii︠a︡ N.N. Dikova i 50-letii︠u︡ obrazovanii︠a︡ SVKNII DVO RAN = The VI Dikov readings : Proceedings of the scientific conference in honor of the 85th anniversary of N.N. Dikov and the 50th anniversary of NEISRI FEB RAS. Severo-Vostochnyĭ nauchno-issledovatelʹskiĭ institut DVO RAN, 2010.

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Eiichiro, Matsubara, Shinoda Kozo, and SpringerLink (Online service), eds. X-Ray Diffraction Crystallography: Introduction, Examples and Solved Problems. Springer-Verlag Berlin Heidelberg, 2011.

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Litvinoff, Miles. Raw Materials (Earth Care). Heinemann Educational Books - Library Division, 1997.

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Litvinoff, Miles. Earth Care: Raw Materials (Earth Care). Heinemann Educational Books - Library Division, 1996.

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Ali, Saleem H. Treasures of the Earth: Need, Greed, and a Sustainable Future. Yale University Press, 2009.

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Ali, Saleem H. Treasures of the Earth: Need, Greed, and a Sustainable Future. Yale University Press, 2009.

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Частини книг з теми "Raw earth materials"

Keersemaker, Marco. "Critical Raw Materials." In SpringerBriefs in Earth Sciences. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-40268-6_9.

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Matloff, Greg, C. Bangs, and Les Johnson. "Raw Materials from Space." In Harvesting Space for a Greener Earth. Springer New York, 2014. http://dx.doi.org/10.1007/978-1-4614-9426-3_11.

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Cerqueira, Â., C. Sequeira, D. Terroso, S. Moutinho, C. Costa, and F. Rocha. "Santa Maria Clays as Ceramic Raw Materials." In Springer Proceedings in Earth and Environmental Sciences. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-22974-0_74.

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Dick, John S., and Charles P. Rader. "Basic Raw Materials from Earth Extractions and Agriculture." In Raw Materials Supply Chain for Rubber Products. Carl Hanser Verlag GmbH & Co. KG, 2014. http://dx.doi.org/10.1007/978-1-56990-538-8_2.

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Ryzhkov, Vyacheslav M., Maria A. Igumentseva, and Mikhail V. Shtenberg. "Technology for Quality Assessment of Quartz Raw Materials." In Springer Proceedings in Earth and Environmental Sciences. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-00925-0_29.

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Hussain, Mazhar, Léo Saouti, Daniel Levacher, et al. "Production of Waste Fiber-Reinforced Raw Earth Specimens by Controlled Compaction." In Springer Proceedings in Materials. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-2000-2_29.

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Bongaerts, Jan C., and Carsten Drebenstedt. "Life Cycle Assessment for the Primary Raw Materials Extraction Industry." In Springer Proceedings in Earth and Environmental Sciences. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-25840-4_20.

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Shamas, Youssef, H. C. Nithin, Vivek Sharma, et al. "Uncertainties About the Toughness Property of Raw Earth Construction Materials." In Proceedings of the 6th International Symposium on Uncertainty Quantification and Stochastic Modelling. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-47036-3_2.

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Kiseleva, Daria V., Maria V. Chervyakovskaya, Natalia I. Shishlina, and Evgeny S. Shagalov. "Strontium Isotope Analysis of Modern Raw Wool Materials and Archaeological Textiles." In Springer Proceedings in Earth and Environmental Sciences. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-48864-2_4.

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Rattanachan, Sirirat Tubsungnoen, Rawee Dangwiriyakul, Oranich Thongsri, Paritat Thaitalay, and Sawitri Srisuwan. "Chloride and Sulfate Resistance of the Alternative Raw Materials-Based Geopolymer." In Springer Proceedings in Earth and Environmental Sciences. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-96-4345-5_6.

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Тези доповідей конференцій з теми "Raw earth materials"

Ng-Cutipa, Wai L., Ana Lobato, Francisco J. González, et al. "Airborne images integration for a first cartographic approximation of critical raw-materials-rich placers on Santa Marta Beach (Ría de Vigo, NW Spain)." In Earth Resources and Environmental Remote Sensing/GIS Applications XV, edited by Karsten Schulz, Konstantinos G. Nikolakopoulos, and Ulrich Michel. SPIE, 2024. http://dx.doi.org/10.1117/12.3031637.

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Baera, Cornelia, Aurelian Gruin, Ana-Cristina Vasile, Bogdan Bolborea, and Alexandra Barbu. "INNOVATION IN VERNACULAR TRADITIONS: PRELIMINARY EXPERIMENTAL RESEARCH ON CLAY MIX DESIGN FOR DURABLE POURED EARTH WALLS." In SGEM International Multidisciplinary Scientific GeoConference. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024v/6.2/s25.27.

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Innovative construction materials and techniques can be sourced from natural resources and traditional methods, and applied to green housing concepts to enhance energy efficiency and occupant well-being. Innovation in vernacular traditions can be achieved by integrating the modern, current methods and techniques, materials and tools within local traditional technologies and associated natural raw materials (clay, sand, wood, straw, and wool) in order to enhance ecologic housing facilities with improved overall performance: structural, economic and sustainable. The current paper focuses on deve

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Hikov, Atanas, Zlatka Milakovska, Valentina Lyubomirova Lyubomirova, and Nadezhda Lihareva. "CRITICAL ELEMENTS IN SEQUENTIAL LEACHED PHASES FROM DEEP-SEA POLYMETALLIC NODULES AND SEDIMENTS." In 24th SGEM International Multidisciplinary Scientific GeoConference 24. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024/1.1/s01.05.

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The deep-sea metalliferous sediments and Fe-Mn polymetallic nodules formed in modern environment at the deep-sea ocean floor (> 4000 m depth) were evaluated as promising new raw materials, especially for critical elements as Li, Co, Cu, Mn, Ni, and rare earth elements (REE). We use � selective sequential leaching procedure to study the distribution of main and trace elements in sequential leached phases from deep-sea polymetallic nodules and sediments from the eastern part of the Clarion-Clipperton fractures zone, NE Pacific. Results show extraction of Mn in the leach 2 in both nodules and

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Agarwal, D. C., and Helena Alves. "Applications of Alloy 59 (UNS N06059) and Alloy 31 (UNS N08031) in Mitigating Corrosion Problems in CPI and Petrochemical Industries." In CORROSION 2007. NACE International, 2007. https://doi.org/10.5006/c2007-07186.

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Abstract CPI & Petrochemicals constitute a huge, complex and highly diverse industry which forms an integral part of the US economy. It covers converting various raw materials (about 10 of them), the most important ones being organic in nature such as oil, natural gas and coal whilst others are inorganic in nature such as ores / elements taken from the earth (phosphates, sulfur, potash etc), air (nitrogen, oxygen) and water (chlorine, hydrogen). Conversion of these base materials produce about 300 different “intermediates” which then go into production of about 30.000 plus consumer product

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Udaliszczew, Jan. "ANALYSIS OF THE EFFECTIVENESS OF VARIOUS TYPES OF BLEACHING EARTHS FOR PARAFFIN REFINING ON THE EXAMPLE OF THE TERRA TRADE COMPANY." In 24th SGEM International Multidisciplinary Scientific GeoConference 24. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024/4.1/s18.32.

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Modern industrial production of paraffin and other hydrocarbon-based products, such as mineral oils or waxes, is extremely closely related to the process of raw material purification. One of the key stages of this process is paraffin filtration, which aims to remove impurities and undesirable substances that may affect the quality and properties of the final product. Filter earth plays an irreplaceable role in the paraffin filtration process. The paper presents the main aspects related to soil for paraffin filtration, including its physical and chemical properties, production processes and use

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Belarbi, Zineb, Paul D. Jablonski, Ömer N. Doğan, Martin Detrois, and Richard P. Oleksak. "Effect of Minor Ce Additions on Corrosion Behavior of Experimental Pipeline Steel." In CONFERENCE 2024. AMPP, 2024. https://doi.org/10.5006/c2024-20450.

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Abstract Minor additions of rare earth elements (REEs) have been shown to improve various steel properties. In particular, Cerium (Ce), as a relatively abundant and inexpensive element, has received attention as a potentially beneficial minor alloying addition for a variety of steel applications, including pipeline materials. The objective of this work is to investigate the effect of Ce on corrosion performance of experimental pipeline steel. Electrochemical corrosion experiments were carried out on steel without and with 0.0057, 0.0164, and 0.0263 wt.% of Ce in 3.5 wt.% NaCl saturated with CO

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Tourtelot, Julia, Chloé Fourdrin, Jean Baptiste d'Espinose de Lacaillerie, Ann Bourgès, and Emmanuel Keita. "Starch Reinforcement of Raw Earth Constructions." In 4th International Conference on Bio-Based Building Materials. Trans Tech Publications Ltd, 2022. http://dx.doi.org/10.4028/www.scientific.net/cta.1.443.

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The restoration, the protection, or the creation of earthen buildings require improving the mechanical strength of the material. The first way to do that is to use inorganic additives, but these additives change the structural properties of earth and have a high carbon footprint. In contrast, the other way to consolidate is the use of organic additives such as vegetal derivatives that rearrange the minerals in the earth, with the lowest carbon footprint as they are from waste management. After preliminary tests with ten different organic additives from traditional recipes, we found that wheat

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Mihajlović, Katarina, Ana Radosavljević-Mihajlović, Milica Stoiljković, et al. "Diatomaceous earth: A precursor in the synthesis of new materials." In Rudarstvo i geologija danas. Rudarski institut d.o.o. Beograd, 2024. https://doi.org/10.5937/rgd240026m.

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This paper presents the results of research on diatomaceous earth as a possible precursor for obtaining new materials. Diatomaceous earth from the Kolubura Basin was used, where it is present as an accompanying mineral raw material. In the synthesis process, it was ion-exchanged with a diluted 0.25 M MnNO3 solution. After that, the samples were annealed in a temperature range of 800 to 1100 ºC. A new phase of the mineral akatoreite (Mn9Al2Si8O24(OH)8) was obtained. In the characterization process, the method of X-ray powder diffraction on a polycrystalline sample and the method of a scanning m

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Babuntsova, K., Anastasiya Kozyuchic, and E. Moiseeva. "POSSIBLE WAYS TO RECYCLE SOLID MUNICIPAL WASTE." In INTERNATIONAL EARTH DAY - 2025. FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov, 2025. https://doi.org/10.58168/earthday2025_6-11.

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The article is dedicated to exploring the possibilities of recycling polyethylene terephthalate (PET) as a way to solve the environmental problems associated with the management of solid municipal waste (MSW). The significance of PET for modern industry is analyzed, the prospects for its secondary recycling and its contribution to achieving sustainable development goals are considered. The research covers a wide range of PET applications, focusing on the packaging and textile industries. The technological process of recycling PET containers is described, starting from the receipt of raw materi

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Abdallah, Rafik Isaam, Céline Perlot, Hélène Carré, Christian La Borderie, and Haissam El Ghoche. "Fire Behavior of Raw Earth Bricks: Influence of Water Content and Cement Stabilization." In 4th International Conference on Bio-Based Building Materials. Trans Tech Publications Ltd, 2022. http://dx.doi.org/10.4028/www.scientific.net/cta.1.792.

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This study focus on the effects of both water content and cement stabilization on the fire behavior of earth bricks. To observe the effect of cement stabilization, two materials are formulated: raw earth with only soil and water, and stabilized bricks with soil, water and cement (3.5% by mass of soil). Since the material’s mechanical strength can strongly influence its fire behavior, the raw bricks were compacted at 50 MPa to reach a compressive strength similar to the one of stabilized bricks. Four different water contents were tested; dry state obtained with oven drying and three others achi

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Звіти організацій з теми "Raw earth materials"

Ruiz de Gauna, Itziar, Anil Markandya, Laura Onofri, et al. Economic Valuation of the Ecosystem Services of the Mesoamerican Reef, and the Allocation and Distribution of these Values. Inter-American Development Bank, 2021. http://dx.doi.org/10.18235/0003289.

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Coral reefs are one of the most diverse and valuable ecosystems on Earth. The Mesoamerican Reef contains the largest barrier reef in the Western Hemisphere. However, its health is threatened, so there is a need for a management and sustainable conservation. Key to this is knowing the economic value of the ecosystem. “Mainstreaming the value of natural capital into policy decision-making is vital” The value of environmental and natural resources reflects what society is willing to pay for a good or service or to conserve natural resources. Conventional economic approaches tended to view value o

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Hodul, M., H. P. White, and A. Knudby. A report on water quality monitoring in Quesnel Lake, British Columbia, subsequent to the Mount Polley tailings dam spill, using optical satellite imagery. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/330556.

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In the early morning on the 4th of August 2014, a tailings dam near Quesnel, BC burst, spilling approximately 25 million m3 of runoff containing heavy metal elements into nearby Quesnel Lake (Byrne et al. 2018). The runoff slurry, which included lead, arsenic, selenium, and vanadium spilled through Hazeltine Creek, scouring its banks and picking up till and forest cover on the way, and ultimately ended up in Quesnel Lake, whose water level rose by 1.5 m as a result. While the introduction of heavy metals into Quesnel Lake was of environmental concern, the additional till and forest cover scour

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