Претрага
528 items
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Development of a petrographic classification system for organic particles affected by self-heating in coal waste. (An ICCP Classification System, Self-heating Working Group – Commission III)
M. Misz-Kennan, J. Kus, D. Flores, C. Avila, Z. Büçkün, N. Choudhury, K. Christanis, J.P. Joubert, S. Kalaitzidis, A.I. Karayigit, M. Malecha, M. Marques, P. Martizzi, J.M.K. O'Keefe, W. Pickel, G. Predeanu, S. Pusz, J. Ribeiro, S. Rodrigues, A.K. Singh, I. Suárez-Ruiz, I. Sýkorová, N.J. Wagner, D. Životić (2020)Self-heating of coal waste is a major problem in the leading coal-producing and consuming countries, independent of the recent or past coal exploitation history. The phenomenon of self-heating is dependent on many factors such as the properties of organic matter (maceral composition and rank), moisture and pyrite content, climate effects, and storage conditions (shape of the dump or compaction of the coal waste). Once deposited, coal waste undergoes oxidation, which can lead to self- heating with the overall temperatures ...M. Misz-Kennan, J. Kus, D. Flores, C. Avila, Z. Büçkün, N. Choudhury, K. Christanis, J.P. Joubert, S. Kalaitzidis, A.I. Karayigit, M. Malecha, M. Marques, P. Martizzi, J.M.K. O'Keefe, W. Pickel, G. Predeanu, S. Pusz, J. Ribeiro, S. Rodrigues, A.K. Singh, I. Suárez-Ruiz, I. Sýkorová, N.J. Wagner, D. Životić. "Development of a petrographic classification system for organic particles affected by self-heating in coal waste. (An ICCP Classification System, Self-heating Working Group – Commission III)" in International Journal of Coal Geology, Elsevier BV (2020). https://doi.org/10.1016/j.coal.2020.103411
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Optimizacija ugla nagiba generalne kosine unutrašnjeg odlagališta površinskog kopa Tamnava-Zapad
Formiranje geomehanički tabilnih unutrašnjih odlagališta otkrivke ima izuzetno značajnu ulogu pri projektovanju i planiranju razvoja površinskih kopova uglja sa aspekta preraspodele masa otkrivke, dinamike eksploatacije, ekoloških zahteva, rudarskih rizika i troškova. Uvećanje zavodnjenosti unutrašnjeg odlagališta otkrivke površinskog kopa Tamnava-Zapadno Polje, kao posledica globalnih klimatskih promena sa pojavom katastrofalnih obimnih padavina i velike poplave, dovelo je i do značajnih ali i trajnih promena geomehaničkih karakteristika materijala, umanjenja stabilnosti generalne kosine unutrašnjeg odlagališta i znatnog povećanja rudarskog rizika. Inovirane varijantne ...Natalija Pavlović, Branko Petrović, Tomislav Šubaranović, Ivan Janković. "Optimizacija ugla nagiba generalne kosine unutrašnjeg odlagališta površinskog kopa Tamnava-Zapad" in 15. Međunarodna konferencija o površinskoj eksploataciji OMC 2022, Zlatibor, 12.-15.10.2022., Jugoslovenski komitet za površinsku eksploataciju (2022)
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Tehno-ekonomska analiza varijanti sistema odvodnjavanja površinskog kopa Drmno od podzemnih voda do kraja eksploatacije
Odvodnjavanje površinskog kopa Drmno od podzemnih voda je jedan od najznačajnijih podsistema u procesu eksploatacije u veoma zavodnjenoj radnoj sredini Kostolačkog basena uglja. Već od 2006. godine, Inovirani dugoročni program razvoja eksploatacije uglja predviđa izradu ekrana, pored zadržavanja postojećih standardnih metoda odvodnjavanja od podzemnih voda linijama bunara. Iako je kasnijim Glavnim rudarskim projektom, takođe, bila predviđena izrada ekrana, njegova realizacija nije započela. Na osnovu realnog sagledavanja postojeće projektne dokumentacije, početak izrade ekrana se predviđa od 2023. godine. ...Tomislav Šubaranović, Dušan Polomčić, Vladimir Pavlović. "Tehno-ekonomska analiza varijanti sistema odvodnjavanja površinskog kopa Drmno od podzemnih voda do kraja eksploatacije" in XIII Međunarodna konferencija OMC, Zlatibor, 2018, Jugoslovenski komitet za površinsku eksploataciju (2018)
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Concept od predictive hydrodynamic calculations: An overview of the case studies from Serbia
Dušan Polomčić, Dragoljub Bajić, Jelena Ratković, Vesna Ristić Vakanjac, Marina Čokorilo Ilić (2019)groundwater management, hydrodynamic model, multiple-criteria decision making, open cast mine, groundwater source.0Dušan Polomčić, Dragoljub Bajić, Jelena Ratković, Vesna Ristić Vakanjac, Marina Čokorilo Ilić. "Concept od predictive hydrodynamic calculations: An overview of the case studies from Serbia" in National Conference with international participation “Geosciences 2019”, Bulgaria, 2019, Sofia : Bulgarian Geological Society (2019)
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Development of terminological resources for expert knowledge: a case study in mining
Ljiljana Kolonja, Ranka Stanković, Ivan Obradović, Olivera Kitanović, Aleksandar Cvjetić. "Development of terminological resources for expert knowledge: a case study in mining" in Knowledge Management Research & Practice, Palgrave Macmillan (2015). https://doi.org/10.1057/kmrp.2015.10
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A Knowledge-Based Approach to Mine Ventilation Planning in Yugoslav Mining Practice
Ventilation system analysis is a complex process based on the calculation and analysis of numerous parameters. These problems can be successfully solved by the SimVent numerical package, but a full understanding and use of the obtained results require the involvement of an experienced specialist in the ventilation field. The solution was found in the creation of a hybrid system INVENTS, whose knowledge base represents a formalization of the expert knowledge in the mine ventilation field. In this paper, we ...... the overall performance of the mine ventilation system (Figs. 12 and 13). 4. The “Soko” Coal Mine: A Case Study In this paragraph, we will illustrate the use of the INVENTS hybrid system through the analysis and estimation of the ventilation state in the “Soko” coal mine located in the south-east part ...
... of Serbia. The linear ventilation scheme of the “Soko” coal mine and the airflow distri- bution in the system are given in Fig. 10. The appropriate canonical scheme is given in Fig. 11. The “Soko” mine is being ventilated by a single main mine fan of the TURMAG Gvhv 15-160 type located on the ventilation ...
... B. Denby, Genetic algorithm optimization of large UK coal mine ventilation network, Proc. 8th US Mine Ventilation Symp., 1998, 625-632. 13. Z. Y. Yang, I. S. Lowndes and B. Denby, Application of genetic algorithms to the optimization of large mine ventilation networks, Trans. Instn. Min. Metall., Sect ...Nikola Lilić, Ivan Obradović, Ranka Stanković. "A Knowledge-Based Approach to Mine Ventilation Planning in Yugoslav Mining Practice" in Mineral Resources Engineering 11 no. 4, Imperial College Press (2002): 361-382. https://doi.org/10.1142/S0950609802001014
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A WebGIS Decision Support System for Management of Abandoned Mines
Ranka Stanković, Nikola Vulović, Nikola Lilić, Ivan Obradović, Radule Tošović, Milica Pešić-Georgiadis (2016)... Clarke Energy, Abandoned Mine Methane Gas (AMM). Available online: https://www.clarke-energy.com/ coal-gas/abandoned-mine-gas/ (accessed on 11 April 2015). 3. Díez, R.R.; Díaz-Aguado, M.B. Estimating Limits for the Geothermal Energy Potential of Abandoned Underground Coal Mines: A Simple Methodology ...
... average bench heights, the overall depth of the pit, volume, as well as general data collected during the field visit related to reclamation, water level (whether the mine is above, below, or above and below water level), as well as the site, for example, a pit, a landfill, workshop or plant. Figure 8 shows ...
... natural heat contained in the mine water. Geothermal energy systems using heat pumps to extract this heat can be used to offer local employment and energy resilience to the surrounding communities [1]. Abandoned mine methane (AMM) can also be recovered from closed coal mines and used for producing ...Ranka Stanković, Nikola Vulović, Nikola Lilić, Ivan Obradović, Radule Tošović, Milica Pešić-Georgiadis. "A WebGIS Decision Support System for Management of Abandoned Mines" in Energies 7 no. 9 (2016): 567. https://doi.org/10.3390/en9070567
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Multi-Criteria Fuzzy-Stochastic Diffusion Model of Groundwater Control System Selection
When considering data and parameters in hydrogeology, there are often questions of uncertainty, vagueness, and imprecision in terms of the quantity of spatial distribution. To overcome such problems, certain data may be subjectively expressed in the form of expert judgment, whereby a heuristic approach and the use of fuzzy logic are required. In this way, decision-making criteria relating to an optimal groundwater control system do not always have a numerical value. Groundwater control scenarios (alternatives) are identified through hydrodynamic ...expert judgment, linguistic variables, fuzzy dynamic TOPSIS, hydrogeology, groundwater control system, open-cast mine, geometric Brownian motionDušan Polomčić, Zoran Gligorić, Dragoljub Bajić, Miloš Gligorić, Milanka Negovanović. "Multi-Criteria Fuzzy-Stochastic Diffusion Model of Groundwater Control System Selection" in Symmetry, MDPI AG (2019). https://doi.org/10.3390/sym11050705
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Estimating hydraulic parameters for the complex hydrodynamic models
Hydrodynamic models have usually been calibrated manually, by trial-and-error, with different values of hydraulic parameters and hydraulic characteristics of boundary conditions. This method of calibration and estimation of hydraulic parameters requires an extensive knowledge and experience of experts, but whether the resulting solution includes an optimal set of parameters still remains an open question. An optimization method founded upon the Gauss-Marquardt-Levenberg algorithm, along with PEST software based on that algorithm, introduces automation of model calibration with regularization, which substantially ...Dušan Polomčić, Dragoljub Bajić, Jelena Ratković, Bojan Hajdin. "Estimating hydraulic parameters for the complex hydrodynamic models" in Mining and Metallurgy Engineering Bor, Centre for Evaluation in Education and Science (CEON/CEES) (2018). https://doi.org/10.5937/mmeb1704029P
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Application of the Fuzzy Model in the Evaluation and Selection of Hydraulic Excavators on Open-Pit Lignite Mine
Stevan Đenadić, Miloš Tanasijević, Vladimir Milisavljević, Dragan Ignjatović, Predrag Jovančić (2021)The production of lignite in large open-pit mines is mainly performed with continuously operating equipment, where bucket-wheel excavators, bucket-chain excavators, belt conveyors, and spreaders are the basic machines. Smaller machines, usually of discontinuous operating nature, are commonly categorized as auxiliary machines. This paper presents the research related to the analysis of auxiliary machine parameters with the case study for a hydraulic excavator. The purpose of the analysis was to develop a model of rating quality of service of the ...Stevan Đenadić, Miloš Tanasijević, Vladimir Milisavljević, Dragan Ignjatović, Predrag Jovančić. "Application of the Fuzzy Model in the Evaluation and Selection of Hydraulic Excavators on Open-Pit Lignite Mine" in SSRN Electronic Journal, Elsevier BV (2021). https://doi.org/10.2139/ssrn.3945617
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Managing mining project documentation using human language technology
Purpose: This paper aims to develop a system, which would enable efficient management and exploitation of documentation in electronic form, related to mining projects, with information retrieval and information extraction (IE) features, using various language resources and natural language processing. Design/methodology/approach: The system is designed to integrate textual, lexical, semantic and terminological resources, enabling advanced document search and extraction of information. These resources are integrated with a set of Web services and applications, for different user profiles and use-cases. Findings: The ...Digital libraries, Information retrieval, Data mining, Human language technologies, Project documentationAleksandra Tomašević, Ranka Stanković, Miloš Utvić, Ivan Obradović, Božo Kolonja . "Managing mining project documentation using human language technology" in The Electronic Library (2018). https://doi.org/10.1108/EL-11-2017-0239
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Underground loading-haulage equipment selection with application of topsis method with different weighting methods of criteria
The choice of adequate mining machines is one of the most complex problems in the underground exploitation of mineral raw materials. The weight of such a decision is reflected in the high prices of these machines and the occurrence of even greater costs during their use if their choice was wrongly conceived. There are numerous examples from practice in which such decisions were made solely on the basis of comparing the prices of machines, without considering any of the ...utovarno-transportna mehanizacija, izbor, TOPSIS, entropija, standardna devijacija, težina kriterijumaVladimir Krivošić, Luka Crnogorac, Rade Tokalić. "Underground loading-haulage equipment selection with application of topsis method with different weighting methods of criteria" in Underground mining engineering, University of Belgrade - Faculty of Mining and Geology (2024)
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Primena termografije u rudarstvu
Stevan Đenadić, Vesna Damnjanović, Predrag Jovančić, Dragan Ignjatović, Dragutin Jovković, Filip Miletić (2019)Danas, gotovo da nema oblasti u nauci i tehnici u kojoj se Infracrvena termografija ne primenjuje kao metoda za lociranje i praćenje zagrejanih objekata ili tela, beskontaktnu procenu temperature površina, i nedestruktivno ispitivanje materijala. U radu su prikazane mogućnosti i perspektive primene ove metode u oblasti rudarstva.... Zhai X., Wu S., Wnag K., Drebenstedt C., Zhao J., Environmental influences and extinguish technology of spontaneous combustion of coal gangue heap of Baijigou coal mine in China. 4th International Conference on Energy and Environmental Research, ICEER 2017, Energy Procedia 136, pp 66-72, 2017. ...
... tions-by-process.html [14] Australasian Mine Safety Journal: Thermography in Mining URL: https://www.amsj.com.au/thermography-in-mining/ [15] Vale, Thermography from mines to sports. URL: http://www.vale.com/EN/aboutvale/news/Pages/termografia-mina-esportes.aspx [16] Stryjek P, Nikisz T, ...
... faculty publications available in open access, as well as the employees' publications. - The Repository is available at: www.dr.rgf.bg.ac.rs 57 IX MEĐUNARODNA KONFERENCIJA UGALJ 2019 Zlatibor, 23-26. oktobar 2019. 9th INTERNATIONAL CONFERENCE COAL 2019 Zlatibor, 23-26 October ...Stevan Đenadić, Vesna Damnjanović, Predrag Jovančić, Dragan Ignjatović, Dragutin Jovković, Filip Miletić. "Primena termografije u rudarstvu" in IX Međunarodna konferencija UGALJ 2019, Zlatibor, Srbija, 23-26. oktobar 2019., Jugoslovenski komitet za površinsku eksploataciju (2019)
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Компарација метода XRF i ICP-MS на узорцима угља и продуктима сагоревања
Бранко Костић, Ксенија Ераковић, Дејан Прелевић, Сабина Ковач, Драгана Животић. "Компарација метода XRF i ICP-MS на узорцима угља и продуктима сагоревања" in Записници Српског геолошког друштва (2023)
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Просторни положај лежишта угља Ђурђевик: геофизичко-геолошки модел
Синиша Арсеновић (2019)Лежиште угља Ђурђевик представља источни део Бановићког угљеног басена и припада северној страни босанске офиолитске зоне унутрашњих Динарида у чији састав улазе стене палеозојске, мезозојске и кенозојске старости. Језерска доњомиоценска угљоносна серија изграђена је од лапоровито-глиновитих седимената са једним слојем мрког угља. Дебљина угљеног слоја креће се у интервалу од 5 до 25 m са генералним правцем пружања СЗ - ЈИ и падом према ЈЗ. У зони обухваћеноj геофизичким истраживањима изражена je пострудна тектоника у виду раседа мањег и ...... , Peng, S., Zou, G., 2015. High resolution processing of 3D seismic data for thin coal seam in Guqiao coal mine. Journal of Applied Geophysics 115, 32-39. Walton, C., Evans, B., Urosevic, M., 2000. Imaging coal seam structure using 3-D seismic methods. Exploration Geophysics 31(3), 509-514. ...
... Сарајево: НИШП Ослобођење Сарајево, 58-73 стр. Gochioco, L. M., 1990. Seismic surveys for coal exploration and mine planning. The Leading edge 09, 25-28. Gochioco, L. M., Gochioco, J. R., Ruev, Jr. F., 2012. Coal geophysics expands with growing global demands for safety and productivity. The Leading ...
... change coal mining in China. First Break 23, 31-34. Zhaludev, A. V., Ragoza, E., Kosloff, D. D., 2002. Fast Kirchhoff migration in the wavelet domain. Exploration Geophysics 33(1), 23-27. Zhou, B., Hartherly, P., Fallon, G., Sommer, D., 2013. Coal seismic depth conversion for mine data i ...Синиша Арсеновић. Просторни положај лежишта угља Ђурђевик: геофизичко-геолошки модел, Београд : Рударско-геолошки факултет, 2019
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Composition of organic matter and thermal maturity of Mesozoic and Cenozoic sedimentary rocks in East Herzegovina (External Dinarides, Bosnia and Herzegovina)
This paper presents the first data on the organic matter and thermal maturity of Mesozoic and Cenozoic sedimentary rocks in the East Herzegovina region of the External Dinarides. Representative, organic-rich samples from outcropping sedimentary rocks of different ages in the area (Triassic to Neogene) were selected and analysed. The organic matter was studied by Rock-Eval pyrolysis and under the microscope in reflected non-polarized light and incident blue light. The results obtained show the presence of different types of organic ...... carbonaceous marl. �e youngest sediments (Middle Miocene) were sampled near the Gacko coal mine. A piece of clean coal was tak- en from the main coal seam, formed on top of light grey marl. �e Gacko main coal seam has a thickness of 9 to 24 m (Mirković et al., 1974) and it was deposited during the ...
... carbonaceous marl. The youngest sediments (Middle Miocene) were sampled near the Gacko coal mine. A piece of clean coal was tak- en from the main coal seam, formed on top of light grey marl. The Gacko main coal seam has a thickness of 9 to 24 m (Mirkovic¢ et al., 1974) and it was deposited during the ...
... stage of thermal maturity. �e Miocene coal sample analysed (Fig. 7) from the Gacko coal mine, with huminite as the major maceral group, pro- vided the most reliable data. More than 450 measurements were made, and the mean re�ectance was 0.34% Rr (lignite coal rank). �ese are also the �rst results ...Nikoleta Aleksić, Aleksandar Kostić, Miloš Radonjić. "Composition of organic matter and thermal maturity of Mesozoic and Cenozoic sedimentary rocks in East Herzegovina (External Dinarides, Bosnia and Herzegovina)" in Annales Societatis Geologorum Poloniae (2021). https://doi.org/10.14241/asgp.2021.16
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Distribution of major and trace elements in the Kovin lignite (Serbia)
Dragana Životić, Olga Cvetković, Predrag Vulić, Ivan Gržetić, Vladimir Simić, Konstantin Ilijević, Biljana Dojčinović, Suzana Erić, Bogdan Radić, Sanja Stojadinović, Snežana Trifunović (2019)geochemical and mineralogical study was performed on lignite samples from the Upper Miocene Kovin deposit, hosting three coal seams. The Kovin lignite is characterized by high moisture content, medium to high ash yield, medium to high sulphur content and a relatively low gross and net calorific value. The mineralogical composition, and major and trace element contents were determined by X-ray diffraction, scanning electron microscopy with energy dispersive Xray spectroscopy (SEM-EDS) analyses, and inductively coupled plasma optical emission spectrometry (ICP-OES). ...... trg 12–16, 11000 Belgrade, Serbia 4 Kovin coal mine, Cara Lazara 85, 26220 Kovin, Serbia doi: 10.4154/gc.2019.06 Abstract A geochemical and mineralogical study was performed on lignite samples from the Upper Mio- cene Kovin deposit, hosting three coal seams. The Kovin lignite is characterized by ...
... (EEF) began in 1991, and is still active. Since 1991, the Kovin mine has produced about 5 Mt of lignite, with an annual produc tion of ~ 300,000 t. Geological exploration of the wider area of the Kovin de posit, including the Kostolac coal basin, began in the late 19th century. The Upper Miocene (Pontian) ...
... and deposi tional environment of the Kipra lignite seam, MaritzaWest basin, Bulgaria.– In ternational Journal of Coal Geology, 71, 527–541. doi: 10.1016/j.coal.2006.06.006 KOVIN MINE – OFFICIAL WEB SITE: http://www.rudnikkovin.rs/wp (last accessed June 4, 2018). KOUKOUZAS, N., WARD, C. & LI, Z. ...Dragana Životić, Olga Cvetković, Predrag Vulić, Ivan Gržetić, Vladimir Simić, Konstantin Ilijević, Biljana Dojčinović, Suzana Erić, Bogdan Radić, Sanja Stojadinović, Snežana Trifunović. "Distribution of major and trace elements in the Kovin lignite (Serbia)" in Geologia Croatica, Croatian Geological Survey (2019). https://doi.org/10.4154/gc.2019.06
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Optimizacija utovarno-transportnih sistema u funkciji planiranja površinskog kopa
Mirjana V. Banković (2018-07-13)Profitabilna eksploatacija sve složenijih ležišta je težak zadatak koji zavisi odtemeljnog procesa analize, planiranja i projektovanja rudnika. Izvodljiv strateškiplan mora da zadovoljava društvena, regulatorna, tehnološka, geometrijska iekonomska ograničenja. Kako bi se postigao osnovni cilj, odnosno profitabilnost iodrživost rudarskog projekta na duži period, neophodno je unapređenjematematičkih modela i informatičke podrške procesima planiranja i optimizacijekoji će omogućiti efikasnu realizaciju ovih ciljeva...tehnološki model, integralni model, planiranje, optimizacija,utovarno-transportni sistem, neto sadašnja vrednost projekta... analytic hierarchy process in equipment selection at Orhaneli open pit coal mine, Mining Technology, 113 (3), 192-199. Bascetin, A., Kesimal, A., 1999, The study of a fuzzy set theory for the selection of an optimum coal transportation system from pit to the power plant. International Journal of Surface Mining ...
... M., Jennings, A., 2016, Impumelelo coal mine is home to the world's longest belt conveyor. Mining engineering. Englewood, USA: SME. Thompson, R., 2005, Surface strip coal mining handbook. South African Colliery Managers Association. Thorley, U., 2012, Open Pit Mine Planning: Analysis and system modeling ...
... Advances in Orebody Modelling and Strategic Mine Planning I. AusIMM. Benndorf, J., 2013, Application of efficient methods of conditional simulation for optimising coal blending strategies in large continuous open pit mining operations. International Journal of Coal Geology, 112, 141-153. Benndorf, J., Yueksel ...Mirjana V. Banković. "Optimizacija utovarno-transportnih sistema u funkciji planiranja površinskog kopa" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2018-07-13)
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A Data Driven Approach for Raw Material Terminology
Olivera Kitanović, Ranka Stanković, Aleksandra Tomašević, Mihailo Škorić, Ivan Babić, Ljiljana Kolonja (2021)The research presented in this paper aims at creating a bilingual (sr-en), easily searchable, hypertext, born-digital, corpus-based terminological database of raw material terminology for dictionary production. The approach is based on linking dictionaries related to the raw material domain, both digitally born and printed, into a lexicon structure, aligning terminology from different dictionaries as much as possible. This paper presents the main features of this approach, data used for compilation of the terminological database, the procedure by which it has ...sirovine, rudarstvo, terminologija, rečnik, terminološka aplikacija, mobilna aplikacija, digitizacija, leksički podaci, korpusi, otvoreni povezani podaci... ‘kvalitet uglja’ (coal quality—1110), ‘sistem upravljanja’ (management system—902), ‘procena rizika’ (risk assessment—514). • AN (29%), AXN—an adjective followed by a noun; the adjective and the noun have to agree in all four grammatical categories; examples are ‘površinski kop’ (open pit—5738), ‘ugljeni ...
... majority of English multi-compound terms are noun compounds. These linguistic constructions are most often composed of two or more nouns. for example, ‘coal waste’—‘jalovina’, ‘waste dump’—‘odlagalište jalovine’, ‘gas pressure’—‘pritisak gasa’. However, they can also contain three, four or more nouns, for ...
... lemmatized form. Frequency of each terminological phrase was calculated as the sum of frequencies of all its inflected forms. For example, ‘kvalitet uglja’ (coal quality) has a frequency of 1110 as a sum of frequencies of its forms: ‘kvalitet uglja’ (172), ’kvaliteta uglja’ (587), ‘kvalitetom uglja’ (284), ‘kvalitetu ...Olivera Kitanović, Ranka Stanković, Aleksandra Tomašević, Mihailo Škorić, Ivan Babić, Ljiljana Kolonja. "A Data Driven Approach for Raw Material Terminology" in Applied Sciences, MDPI AG (2021). https://doi.org/10.3390/app11072892
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Отпад из процеса сагоревања угља као сировина за добијање елемената ретких земаља
Бојан Земљак (2024)Због великог броја индустрија у којима се користе ови ресурси, глобална економија се у великој мери ослања на елементе ретких земаља. Елементи ретких земаља су есенцијална сировина — материјал за развој савремених технологија, али у односу на њихову огромну потражњу, њихово вађење је ограничено и повезано је са значајним утицајима на животну средину. Због њихове ограничене доступности, проблема који се јављају при процесима експлоатације, све више и више земаља почиње да тражи повољније могућности вађења елемената [REE] из секундарних ...... enrichment and recovery of rare earth elements from South African coal fly ash. [172] Kashiwakura, S., Kumagai, Y., Kubo, H. and Wagatsuma, K., 2013. Dissolution of rare earth elements from coal fly ash particles in a dilute H2SO4 solvent. Open Journal of Physical Chemistry, 3(02), p.69-75. &8 [173] ...
... for selective extraction of rare carth elements from acid mine drainage. Journal of Hazardous Materials, 424, p.127625. [222] Huang, C., Wang, Y., Huang, B., Dong, Y. and Sun, X., 2019. The recovery of rare earth elements from coal combuston products by ionic liquids. Minerals Engineering, 130 ...
... utilisation prospects of coal fly ash: A review. Science of the Total Environment, 672, p.951-989. [14] Mahandra, H., Hubert, B. and Ghahreman, A., 2021. Recovery of rare earth and some other potential elements from coal fly ash for sustainable future. In Cleanm Coal Technologies: Beneficiation ...Бојан Земљак. Отпад из процеса сагоревања угља као сировина за добијање елемената ретких земаља, 2024