Претрага
450 items
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The type of mechano-activator effect on mechanical activation of fly ash
Ljubiša Andrić, Zagorka Aćimović-Pavlović, Milan Petrov, Kostović Milena, Zoran Bartulović. "The type of mechano-activator effect on mechanical activation of fly ash" in Journal of Mining and Metallurgy, Section A: Mining, :University of Belgrade, Technical faculty Bor (2012)
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Compressive strength and hydrolytic stability of fly ash based geopolymers
Nikolić Irena, Đurović Dijana, Zejak Radomir, Karanović Ljiljana, Tadić Milena, Blečić Dragoljub, Radmilović Velimir. (2013)Nikolić Irena, Đurović Dijana, Zejak Radomir, Karanović Ljiljana, Tadić Milena, Blečić Dragoljub, Radmilović Velimir.. "Compressive strength and hydrolytic stability of fly ash based geopolymers" in Journal of the Serbian Chemical Society 78 no. 6, Karnegijeva 4/3, 11000 Beograd:Srpsko hemijsko društvo (2013): 851-863. https://doi.org/10.2298/JSC121024001N
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Geopolymerization of coal fly ash in the presence of electric arc furnace dust
Nikolić Irena, Đurović Dijana, Blečić Dragoljub, Zejak Radomir, Karanović Ljiljana, Mitsche Stefan, Radmilović Velimir (2013)Nikolić Irena, Đurović Dijana, Blečić Dragoljub, Zejak Radomir, Karanović Ljiljana, Mitsche Stefan, Radmilović Velimir. "Geopolymerization of coal fly ash in the presence of electric arc furnace dust" in Minerals Engineering 49, Radarweg 29; Amsterdam, 1043 NX; Netherlands:Elsevier BV (2013): 24-32. https://doi.org/10.1016/j.mineng.2013.04.007
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Influence of alkali cation on the mechanical properties and durability of fly ash based geopolymers
Nikolić Irena, Zejak Radomir, Častvan Janković Ivona, Karanović Ljiljana, Radmilović Vuk, Radmilović Velimir. (2013)Nikolić Irena, Zejak Radomir, Častvan Janković Ivona, Karanović Ljiljana, Radmilović Vuk, Radmilović Velimir.. "Influence of alkali cation on the mechanical properties and durability of fly ash based geopolymers" in Acta Chimica Slovenica 60, Hajdrihova 19; Ljubljana, 1000; Slovenia:Slovensko Kemijsko Drustvo (2013): 636-643
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Research on Power Plant Ash Impact on the Quality of Soil in Kostolac and Gacko Coal Basins
Savić Dragana, Nišić Dragana, Malić Nenad, Dragosavljević Zlatko, Medenica Dragan. "Research on Power Plant Ash Impact on the Quality of Soil in Kostolac and Gacko Coal Basins" in Minerals 54 no. 8 (2), Basel, Switzerland:MDPI AG (2018): 1-16. https://doi.org/doi:10.3390/min8020054
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Physical properties of hydraulic binders with high amount of fly ash
Jovanović Ivana, Milošević Vladan, Petrov Milan, Kostović Milena, Miličić Ljiljana, Todorović Dejan (2011)Jovanović Ivana, Milošević Vladan, Petrov Milan, Kostović Milena, Miličić Ljiljana, Todorović Dejan. "Physical properties of hydraulic binders with high amount of fly ash" in Proceedings of 43rd International October Conference on Mining and Metallurgy, 34006 (Mehanohemijski tretman nedovoljno kvalitetnih mineralnih sirovina):University of Belgrade, Technical Faculty, Bor (2011): 637-640
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Mineral composition of the airborne particles in the coal dust and fly ash of the Kolubara basin (Serbia)
Cvetković Željko, Logar Mihovil, Rosić Aleksandra, Ćirić Aleksandra. "Mineral composition of the airborne particles in the coal dust and fly ash of the Kolubara basin (Serbia)" in Periodico di Mineralogia : An International Journal of Mineralogy, Crystallography, Geochemistry, Ore Deposits, Petrology, Volcanology and applied topics on Environment, Archeometry and Cultural Heritage 81 no. 2, Rome, Italy:Eduzioni nuova cultura (2012): 205-223. https://doi.org/10.2451/2012PM0012
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The effect of the content of unburned carbon in bottom ash on its applicability for road construction
Trifunović Prvoslav, Marinković Slobodanka, Tokalić Rade, Matijašević Srdjan. "The effect of the content of unburned carbon in bottom ash on its applicability for road construction" in Тhermochimica Acta, 20 January 2010 498 no. 1–2, Amsterdam, Netherlands:Elsevier BV (2010): 1-6. https://doi.org/10.1016/j.tca.2009.10.022
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The Perception Differences Between Expert and Non-expert Audience on the Enviromentally Undesirable Facilities – The case of “Cirikovac mine” Ash Landfill
Knežević Dinko, Radivojević Sandra, Stefanović Milica, Drobac Jelena, Ravilić Marina. "The Perception Differences Between Expert and Non-expert Audience on the Enviromentally Undesirable Facilities – The case of “Cirikovac mine” Ash Landfill" in Tehnika -Rudarstvo, geologija i metalurgija 64 no. 5, Beograd, Srbija:Savez inženjera i tehničara Srbije, Beograd (2013): 837-848
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Evolution of coal ash solidification properties with disposal site depth and age, Gacko Thermal power plant case
Knežević Dinko, Nišić Dragana, Beatović Sreten, Tomašević Aleksandra. "Evolution of coal ash solidification properties with disposal site depth and age, Gacko Thermal power plant case" in Technics, Mining, Geology and Metallurgy 72 no. 2, Beograd: Savez inženjera i tehničara Srbije (2017): 195-203. https://doi.org/DOI:10.5937/tehnika1702195K
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Modification of mechanical and thermal properties of fly ash-based geopolymer by the incorporation of steel slag
Nikolić Irena, Marković Smilja, Janković-Častvan Ivona, Radmilović V.Vuk, Karanović Ljiljana, Babić Biljana, Radmilović R.Velimir (2016)Nikolić Irena, Marković Smilja, Janković-Častvan Ivona, Radmilović V.Vuk, Karanović Ljiljana, Babić Biljana, Radmilović R.Velimir. "Modification of mechanical and thermal properties of fly ash-based geopolymer by the incorporation of steel slag" in Materials Letters 176, Sara Burgerhartstraat 25; Amsterdam, 1055 KV; Netherlands; Subscr. to: Elsevier BV, PO Box 211, Amst:Elsevier BV Elsevier BV (2016): 301-305. https://doi.org/10.1016/j.matlet.2016.04.121
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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 ...... gasification ash. Fuel, 87(6), p.857-869. [166] Panda, L. and Dash, S., 2020. Characterization and utilization of coal fly ash: a review. Emerging Materials Research, 9(3), p.921-934. [167] Wang, Z., Dai, S., Zou, J., French, D. and Graham, I.T., 2019. Rare earth elements and yttrium in coal ash from ...
... 2019. Progressive 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: ...
... on the 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 ...Бојан Земљак. Отпад из процеса сагоревања угља као сировина за добијање елемената ретких земаља, 2024
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Application of stochastic models for mine planning and coal quality control
... quality control between the mine site and the utility plant is a complex problem owing to the variable nature of coal properties (heating value, sulfur, ash), even within the same coal seam. Due to the fluctuation of the coal quality, mine planning and coal homogenization are in fact an optimization problem ...
... properties, and with the effect of off-design coal characteristics on power plant performance and cost. According to Shih and Frey [3] sulfur and ash content and heating value are considered as normally distributed random variables. The objectives of a model to optimize operation of a plant must include ...
... the expected (mean) costs of coal blending and (2) the variance of coal blending costs. The cost objective function includes coal purchasing cost, ash disposal cost, sulfur removal cost, and fuel switch- ing costs. Chance constraints include several risk measures, such as the probability of exceeding ...Dejan Stevanović, Božo Kolonja, Ranka Stanković, Dinko Knežević, Mirjana Banković. "Application of stochastic models for mine planning and coal quality control" in Thermal Science, Belgrade : Vinča Institute of Nuclear Sciences (2014). https://doi.org/10.2298/TSCI130201031S
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Application of Lignite Combustion Waste Slag Generated in Heating Plants as a Partial Replacement for Cement. Part II: Physical–Mechanical and Physical–Chemical Characterization of Mortar and Concrete
Milan Kragović, Nenad Ristić , Jelena Gulicovski, Andrijana Nedeljković, Snežana Pašalić, Ivica Ristović, Marija Stojmenović (2021)sagorevanje lignita, otpadna šljaka, zamena cementa, proizvodnja maltera i betona, fizičko-mehanička i fizičko-hemijska karakterizacija... effect, soil or water contamination, etc.) [3]. The non-combustible part of lignite mainly consists of moisture and ash, of which about 85–95% is fly ash and about 10% is slag [7]. Fly ash Minerals 2021, 11, 925. https://doi.org/10.3390/min11090925 https://www.mdpi.com/journal/minerals minerals Article ...
... effect, soil or water contamination, etc.) [3]. The non-combustible part of lignite mainly consists of moisture and ash, of which about 85-95% is fly ash and about 10% is slag [7]. Fly ash Minerals 2021, 11, 925. https: / /doi.org/10.3390/min11090925 https: / /www.mdpi.com/journal/minerals Minerals ...
... waste in the construction industry, previous research has largely been focused on finding the useful value of fly ash [9], blast furnace slag of different origins [10,11], or slag and ash from the metallurgical industry [12,13]. Additionally, there are some studies which described that the tailings materials ...Milan Kragović, Nenad Ristić , Jelena Gulicovski, Andrijana Nedeljković, Snežana Pašalić, Ivica Ristović, Marija Stojmenović . "Application of Lignite Combustion Waste Slag Generated in Heating Plants as a Partial Replacement for Cement. Part II: Physical–Mechanical and Physical–Chemical Characterization of Mortar and Concrete" in Minerals, MDPI (2021). https://doi.org/10.3390/min11090925
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Application of Project Management Process on Environmental Management System Improvement in Mining-Energy Complexes
... 1 + 0 + 1 + 1 + 0 + 1 36 27 Ash dispersal into surrounding surface water due to wind 4 2 1 + 0 + 1 + 0 + 0 + 0 16 28 Ash-hole rinsing by atmospheric precipitation 3 3 1 + 0 + 1 + 1 + 0 + 1 36 29 Irregular ash dump sprinkling 4 3 0 + 1 + 0 + 1 + 0 + 1 36 30 Unfavorable ash and water ratio in the thick ...
... layer; a change in pedological and geological composition; disturbance of soil stability; land subsidence; disposal of tailings, ash, and slag; and delivery of coal dust and ash through airflow and gas emissions from coal combustion. Wastewaters in the abandoned surface mines and deep mines lead to pollution ...
... buried humus layer Emissions of heavy metals into the surrounding land Disposal of tailings, ash and slag Improper disposal of tailings A4 Inadequate disposal of sludge Irregular sprinkling of ash landfill Transportation of coal and tailings Exhaust gas emissions during the transportation ...Jelena Malenović Nikolić, Dejan Vasović , Ivana Filipović , Stevan Mušicki, Ivica Ristović . "Application of Project Management Process on Environmental Management System Improvement in Mining-Energy Complexes" in Energies (2016). https://doi.org/https://doi.org/10.3390/en9121071
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Environmental Energy Security Indicators as Tools for Environmental Protection
Еколошка прихватљивост је постала незаменљив синтезни показатељ сваке валидне енергетске анализе у последње две-три деценије. Енергетска безбедност је у директној хармонији с еколошком прихватљивошћу кроз многе прописане политичке циљеве, економске користи, правне тековине итд. Индикатори еколошке сигурности представљају један од основних елемената за одређивање енергетске безбедности и снажне алате за усмеравање енергетског сектора ка одрживом развоју. У овом раду, анализа је била концентрисана на показатеље енергетске безбедности у области животне средине који се односе на сектор природног гаса у ...енергетска безбедност, еколошки енергетски индикатори, заштита животне средине, еколошка прихватљивост... devices, without modern measurement, control and regulatory elements) in the field of consumer consumption affects the emission of particulates and ash. Industrial plants are often in sub-optimal operating modes (frequent change of load, downtime, etc.), which causes an increase in emissions. It ...
... на: https://webstore.iea.org/co2- emissions-from-fuel-combustion-2018-highlights 20. Henry, W.M., Knapp, K.T., Compound forms of fossil fuel fly ash emissions, Environmental Science Technology 2010, Volume 4, pp. 450-456 21. Jovašević-Stojanović, M., Bartonova, A., Current State of Particulate ...
... the construction of large additional underground storage facilities. This scenario is in line with the goals of the Energy Community in the SEE region [6]. Table 5. Natural gas consumption projection [5] Scenario Referent Intensive consumption units Sector 2020 2025 2020 2025 Households ...Aleksandar Madžarević, Dejan Ivezić, Marija Živković , Miloš Tansijević. "Environmental Energy Security Indicators as Tools for Environmental Protection" in Mining and Environmental Protection-MEP 2019, University of Belgrade, Faculty of Mining and Geology (2019)
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Application of VIКOR method in the selection of an optimal splution of excavation “Borska Reka” ore deposit
Sanja Bajić, Dragoljub Bajić, Branko Glušćević, Radmila Gaćina. "Application of VIКOR method in the selection of an optimal splution of excavation “Borska Reka” ore deposit" in 9th International Conference Mining and Environmental protection MEP, 24 – 27 May 2023, Sokobanja, Serbia , Belgrade : University of Belgrade-Faculty of mining and geology (2023)
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Approach to operational mine planning: Case study Tamnava West
... testing was conducted for Moisture, Ash, Lower (LVC) and Upper Calorific Value. After preliminary statistical analyses the 367 sample where rejected based on correlation between Ash and LCV (Figure 4). Figure 4. Preliminary statistic analyses of Ash/LCV corelation 2.1.2. Geological ...
... control between the mine site and the utility plant is a complex problem owing to the variable nature of coal properties (heating value, sulfur, ash), even within the same coal seam. In order to ensure a normal and efficient operation of the power plants fed with coal it is necessary to reduce ...
... black coal utilization, Callaghan 5 Galetakis M, Pavloudakis F, 2009, The effect of lignite quality variation on the efficiency of on-line ash analyzers, International Journal of Coal Geology, vol. 80, pp. 145-156 6 Beretta F, Costa J, Koppe J, Souza V, 2009, Reducing coal quality ...Dejan Stevanović, Mirjana Banković, Milica Pešić Georgiadis, Ranka Stanković. "Approach to operational mine planning: Case study Tamnava West" in Tehnika, Beograd : Savez inženjera i tehničara Srbije (2014). https://doi.org/10.5937/tehnika1406952S
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Actual contamination of the Danube and Sava rivers at Belgrade (2013)
Milan Antonijević, Marija Arsović, Josef Cáslavský, Vesna Cvetković, Predrag Dabić, Mladen Franko, Gordana Ilić, Milena Ivanovic, Nevena Ivanović, Milica Kosovac, Dragana Medić, Slobodan Najdanović, Milica Nikolić, Jovana Novaković, Tatjana Radovanović, Djurdjina Ranić, Bojan Šajatović, Gorica Špijunović, Ivana Stankov, Jelena Tošović, Polonca Trebse, Olivera Vasiljević, Jan Schwarzbauer (2014)rečni sistemi, stanje zagađenja, organski zagađivači, teški metali, skrining analize, non-target screening... Arch. . Insect Biochem. Physiol. 49 (2002) 71 31. A. Grigoriadou, J. Schwarzbauer, A. Georgakopoulos, Environ. Pollut. 151 (2008) 231 32. M. Ash, I. Ash, Handbook of Green Chemicals, 2nd ed., Synapse Information Resources, New York, 2004 33. L. S. Sheldon, R. A. Hites, Environ. Sci. Technol. 13 ...
... February 2013) Abstract: This study was focussed on a comprehensive investigation on the state of pollution of the Danube and Sava Rivers in the region of Belgrade. Different complementary analytical approaches were employed covering both i) organic contaminants in the river water by target analyses ...
... study focused on a comprehensive investigation on the state of pollution of the Danube and Sava Rivers in the area of their confluence, the Belgrade region. For these purposes, different complementary analytical approaches were used at different laboratories in Europe (Czech Republic, Slovenia, United ...Milan Antonijević, Marija Arsović, Josef Cáslavský, Vesna Cvetković, Predrag Dabić, Mladen Franko, Gordana Ilić, Milena Ivanovic, Nevena Ivanović, Milica Kosovac, Dragana Medić, Slobodan Najdanović, Milica Nikolić, Jovana Novaković, Tatjana Radovanović, Djurdjina Ranić, Bojan Šajatović, Gorica Špijunović, Ivana Stankov, Jelena Tošović, Polonca Trebse, Olivera Vasiljević, Jan Schwarzbauer. "Actual contamination of the Danube and Sava rivers at Belgrade (2013)" in Journal of the Serbian Chemical Society, National Library of Serbia (2014). https://doi.org/10.2298/JSC131105014A
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The Potential of Biomarkers to Distinguish Lower and Middle Miocene Lignites from the Coal-Mining District of Lusatia
... (Kus et al., 2020). The contents of moisture, ash, sulphur, and total organic carbon (TOC) were determined. The biomarker compositions were evaluated using gas chromatography-mass spectrometry. TOC contents (48.17 – 57.20 %) associated with ash contents < 11.5 % indicate relatively stable ...I. Kojic, J. Kus, D. Zivotic, K. Stojanovic. "The Potential of Biomarkers to Distinguish Lower and Middle Miocene Lignites from the Coal-Mining District of Lusatia" in 30th International Meeting on Organic Geochemistry (IMOG 2021), European Association of Geoscientists & Engineers (2021). https://doi.org/10.3997/2214-4609.202134092