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ISSN 0351-0212 · Mining and Metallurgy Institute, Bor · 44 artikel di indeks
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Technological solution for excavating the returnable coal zone at the "Gacko" power plant for the purpose of improving the heat value of the energy fuel for the Gacko power plant
Due to the movement of blocks on the overburden and coal, on the southern slope of field "C", where the main coal layer, with optimal quality characteristics, was exploited as fuel for TE Gacko, the exploitation of coal in the Central exploitation zone was completely suspended. Coal supply for the…
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Quantity and content of total atmospheric deposition in Bor in the period from 2016 to 2023
This paper analyzes the amount and chemical composition (As, Cd, Pb) of total atmospheric deposition (TAD) in Bor from 2016-2023. The analysis results for three measurement sites in the urban environment of Bor (Technical Faculty - TF, City Park - TP, and Institute of Mining and Metallurgy - IN)…
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The analytical method for determining the parameters of impulse overvoltages from atmospheric discharges
Impulse generators with RC circuits form the foundation for producing surge voltages used in high-voltage equipment testing. In high-voltage engineering literature, the expressions for impulse voltage waveforms include known parameters of lightning or switching overvoltages, which are used to…
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Recycling of nickel-cadmium batteries
The electrodes of Ni-Cd batteries contain heavy metals such as Ni, Cd and Co, which must be recycled to solve environmental problems. At the same time, Ni and Co obtained during the process have significant economic value and belong to strategically important metals (Critical Raw Materials…
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Control charts as a tool for improving the quality of laboratory analyses
The validity of test results represents one of the most important aspects in the implementation of the SRPS ISO/IEC 17025 standard and is a key factor in the operation of accredited laboratories. Ensuring reliable results is achieved through continuous monitoring and analysis of the obtained data…
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Analysis of the stability of the finishing slopes at the surface mining Severni revir of the Majdanpek copper mine
Geometrical elements for the construction of the open pit Severni revir of the Majdanpek copper mine were adopted based on the engineering-geological characteristics of the working environment, taking into account the applied work technology and the adopted mechanization, as well as based on…
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The most common failures of electric generators at dumpers BELAZ 75135
The aim of this paper is to point out the electrical equipment that is subject to frequent break-downs in BELAZ dumpers75135, 75145 and other types of dumper trucks that are represented in our mines especially in open-pit mines. The transmission of power from the diesel engine to the drive wheels…
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XGBoost-based calibration of the portable PAQMON 1.0 PM monitor in outdoor conditions
This study examines the applicability of the XG calibration procedure for the PAQMON 1.0 portable platform in field conditions. Although PAQMON 1.0 is designed to accommodate additional sensor modules, this study utilized a version adapted explicitly for monitoring respirable particulate matter…
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Assessment of pollution and risk of soil pollution in Bor using different indices
The paper analyzed the content of pollutants and harmful elements in the soil in Bor during the year 2022. The concentrations of Cu, Ni, Cr, Pb and As in the soil were determined at 15 locations near the Bor Mining and Smelting Complex. Soil pollution at individual locations was assessed based on…
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Testing the characteristics of portable PM monitors in laboratory conditions
This paper presents the results of testing the characteristics of portable PM monitors in laboratory conditions. The test was conducted in the Laboratory for Applied Informatics and Computer Engineering of the Mining and Metallurgy Institute Bor during February 2025. The results of measuring the…
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Thermal power plants in Bosnia and Herzegovina and Serbia: Emissions and pollution control technologies using the example of TPP Stanari
Coal-fired thermal power plants (TPPs) form the basis of the electric power systems of Bosnia and Herzegovina and Serbia, but at the same time they represent the largest sources of emissions of sulfur dioxide, nitrogen oxides, solid particles and carbon dioxide. These emissions significantly exceed…
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Investigation of seasonal changes in suspended particle concentrations in apartments in Bor
This study presents the results of seasonal variation analyses of suspended particulate matter (PM10 and PM2.5) concentrations measured in 15 residential apartments in the city of Bor, Serbia, during the period from February to June 2025. Measurements were conducted over 45-day intervals during…
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Defining the spatial position of the landslides and unstable zone of the Eastern slope of the open-pit mine, southern District of the Majdanpek copper mine
The design of the final boundary of the intervention in the Eastern part of the South District open pit mine was carried out on the basis of a defined solid of the landslide and unstable zone in the space limited by the terrain topography, the upper surface, the boundary of the sliding plane, and…
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Detailed geological research of the Gacko coal basin's return zone as A basis for recategorization of reserves and selection of coal purification technology
Detailed geological and engineering-geological investigations of the coal zone and the Eastern field of the Gacko coal basin were carried out to provide reliable bases for mining design and operation of the Gacko thermal power plant. The investigations, carried out in accordance with the applicable…
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Engineering-geological conditions and stability analysis of the southern slope of the central field of the "Gacko" open-pit mine
The southern slope of the Gacko open-pit mine shows pronounced instability after an earthquake and a large water intrusion during 2022, which led to terrain deformations and interruption of exploitation. The aim of the work is to, based on engineering geological, geophysical, hydrogeological and…
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X-control charts as a means of static quality control of rope testing for export facilities in mining
Accredited Laboratory for Materials Testing within the Mining and Metallurgy Institute (MMI) Bor has a primary role in testing steel ropes for export facilities in mining. Reliable and valid test results require the possession of correct and high-quality equipment, as well as the competence of the…
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Protection of HV and MV lines in electric power distribution Kruševac with special emphasis on microprocessor relay protection
The aim of the paper is to present the method of implementing and using relay protection with a special emphasis on microprocessor relay protection in Electric power distribution Kruševac, and based on the presented concrete examples of settings and operation of protective devices that were…
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Air quality in the city of Bor in 2023
The air quality in the city of Bor in 2023 is analysed in this paper. In the period from May 1, 2022 until April 1, 2023 the copper smelter in Bor was not working due to reconstruction and capacity increase. The analyses show that in 2023, no exceeding of the daily limit value for SO2 , PM10, and…
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Technology of stable transportation of combustion by-products in the framework of termal power plant "Pljevlja" by belt conveyors
After the ecological reconstruction of the "Pljevlja" thermal power plant, ash and slag are produced as combustion by-products in amounts of 420.000 t and 70.000 t, while after desulphurization process, gypsum is obtained in the amount of 154.000 t. This paper deals with the transportation of all…
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Testing of electrical insulation mats in TS 35/10 kV and analysis of the actual situation
The aim of this paper is to present the principle of testing electrical insulation mats and the results of the tests as well as observed irregularities in their operation in transformer stations 35/10 kV (TS 35/10) in Serbia. In accordance with the progress of technology, more and more automation…