Developments in modeling and simulation of iron ore sintering. Ironmak. Steelmak. (1990) Y.T. Didenko et al. The energy efficiency of formation of photons, radicals and ions during single-bubble cavitation. ... To evaluate an iron ore resource, develop processing routines for iron ore beneficiation, and understand the behavior of the ore …Web
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Introduction. This work presents an application of geostatistical simulation for assessing the mineral resources and quantifying the geological uncertainty in an iron ore deposit. Although it uses well-known models (plurigaussian and multigaussian), it is innovative for several reasons. The first one is the high dimensionality of the problem ...Web
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on process simulation software. Thus, REDUCTOR is more detailed and more precise, but, of course, requires longer computation times. Figure 1. MIDREX process flowsheet. The modeling of a shaft furnace, simulating the reduction of iron ore by syngas, is a powerful tool for defining optimal operating conditions.Web
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This study focussed on flowsheet simulation for mineralogical-based approach to geometallurgy of iron ores. Process unit models used were …Web
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In this study, a novel technology for the comprehensive utilization of low-grade iron ore is presented. For the iron ore with a Fe content of 24.91%, a pilot-scale study of pre-concentration, suspension magnetization roasting, grinding, and low-intensity magnetic separation was conducted, and an iron concentrate with a grade of 62.21% …Web
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This paper addresses the modeling of the iron ore direct reduction process, a process likely to reduce CO 2 emissions from the steel industry. The shaft furnace is divided into three sections (reduction, transition, and cooling), and the model is two-dimensional (cylindrical geometry for the upper sections and conical geometry for the lower one), to …Web
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Mechanical degradation of iron ore pellets can have important economic and environmental implications. The work initially describes a pneumatic gun device that has been developed for ...Web
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A mathematical simulation method was adopted to contrastively study the fuel segregation distribution sintering process and the conventional iron ore sintering process.Web
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The reverse flotation of the iron ore with etheramine collector is significantly impacted when the iron-bearing silicates and the kaolinite are present in the silicates gangue mineral complex. This paper aims to propose a new amidoamine collector N-[3-(Dimethylamino)propyl]dodecanamide for iron ore reverse flotation with a potential of …Web
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iron ore and coke, as well as the consequent increase in their costs, alternative processes have gained increasing interest [3]. For these reasons, the interest in DR of iron ore has grown significantly, being responsible for the global produc-tion of about 100 million tons of iron per year in recent years [4].Web
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The work analyzes the performance of the main type of screen used in classification of green iron ore pellets, the roller screen, through simulations using the discrete element method. Recognition of the sticky nature of the material led to the choice of the Hertz-Mindlin model with JKR cohesion to describe the contacts.Web
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The SPH‐model is used for simulation of iron ore pellets silo flow. A two dimensional axisymmetric model of the silo is used in the simulations. The simulation results are compared with data ...Web
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Proceedings of the 7th WSEAS International Conference on SYSTEM SCIENCE and SIMULATION in ENGINEERING (ICOSSSE '08) Modeling and Simulation of Processes from an Iron Ore Sintering Plant CORINA MARIA DINIŞ GABRIEL NICOLAE POPA ANGELA IAGĂR Department of Electrotechnical Engineering and Industrial Informatics …Web
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In this paper, a numerical model is established and used to predict the FLDS performance in terms of six different indicators such as FFS (Flame Front Speed), sintering time, …Web
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By varying saponin dosages, iron ore percentage, pH, temperature, and the shear stress-shear rate correlation on the rheological properties of iron ore water slurry has been investigated.Web
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Request PDF | On Nov 1, 2013, Gabriel K.P. Barrios and others published Contact parameter estimation for DEM simulation of iron ore pellet handling | Find, read and cite all the research you need ...Web
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The main objective of this research was therefore to assess the system-level dynamic simulation and techno-economic optimisation of iron ore beneficiation using …Web
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Modeling and simulation of mechanical degradation of iron ore sinter in a complex transfer chute system using the discrete element model and a particle breakage model. 2023, Powder Technology. ... As soon as fired iron ore pellets suffer their first breakage event, fragments are created. During handling from the pelletizing plant to the ...Web
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The iron ore sintering is modeled and simulated based on heat and mass transfer. The cool rate and melt fraction could be used as an indicator to predict sinter …Web
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In the numerical simulation, carbon monoxide gas is used to fluidize iron ore powder particles. Because the density, viscosity, and other physical parameters of carbon monoxide at room temperature are very different from air, and to ensure the safety of the experiment, air is used to fluidize iron ore powder in physical simulation.Web
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Against the background of low global carbonization, blast furnace ironmaking technology with coking puts huge amounts of pressure on the global steel industry to save energy and reduce emissions due to its high pollution levels and high energy consumption. Bath smelting reduction technology is globally favored and studied by metallurgists as a …Web
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In recent years, the iron ore pellet has become a desirable feedstock for ironmaking furnaces all over the world due to the fact that the pellets have the advantages such as high iron content, uniform …Web
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The current study revisits the particle combustion modeling in the simulation of iron ore pellet indurator, which is the process to dry and fire the pellets as a pretreatment for blast furnace.Although the shrinking core model has been frequently used in the previous studies due to its simplicity, its limitation for the porous pellet should have been evaluated.Web
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Flash ironmaking technology is a technique that directly reduces in-flight iron ore particles (particle size <100 μm) using a gas reductant. It was developed as an alternative to traditional ironmaking technology with the aim of decreasing energy consumption and CO 2 emissions in the ironmaking process. During the flash ironmaking …Web
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With the objectives of reducing CO 2 emissions and applying hydrogen-enriched gas in the iron ore sintering process, a mathematical model was developed to simulate the natural gas (NG) injection in the sintering process.The accuracy of the model was verified via sinter pot tests. Additionally, an environmental assessment of CO 2 …Web
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As part of efforts to reduce anthropogenic CO2 emissions by the steelmaking industry, this study investigated the direct reduction of industrially produced hematite pellets with H2 using the Doehlert experimental design to evaluate the effect of pellet diameter (10.5–16.5 mm), porosity (0.36–0.44), and temperature (600–1200°C). A strong …Web
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1 Metal 7 Inc, 285, des Pionniers, CP 1590, G4R 4X9, Sept-Îles, QC, Canada 2 Minerai de Fer du Québec, 1100, Boul. René-Lévesque Ouest, Suite 610, Montréal, QC H3B 4N4, Canada * e-mail: agandrade@metal7 Received: 18 March 2022 Accepted: 5 May 2022 Abstract. The roller screening process is an important step in the iron ore …Web
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