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role of dolomite in pelletization of iron ore fines

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Effect of limestone and dolomite flux on the quality of

Feb 01, 2021· For the preparation of pellet feed material, the goethetic-hematite iron ore fines were thoroughly mixed with the additives: limestone, dolomite, and anthracite coal as per the plan of experiment. It should be noted that in the pelletization of goethetic-hematite ore, there is no need to use any binding material as the ore itself acts as a self

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(PDF) Evolution of the flux combination for pelletization

Oct 07, 2013· [Show full abstract] effect of limestone and dolomite as flux material in pelletization of an Indian goethetic-hematite iron ore with 59.75% Fe, 4.52% SiO2, 3.84% Al2O3, and 4.85% LOI. As per

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PELLETISATION Metal Bulletin

Pelletisation is a process of agglomeration of super fine iron ore into a heat hardened spherical ball of sizes 9 to 16 hydrated lime, coke fines, dolomite, etc. This process is physically developed to utilize the blue dust generated during the mining of hematite ore which could not be directly used in Pelletization is the only answer

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EFFECT OF SIZE DISTRIBUTION AND WATER CONTENT ON

1.2 Definition of Pelletization Pelletisation of iron ore fines involves formation of spherical shaped iron ore fines, limestone, dolomite, binders such as bentonite, other additives and coke/coal powder. 1.3 Pelletisation: Advantages The iron ore pellets formed exhibit the following superior properties:

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Pelletization of iron ores and the type of wear liners

Dec 11, 2016· The “pellets” or “Iron ore pellets” is actually a spherical uniform form of iron ore fines mixed with some ingredients like Dolomite, Bentonite, limestone and coke breeze which are later introduce in a furnace to get high quality iron or steel later. 3 Coal fines/coke Iron ore fines

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Effect of limestone and dolomite flux on the quality of

Feb 01, 2021· For the preparation of pellet feed material, the goethetic-hematite iron ore fines were thoroughly mixed with the additives: limestone, dolomite, and anthracite coal as per the plan of experiment. It should be noted that in the pelletization of goethetic-hematite ore, there is no need to use any binding material as the ore itself acts as a self

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Effect of limestone and dolomite flux on the quality of

For the effective utilization of low-grade iron ore resources (59–62% Fe) with high loss of ignition (LOI), mineralogical characteristics play the vital role to improve the process efficiency. The present work illustrates the effect of limestone and dolomite as flux material in pelletization of an Indian goethetic-hematite iron ore with 59.75

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Usage of High-LOI Iron Ore Fines in Pellet Making

Jun 08, 2019· Raw materials like iron ore fines (high and low LOI) limestone, dolomite, coke breeze, mixed ore and bentonite were used for the laboratory as well as pilot-scale pelletization studies. Tables 1 and 2 show the chemical analysis of the raw materials and size distribution of ground material of iron ore fines, respectively.

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EFFECT OF SIZE DISTRIBUTION AND WATER CONTENT ON

1.2 Definition of Pelletization Pelletisation of iron ore fines involves formation of spherical shaped iron ore fines, limestone, dolomite, binders such as bentonite, other additives and coke/coal powder. 1.3 Pelletisation: Advantages The iron ore pellets formed exhibit the following superior properties:

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PELLETISATION Metal Bulletin

Pelletisation is a process of agglomeration of super fine iron ore into a heat hardened spherical ball of sizes 9 to 16 hydrated lime, coke fines, dolomite, etc. This process is physically developed to utilize the blue dust generated during the mining of hematite ore which could not be directly used in Pelletization is the only answer

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Optimization of Dolomite Usage in Iron Ore Sintering

Ore-A was limonite ore from Australia, Ore-B was hematite ore from Brazil, Ore-C was blending ore from a Chinese steel mill. Table 1 shows the chemical composition of the fluxes and ores used in this study. Table 2 shows particle size of dolomite comparing with other fluxes in the sinter pot tests. In addition, 3 different particle size

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(PDF) Iron Ore Pelletizing Process: An Overview

Oct 06, 2017· The iron ore pelletizing process consists of three main steps: 1. Pelletizing feed preparation and mixing: the raw material (iron ore concentrate, additives. — anthracite, dolomite

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Evolution of the flux combination for pelletization of

During mining of iron ore, huge amount of fines is being generated which needs to be pelletized to use them in blast furnace for iron making process. Pellet quality plays a vital role in decreasing coke rate and increasing the blast furnace productivity.

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Role of MgO and Its Different Minerals on Properties of

Oct 31, 2015· At present various naturally available minerals containing MgO viz. olivine, pyroxenite, dunite, dolomite etc. are widely used in different plants to reduce RDI of iron ore pellets and improve other properties. However, properties of each of the above fluxes are physically and chemically different and they contain different types and quantities of gangue materials, such as silica, alumina

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Effect of additives concentration on pelletization of high

Jan 01, 2020· The proportion of additive plays comparatively important role in a pelletization process starting from green pellet to fired pellet and then up to pellet reduction. The iron ore fines (Fe: 64% and LOI: 2.86%), anthracite coal, bentonite and limestone are taken as the pellet feed material. The aim of the present work is to investigate the effect

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A Study on Removal of Clay Minerals from Barbil Region

Aug 31, 2020· The iron-ore fines (bulk sample) of −10mm size fraction shown in Fig. 1 were collected from a mine in Barbil region, Keonjhar, Odisha for conducting the scrubbing and pelletization study. The detailed mineralogical, physical, and chemical characterization studies by optical microscopy, X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR) and field emission scanning

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(PDF) Iron ore pelletization ResearchGate

The processed ores, or concentrate, are in the form of a very fine powder that is physically unsuitable for using in the blast furnace and must be agglomerated by a pelletizing process. Iron ore

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Evolution of the flux combination for pelletization of

During mining of iron ore, huge amount of fines is being generated which needs to be pelletized to use them in blast furnace for iron making process. Pellet quality plays a vital role in decreasing coke rate and increasing the blast furnace productivity.

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Improved Reduction Kinetics of Low Grade Iron Ore Pellet

Tata Steel Slide IRON ORE –SCENERIO IN INDIA TSL Board 3 Day by day high-grade iron ores are fast depleted fines and low-grade iron ores, which are not utilised earlier, now they can be utilised by up gradation. Upgraded concentrates can be used as charge materials for pelletization. The present scenario of iron ore reserves stated that out of total 28.53 BT

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