Investigation of iron ore particle size and shape on green pellet quality
Particle size and shape of iron ore concentrate are effective parameters in the production of quality green pellets. In this research, the effect of particle morphology on green pellet quality was studied. ... kaolin and manganese concentrate). Results are in creating the analytical relations (regression models) having enough high accuracy to ...
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Effects of Binder on the Properties of Iron Ore-Coal Composite Pellets
Iron ore-coal composite pellets were prepared by cold bonding. Various binders such as lime, Ca(OH)2, slaked lime, dextrose, molasses, and sodium polyacrylate (SPA), alone or in combination, were ...
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Effect of pellet basicity and MgO content on the quality and
The effect of pellet basicity and MgO content on the melt formation and microstructure during the induration of iron ore pellets was examined. Fired pellets with varying basicity (0 to 0.8) and MgO (0 and 1.5%) content were tested for cold strength, reduction degradation index, reducibility, swelling and softening–melting characteristics.
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Effect of gangue composition on reduction swelling of iron ore pellets
The results show that CaO deteriorated the reduction swelling of iron ore pellet, the swelling of iron ore pellet is controlled by adding additives containing MgO, and it is reversed with the ...
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(PDF) Introduction of manganese in pellet batch as a …
The effect of lime addition in hematite iron ore pellets on its physico-chemical as well as mechanical properties with respect to blast furnace requirement was studied in a laboratory scale with varying basicity i.e. 0-2.0.Increasing addition lime produced more calcium-alumino-silicate phases (slag) as evidenced by SEMEDAX analysis.
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effect of manganese on iron ore pellet quality
Effect mechanism of manganese on hydrogen based. Extensive studies on the reduction of iron ore pellets with hydrogen rich gases have shown that hydrogen inhibits the growth of iron whiskers [26] Meanwhile various gangue components have different influence mechanisms on the properties of iron ore pellets during the reduction process [27] The mechanisms by which SiO 2 …
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Study on Sintering Technology of Manganese Ore Fines
The results show that, compared with traditional sintering, the pellet-sintering process can significantly reduce the coke level while ensuring the quality of sinter.
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Iron Ore Pellets
Iron ore pellets are used in large proportion, which is continue to rise because of the lack of supply of high-quality lump ores. The term iron ore pellet refers to he thermally agglomerated material formed by heating a variable mixture of iron ore, limestone, olivine, bentonite, dolomite, and miscellaneous iron bearing materials in the range ...
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Effect of pellet size on pellet sintering process of manganese ore
DOI: 10.1007/s42243-024-01304-4 Corpus ID: 271986212; Effect of pellet size on pellet sintering process of manganese ore fines at natural basicity @article{Liu2024EffectOP, title={Effect of pellet size on pellet sintering process of manganese ore fines at natural basicity}, author={Wei Liu and Jian-Feng Pan and De-qing Zhu and Gen Li and Xiang He and Wuju …
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Effect of Sintering and Porosity Development on Direct …
The effect of lime and silica addition on the reducibility, of sintered iron ore and synthetic hematite pellets was investigated. The addition of lime and/or silica (up to about 10% total) to ...
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Jian PAN | Professor | PhD | Central South University, …
A brief introduction to recent developments in iron ore pelletizing is provided in this chapter, including the world output of fired pellets, pellet production processes, preparation of pellet ...
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Influence of Manganese Additions Upon Properties of Iron Ore Pellets
Publication Date: 1974: Personal Author: Schluter, R. B.; Carriere, B. W. Page Count: 23: Abstract: Because most iron ore produced in the United States is marketed as low-manganese pellets, this investigation was carried out to determine the effects of adding manganese in several forms to iron ore pellets during the balling process.
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Iron ore pelletization
A brief introduction to recent developments in iron ore pelletizing is provided in this chapter, including the world output of fired pellets, pellet production processes, preparation of pellet feed, inorganic and organic binders, and new additives. Throughout the chapter, the authors have used a difficult pellet feed, that is, a Brazilian specular hematite concentrate, as an …
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Some Correlation Between Physical and Metallurgical …
The quality of iron ore pellets is a parameter of importance and is determined by the properties of the pelletizing mixture and the conditions of heat and burning. The pellets are characterized by ...
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Application of Pellet Sintering in Manganese Ore Fines and …
When the amount of iron oxide increases in the manganese ore sintering system, the main bonding phases will transition to manganese iron spinel or iron-manganese oxide (Fe x Mn 3-x O 4). This also indicates that the content of iron oxide has a significant impact on the …
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Strengthening pelletization of manganese ore fines …
High quality roasted pellets with the compressive strength of 2711 N per pellet were manufactured through preheating at 1050 °C for 10 min and firing at 1335 °C for 15 min by controlling the ...
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Effect of manganese ore and basicity on the consolidation
The effect of manganese ore and calcium oxide on the compressive strength of nickel‑chromium‑manganese iron ore pellets was studied. The thermodynamics analysis and systematic process mineralogy were also conducted to reveal the phases transformation and microstructure evolution, and then further determine the related consolidation ...
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Effect of pellet size on pellet sintering process of manganese ore
Decreasing the viscosity of the liquid phase improves the liquid phase fluidity of the iron ore, and the effect of the SiO2 content of the iron ore on the mixed phase viscosity is greater than ...
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Effect of manganese ore and basicity on the consolidation
The preferable reduced nickel‑chromium‑manganese iron ore pellets can be prepared by reduction roasting at 1150 °C for 60 min with 1.0C/Fe, binary basicity of 0.30 and …
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Strengthening pelletization of manganese ore …
In this work, high pressure roll grinding (HPRG) process and optimization of temperature elevation system were investigated to improve the strength of fired manganese ore pellets.
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Application of pellet sintering in manganese ore fines …
46 manganese ore fines into agglomerate [13]. Therefore, the effect of sintering conditions on the 47 traditional manganese ore sintering behavior has been studied by many scholars. Ahmed A [14] 48 discovered that increasing the amount of manganese sintered ore in electric furnaces is beneficial in 49 reducing energy consumption and the ...
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Application of pellet sintering in manganese ore fines and its
This manuscript adopts the method of pellet-sintering to process manganese ore fines, and investigates the optimization of the sintering parameters for manganese ore fines, as …
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Improving properties of fluxed iron ore pellets with high …
With rapid development of the pellet production under the background of green development, high-quality iron concentrates were gradually exhausted; thus, using high-silica iron concentrates was expected to be a promising way to relieve resource pressure for pellet production. However, increasing the proportion of high-silica acid pellets into the furnace led to …
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Effect of manganese ore and basicity on the consolidation
Manganese ore and CaO were applied as additives to improve the consolidation characteristic of fired nickel‑chromium iron ore pellets. The thermodynamics analysis and …
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Physicochemical Aspects of Oxidative …
CCS testing indicated that the strength of roasted Fe-Mn ore pellets was observably lower than that of pure hematite or manganese ore pellets. Phase and morphology results showed that in Fe-Mn ore pellets, an Mn ferrite …
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Analysis of the Firing Effect on the Metallurgical Properties of Iron …
Abstract This article analyzes the works on optimization of the Kachkanar concentrate pellet technology. Three oxidized iron ore pellet technologies are considered. It is established that the quality of pellets can be improved by introducing pellet firing with partial hematite dissociation. The choice of the firing temperature of fluxed pellets containing …
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Effect of Reduced Flux Iron Ore Pellets on Removal of …
The present work represents a comparative study of impurity removal (sulfur, phosphorus, and carbon) from pig iron melt by the addition of lime powder and reduced fluxed iron ore pellets separately in a 5-kg-capacity induction melting furnace. Two types of reduced flux pellets (80% and 50%) of similar basicity (~3.06) were charged separately into the pool to …
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Effect of pellet size on pellet sintering process of manganese …
Therefore, pilot-scale sinter pot tests of pellet sintering with manganese ore fines of different particle sizes were conducted, and traditional sintering was compared to reveal the …
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Effect of manganese ore and basicity on the consolidation
Manganese ore and CaO were applied as additives to improve the consolidation characteristic of fired nickel‑chromium iron ore pellets. The thermodynamics analysis and systematic process mineralogy were also conducted to further determine the related strengthening mechanism.The results showed that compared with no manganese ore and …
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Application of Pellet Sintering in Manganese Ore Fines and …
Manganese has a wide range of applications, involving various aspects of human production and life. 1,2) For example, it is used to produce alloys in steel production, 3,4,5) MnO 2 and KMnO 4 are commonly used as deoxidizers in wet metallurgy, 6,7) and Manganese used as a raw material for ternary batteries. 8,9,10) With the depletion of manganese lump ore regarded …
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