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Dmitriev, Andrey N.; Solomakhin, A. V.; Kashin, V. V.; Verushkin, V. V.

doi:10.1023/a:1024982325310

Cited by 11 publications

(5 citation statements)

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“…Additionally, when the carbon content is 9.6%, the yield of sinter was the highest (77.6%). Dmitriev et al 126 also showed that sintered product with Dzhezdinsk and Polynochnyi ore has the highest strength when the coke content is 9 wt %. Han et al 127 also discussed the effect of carbon content and basicity on the performance of sinters, and it was concluded that the optimal binary basicity ( ) should be 0.7.…”

Section: Application Of Biocarbon In Ore Sintering Processmentioning

confidence: 98%

Metallurgical Properties of Biocarbon in Ferroalloy Production─A Review

Han,

Tangstad

2024

ACS Omega

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The significant volume of CO 2 emissions contributes to global warming, which has drawn substantial attention. Metallurgical processes contribute to around 30% of these emissions, with ferroalloy smelting alone equivalent to the collective mean CO 2 emissions from 11.8 million people. Biocarbon emerges as a promising substitute for fossil reductants, and its research and industrial application have the potential to significantly curtail emissions on a relatively short time scale. As a result, extensive research has been conducted on biobased carbon materials and their practical utilization in metal production processes. In this review, an overview of the methodologies employed to assess the CO 2 reactivity, electrical conductivity, reactivity toward slag and SiO, and mechanical strength is illustrated. The impact of characterizations on its behavior within furnaces is concluded. Furthermore, the ongoing efforts to substitute traditional fuels with these environmentally friendly materials in the sintering process are introduced. The metallurgical properties of biocarbon are closely related to its chemical composition and physical characteristics, such as porosity, surface area, and internal structure. It has higher CO 2 reactivity, lower electrical conductivity, higher SiO reactivity, and lower mechanical strength than conventional coke. Some of the drawbacks can be addressed through techniques such as densification, pyrolysis, carbonization, and agglomeration, effectively mitigating these limitations. Additionally, the current application situation on sintering has demonstrated that the substitution of specific coke amounts with biobased reductants in the ore agglomeration process can save energy. The incorporation of biocarbon in metallurgy is a feasible and potential way to reduce CO 2 emissions, and this work deserves a valuable and significant endeavor.

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Section: Application Of Biocarbon In Ore Sintering Processmentioning

confidence: 98%

Metallurgical Properties of Biocarbon in Ferroalloy Production─A Review

Han,

Tangstad

2024

ACS Omega

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“…It is interesting to note that manganese ore sintering requires a greater amount of fuel than iron ore sintering. Thus, for the high silicate manganese ore (30.67 wt.% MnO total, 2.73 wt.% Fe and 29.50 wt.% SiO2) this amount should be 9.0 wt.% [27], and for the sintering of Guizhou manganese concentrates (Mn 33.44 wt.% and Fe 5.99 wt.%) and Yunnan manganese ores (Mn 31.86 wt.% and Fe 5.91 wt.%) the amount of coke breeze should be 11-12 wt.% [28,29].…”

Section: Introductionmentioning

confidence: 99%

Manganese Sinter Production with Wood Biomass Application

Kieush

Boyko

Koveria

et al. 2020

KEM

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A large amount of finely dispersed manganese ore left after benefication operations or blown out from the furnaces is unsuitable for direct use in electric furnaces and blast furnaces, therefore it is necessary to granulate it in order to have the efficient use of its fine ore particles in metallurgy. To make our research more of practical use, we found it is reasonable not only work over manganese fines sintering but also to attempt mitigating the negative effect on the environment produced by the further sintering and apply the biofuel within the total fuel mass. Under laboratory conditions, the studies have been carried out with the objective to obtain manganese sinter, in which wood biomass is applied, namely initial and pre-pyrolyzed, at temperatures of 673, 873, 1073 and 1273 K. The amount of biofuel in the sinter blend was 25 wt.%. It has been established that the biomass use causes the decrease in the specific capacity of the sintering plant. However, for the efficient manganese ores sintering process, the biofuel of high pyrolysis temperature of 1273 K is required. To achieve the specific capacity and the yield to be as high as those when coke breeze is only used, the amount of the biofuel for manganese ore sintering should be less than 25 wt.% of the solid fuel. Additionally, it has been revealed that the further increase in the biofuel ratio in the total fuel amount is possible on condition that its reactivity is decreased, or larger particles of the biofuel are used.

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“…A study in Russia dealt with production of manganese sinter from FeSiMn slag and manganese concentrates produced from low grade manganese ores with a particle size of 0-2 mm. The final manganese sinter which contained 32.3 % Mn tot and 28.3 % SiO 2 was added as a part of the charge in the production of FeSiMn [20]. laboratory sintering pan (LSP) ( Fig.…”

Section: Introductionmentioning

confidence: 99%

STUDY OF PROPERTIES OF Mn ORE FINES AND POSSIBILITIES THEIR UTILIZATION IN THE PRODUCTION OF FeSiMn

Semanova¹,

Legemza²

2015

Acta Metall Slovaca

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This article deals with the analysis of the physical and chemical properties of undersize samples of Mn ore from the mine Buzim in Bosnia and Herzegovina, comparing individual samples, followed by the production of Mn sinter and analysis of the Mn sinter. Mn ore fines are formed in different steps of Mn ores processing. These fines can not be directly put into the ferroalloy furnace. The most suitable way of Mn ore fines processing is sintering and the article deals with this method of processing. On each sample of Mn ore from Bosnia and Herzegovina marked Mn ore 1, Mn ore 2 and Mn ore 3 have been performed the analysis of physical and chemical properties. The results showed that the granulometry of the samples affects their chemical composition. On the sample of Mn ore 1 was performed an experimental laboratory sintering, in which succeeded to produce an Mn sinter. The Mn sinter is suitable for further use in the production of FeSiMn, in terms of low phosphorus content and suitable phase composition, but the Mn sinter had also a high content of SiO 2 , which adversely affect the granulometry and strenght of the sinter.

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Cited by 11 publications

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Metallurgical Properties of Biocarbon in Ferroalloy Production─A Review

Metallurgical Properties of Biocarbon in Ferroalloy Production─A Review

Manganese Sinter Production with Wood Biomass Application

STUDY OF PROPERTIES OF Mn ORE FINES AND POSSIBILITIES THEIR UTILIZATION IN THE PRODUCTION OF FeSiMn

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