Standard

Effect of graphite on hot metal desulphurisation. / Schrama, Frank; Beunder, Elisabeth M.; Visser, Hessel-Jan; Boom, Rob; Sietsma, Jilt; Yang, Yongxiang.

Proceedings of METEC & 4th ESTAD. Düsseldorf : VDeH Verlag Stahleisen, 2019. P308.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

Harvard

Schrama, F, Beunder, EM, Visser, H-J, Boom, R, Sietsma, J & Yang, Y 2019, Effect of graphite on hot metal desulphurisation. in Proceedings of METEC & 4th ESTAD., P308, VDeH Verlag Stahleisen, Düsseldorf, METEC & 4th ESTAD, Düsseldorf, Germany, 24/06/19.

APA

Schrama, F., Beunder, E. M., Visser, H-J., Boom, R., Sietsma, J., & Yang, Y. (2019). Effect of graphite on hot metal desulphurisation. In Proceedings of METEC & 4th ESTAD [P308] Düsseldorf: VDeH Verlag Stahleisen.

Vancouver

Schrama F, Beunder EM, Visser H-J, Boom R, Sietsma J, Yang Y. Effect of graphite on hot metal desulphurisation. In Proceedings of METEC & 4th ESTAD. Düsseldorf: VDeH Verlag Stahleisen. 2019. P308

Author

Schrama, Frank ; Beunder, Elisabeth M. ; Visser, Hessel-Jan ; Boom, Rob ; Sietsma, Jilt ; Yang, Yongxiang. / Effect of graphite on hot metal desulphurisation. Proceedings of METEC & 4th ESTAD. Düsseldorf : VDeH Verlag Stahleisen, 2019.

BibTeX

@inproceedings{d72961b83c5c4e88bd8a3c3a110fc9a1,
title = "Effect of graphite on hot metal desulphurisation",
abstract = "During the magnesium-lime co-injection process for hot metal desulphurisation, graphite can precipitate as a result of carbon oversaturation. The formed graphite is known to form a layer between the slag and the hot metal. This potentially blocks the sulphides, that are formed during the desulphurisation process, to reach the slag phase thus hampering the desulphurisation efficiency. In this research it was aimed to obtain experimental evidence for the postulated hampering effect of graphite on the hot metal desulphurisation efficiency at an industrial process. In 2018 at Tata Steel in IJmuiden, the Netherlands, the carbon concentration in the hot metal was measured after the reagent injection, instead of being calculated assuming carbon saturation of the hot metal. This provides the opportunity to predict graphite formation during the process. Although a correlation is found between graphite formation and specific magnesium consumption, which is a measure for desulphurisation efficiency, the effect could not be directly proven, as too many other parameters could have influenced the desulphurisation process. Data analysis does show that the observed correlation could not be attributed to temperature and initial sulphur concentration of the hot metal, which are the two most important factors for the desulphurisation efficiency. The observed correlation between graphite formation and desulphurisation efficiency is significant at low initial sulphur concentrations (<225 ppm) and insignificant at high initial sulphur concentrations (>225 ppm). Key Words Hot metal desulphurisation, magnesium consumption, graphite precipitation, kish",
keywords = "Hot Metal Desulphurisation, magnesium consumption, graphite precipitation, kish",
author = "Frank Schrama and Beunder, {Elisabeth M.} and Hessel-Jan Visser and Rob Boom and Jilt Sietsma and Yongxiang Yang",
year = "2019",
month = "6",
day = "25",
language = "English",
booktitle = "Proceedings of METEC & 4th ESTAD",
publisher = "VDeH Verlag Stahleisen",

}

RIS

TY - GEN

T1 - Effect of graphite on hot metal desulphurisation

AU - Schrama, Frank

AU - Beunder, Elisabeth M.

AU - Visser, Hessel-Jan

AU - Boom, Rob

AU - Sietsma, Jilt

AU - Yang, Yongxiang

PY - 2019/6/25

Y1 - 2019/6/25

N2 - During the magnesium-lime co-injection process for hot metal desulphurisation, graphite can precipitate as a result of carbon oversaturation. The formed graphite is known to form a layer between the slag and the hot metal. This potentially blocks the sulphides, that are formed during the desulphurisation process, to reach the slag phase thus hampering the desulphurisation efficiency. In this research it was aimed to obtain experimental evidence for the postulated hampering effect of graphite on the hot metal desulphurisation efficiency at an industrial process. In 2018 at Tata Steel in IJmuiden, the Netherlands, the carbon concentration in the hot metal was measured after the reagent injection, instead of being calculated assuming carbon saturation of the hot metal. This provides the opportunity to predict graphite formation during the process. Although a correlation is found between graphite formation and specific magnesium consumption, which is a measure for desulphurisation efficiency, the effect could not be directly proven, as too many other parameters could have influenced the desulphurisation process. Data analysis does show that the observed correlation could not be attributed to temperature and initial sulphur concentration of the hot metal, which are the two most important factors for the desulphurisation efficiency. The observed correlation between graphite formation and desulphurisation efficiency is significant at low initial sulphur concentrations (<225 ppm) and insignificant at high initial sulphur concentrations (>225 ppm). Key Words Hot metal desulphurisation, magnesium consumption, graphite precipitation, kish

AB - During the magnesium-lime co-injection process for hot metal desulphurisation, graphite can precipitate as a result of carbon oversaturation. The formed graphite is known to form a layer between the slag and the hot metal. This potentially blocks the sulphides, that are formed during the desulphurisation process, to reach the slag phase thus hampering the desulphurisation efficiency. In this research it was aimed to obtain experimental evidence for the postulated hampering effect of graphite on the hot metal desulphurisation efficiency at an industrial process. In 2018 at Tata Steel in IJmuiden, the Netherlands, the carbon concentration in the hot metal was measured after the reagent injection, instead of being calculated assuming carbon saturation of the hot metal. This provides the opportunity to predict graphite formation during the process. Although a correlation is found between graphite formation and specific magnesium consumption, which is a measure for desulphurisation efficiency, the effect could not be directly proven, as too many other parameters could have influenced the desulphurisation process. Data analysis does show that the observed correlation could not be attributed to temperature and initial sulphur concentration of the hot metal, which are the two most important factors for the desulphurisation efficiency. The observed correlation between graphite formation and desulphurisation efficiency is significant at low initial sulphur concentrations (<225 ppm) and insignificant at high initial sulphur concentrations (>225 ppm). Key Words Hot metal desulphurisation, magnesium consumption, graphite precipitation, kish

KW - Hot Metal Desulphurisation

KW - magnesium consumption

KW - graphite precipitation

KW - kish

M3 - Conference contribution

BT - Proceedings of METEC & 4th ESTAD

PB - VDeH Verlag Stahleisen

CY - Düsseldorf

ER -

ID: 68327036