Tsvetnye Metally, volume 2022, issue 7, pages 46-56
QUALITY ASSESSMENT OF NEEDLE COKE USED IN THE PRODUCTION OF GRAPHITE ELECTRODES FOR METALLURGICAL FURNACES
Publication type: Journal Article
Publication date: 2022-07-30
Materials Chemistry
Metals and Alloys
Surfaces, Coatings and Films
Ceramics and Composites
Physical and Theoretical Chemistry
Condensed Matter Physics
Abstract
Needle coke is a special kind of carbon material that has a developed anisotropic fibrous structure, high current conductivity in the fiber direction and low coefficient of linear thermal expansion. This material has found a wide application in steel industry where it is used for the production of graphite electrodes of the SHP (50–75 kA) and UHP (up to 100 kA) grades designed for high-power electric arc furnaces. This paper describes the results of assessing the quality of the needle coke that is commercially used at El 6 for the production of carbon and graphite products. The quality of the material was analyzed based on two groups of techniques: spectral analysis (SEM and optical microscopy, XRD, Raman spectroscopy) and analysis of physical and chemical properties (CTE, real density, sulfur, ash, moisture, electrical resistivity). A study and a comparative analysis were carried out using seven samples of calcined petroleum and pitch needle cokes. Six of them are used commercially (imported) and one was produced in laboratory conditions from Russian raw materials. The study confirmed that a better needle coke structure tends to form from petroleum coke versus pitch coke. Using the results of spectral analysis, the studied samples of needle cokes were classified into three groups based on their morphology and structure, which correlates with the results of the analysis that looked at their physical and chemical properties. The combination of research and data processing techniques presented in the paper ensures a comprehensive analysis of the studied needle coke and suggests that the material in view can be used in the production of graphite electrodes.
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iPolytech Journal
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iPolytech Journal
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Journal of the Electrochemical Society
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Molecular Simulation
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Citations by publishers
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Irkutsk National Research Technical University
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1 publication, 33.33%
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The Electrochemical Society
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1 publication, 33.33%
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Taylor & Francis
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Taylor & Francis
1 publication, 33.33%
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Gabdulkhakov R. R. et al. QUALITY ASSESSMENT OF NEEDLE COKE USED IN THE PRODUCTION OF GRAPHITE ELECTRODES FOR METALLURGICAL FURNACES // Tsvetnye Metally. 2022. Vol. 2022. No. 7. pp. 46-56.
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Gabdulkhakov R. R., Rudko V., Efimov I. I., Spektoruk A. A. QUALITY ASSESSMENT OF NEEDLE COKE USED IN THE PRODUCTION OF GRAPHITE ELECTRODES FOR METALLURGICAL FURNACES // Tsvetnye Metally. 2022. Vol. 2022. No. 7. pp. 46-56.
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TY - JOUR
DO - 10.17580/tsm.2022.07.05
UR - https://doi.org/10.17580%2Ftsm.2022.07.05
TI - QUALITY ASSESSMENT OF NEEDLE COKE USED IN THE PRODUCTION OF GRAPHITE ELECTRODES FOR METALLURGICAL FURNACES
T2 - Tsvetnye Metally
AU - Gabdulkhakov, R R
AU - Rudko, V.A.
AU - Efimov, I I
AU - Spektoruk, A A
PY - 2022
DA - 2022/07/30 00:00:00
PB - Ore & Metals Publishing House
SP - 46-56
IS - 7
VL - 2022
SN - 0372-2929
ER -
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@article{2022_Gabdulkhakov,
author = {R R Gabdulkhakov and V.A. Rudko and I I Efimov and A A Spektoruk},
title = {QUALITY ASSESSMENT OF NEEDLE COKE USED IN THE PRODUCTION OF GRAPHITE ELECTRODES FOR METALLURGICAL FURNACES},
journal = {Tsvetnye Metally},
year = {2022},
volume = {2022},
publisher = {Ore & Metals Publishing House},
month = {jul},
url = {https://doi.org/10.17580%2Ftsm.2022.07.05},
number = {7},
pages = {46--56},
doi = {10.17580/tsm.2022.07.05}
}
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Gabdulkhakov, R. R., et al. “QUALITY ASSESSMENT OF NEEDLE COKE USED IN THE PRODUCTION OF GRAPHITE ELECTRODES FOR METALLURGICAL FURNACES.” Tsvetnye Metally, vol. 2022, no. 7, Jul. 2022, pp. 46-56. https://doi.org/10.17580%2Ftsm.2022.07.05.