From Chemistry Towards Technology Step-By-Step From Chemistry Towards Technology Step-By-Step От химии к технологии шаг за шагом 2782-1900 104794 10.52957/2782-1900-2025-6-3-134-141 Научные статьи Scientific articles Научные статьи Impact of thermo-oxidative treatment and heating on carbonisation yield in electrode-grade coal pitches Impact of thermo-oxidative treatment and heating on carbonisation yield in electrode-grade coal pitches Ковалев Родион Юрьевич Kovalev Rodion Yuryevich kovaleviuhm@yandex.ru

кандидат физико-математических наук;

candidate of physical and mathematical sciences;

 Никитин Андрей Павлович Nikitin Andrey Pavlovich

кандидат физико-математических наук;

candidate of physical and mathematical sciences;

 Федеральный исследовательский центр угля и углехимии СО РАН Россия The Federal Research Center of Coal and Coal-Chemistry of Siberian Branch of the Russian Academy of Sciences Russian Federation Федеральный исследовательский центр угля и углехимии СО РАН Кемерово Россия The Federal Research Center of Coal and Coal-Chemistry of Siberian Branch of the Russian Academy of Sciences Kemerovo Russian Federation 30 09 2025 30 09 2025 6 3 134 141 23 10 2024 12 09 2025 https://chemintech.ru/en/nauka/article/104794/view

The paper presents the results of the impact of thermal treatment of electrode pitch category B (JSC Evraz ZSMK, Russia) on the carbonisation yield. The effect of additives from thermo-oxidation products of electrode pitch category C (JSC Altai-Koks, Russia) on the carbonisation yield of electrode pitch category B has been established. The dependencies of the carbonisation yield on the heating temperature of electrode pitch category B were determined. The introduction of additives in the form of high-temperature and high-melting pitch into electrode pitch category B reduces the volatile matter yield and increases the carbonisation yield.

The paper presents the results of the impact of thermal treatment of electrode pitch category B (JSC Evraz ZSMK, Russia) on the carbonisation yield. The effect of additives from thermo-oxidation products of electrode pitch category C (JSC Altai-Koks, Russia) on the carbonisation yield of electrode pitch category B has been established. The dependencies of the carbonisation yield on the heating temperature of electrode pitch category B were determined. The introduction of additives in the form of high-temperature and high-melting pitch into electrode pitch category B reduces the volatile matter yield and increases the carbonisation yield.

 electrode pitch high-melting pitch thermo-oxidation volatile matter yield carbonisation yield electrode pitch high-melting pitch thermo-oxidation volatile matter yield carbonisation yield The study was performed using equipment from the Laboratory of Thermal Transformations of Coal, Federal State Budgetary Scientific Institution "Federal Research Center of Coal and Coal Chemistry of the Siberian Branch of the Russian Academy of Sciences" (Russia). The study was performed using equipment from the Laboratory of Thermal Transformations of Coal, Federal State Budgetary Scientific Institution "Federal Research Center of Coal and Coal Chemistry of the Siberian Branch of the Russian Academy of Sciences" (Russia).

Privalov V.E., Stepanenko M.A. Coal pitch. Moscow: Metallurgiya, 1981. 208 p. (in Russian). Privalov V.E., Stepanenko M.A. Coal pitch. Moscow: Metallurgiya, 1981. 208 p. (in Russian). Maltseva L.D., Gaisarov M.G., Mochalov V.V. Study of the properties of pitches and their group components. Koks i Khimiya [Coke and Chemistry], 1980, 8, 33-36 (in Russian). Maltseva L.D., Gaisarov M.G., Mochalov V.V. Study of the properties of pitches and their group components. Koks i Khimiya [Coke and Chemistry], 1980, 8, 33-36 (in Russian). Yurkevich Ya., Rosinskii S. Coal Chemistry. Moscow: Metallurgiya, 1973, 360 p. (in Russian). Yurkevich Ya., Rosinskii S. Coal Chemistry. Moscow: Metallurgiya, 1973, 360 p. (in Russian). Kekin N.A., Stepan A.A. On the data of chromatographic analysis and the composition of coal tar pitches. Koks i Khimiya [Coke and Chemistry], 1986, 1, 30-34 (in Russian). Kekin N.A., Stepan A.A. On the data of chromatographic analysis and the composition of coal tar pitches. Koks i Khimiya [Coke and Chemistry], 1986, 1, 30-34 (in Russian). Utkin Y.A., Yanko E.A., Soloveichik E.Y., Strakhov V.M. Assessing coal pitch as a binder in anode production. Coke and Chemistry, 2012, 55(9), 342-346. Utkin Y.A., Yanko E.A., Soloveichik E.Y., Strakhov V.M. Assessing coal pitch as a binder in anode production. Coke and Chemistry, 2012, 55(9), 342-346. Galiguzov A.A., Malakho A.P., Avdeev V.V., Rogozin A.D. Comparative characteristics of coal tar pitches: qualitative analysis, stability of properties during storage, and thermal stability. Izv. Vyssh. Uchebn. Zaved. Khim. Khim. Tekhnol. [Russian Journal of Chemistry and Chemical Technology], 2015, 5(12), 55-57 (in Russian). Galiguzov A.A., Malakho A.P., Avdeev V.V., Rogozin A.D. Comparative characteristics of coal tar pitches: qualitative analysis, stability of properties during storage, and thermal stability. Izv. Vyssh. Uchebn. Zaved. Khim. Khim. Tekhnol. [Russian Journal of Chemistry and Chemical Technology], 2015, 5(12), 55-57 (in Russian). Xiaojun L., Jian X., Yanqing L., Jie L., Zhao F., Yan S., Yexiang L. Effects of pitches modification on properties of TiB2-C composite cathodes. TMS Light Metals, 2009, 1, 1-5. Xiaojun L., Jian X., Yanqing L., Jie L., Zhao F., Yan S., Yexiang L. Effects of pitches modification on properties of TiB2-C composite cathodes. TMS Light Metals, 2009, 1, 1-5. Lü X.J., Xu J., Li J., Lai Y.Q., Liu Y.X. Thermal-treated pitches as binders for TiB2/C composite cathodes. Metall. Mater. Trans. A, 2012, 43(1), 219-227. Lü X.J., Xu J., Li J., Lai Y.Q., Liu Y.X. Thermal-treated pitches as binders for TiB2/C composite cathodes. Metall. Mater. Trans. A, 2012, 43(1), 219-227. Chistyakov A.N. Kinetics of thermal and thermo-oxidative transformation of coal tar pitch. Koks i Khimiya [Coke and Chemistry], 1978, 11, 38-40 (in Russian). Chistyakov A.N. Kinetics of thermal and thermo-oxidative transformation of coal tar pitch. Koks i Khimiya [Coke and Chemistry], 1978, 11, 38-40 (in Russian). Kovalev R.Yu., Nikitin A.P. Investigation of the influence of thermal treatment of electrode pitches on carbonization product yields. Chemistry for Sustainable Development, 2024, 32(6), 839-844. DOI: 10.15372/KhUR2024616. (in Russian). Kovalev R.Yu., Nikitin A.P. Investigation of the influence of thermal treatment of electrode pitches on carbonization product yields. Chemistry for Sustainable Development, 2024, 32(6), 839-844. DOI: 10.15372/KhUR2024616. (in Russian). Kovalev R.Yu., Naimushina T.M., Nikitin A.P. Thermal treatment of medium-temperature electrode coal tar pitches. Materials in External Fields: Proceedings of the XII International Online Symposium. Novokuznetsk: Publishing Center of SibSIU, 2024, pp. 88-90 (in Russian). Kovalev R.Yu., Naimushina T.M., Nikitin A.P. Thermal treatment of medium-temperature electrode coal tar pitches. Materials in External Fields: Proceedings of the XII International Online Symposium. Novokuznetsk: Publishing Center of SibSIU, 2024, pp. 88-90 (in Russian). Tolmacheva T.V., Berveno V.P., Grigoriev V.M. Relationship between the softening temperature of the mixture and components of coal tar binder pitch. Polzunov. Vestn. (Polzunov Bulletin), 2011, 4, 206-208 (in Russian). Tolmacheva T.V., Berveno V.P., Grigoriev V.M. Relationship between the softening temperature of the mixture and components of coal tar binder pitch. Polzunov. Vestn. (Polzunov Bulletin), 2011, 4, 206-208 (in Russian). Sidorov O.F. Process of thermal oxidation of coal tar pitches. Coke and Chemistry, 2002, 9, 35-43. Sidorov O.F. Process of thermal oxidation of coal tar pitches. Coke and Chemistry, 2002, 9, 35-43. Sidorov O.F. Modern ideas about the process of thermal oxidation of coal pitch. Part 3. Impact of oxidation conditions on the character of thermochemical transformations and structure of pitch. Koks i Khimiya [Coke and Chemistry], 2004, 6, 24-30 (in Russian). Sidorov O.F. Modern ideas about the process of thermal oxidation of coal pitch. Part 3. Impact of oxidation conditions on the character of thermochemical transformations and structure of pitch. Koks i Khimiya [Coke and Chemistry], 2004, 6, 24-30 (in Russian). Mochalov V.V. Structural features of coal tar electrode pitches. Raw Materials for Electrode Production: Collection of Scientific Papers. Moscow: NIIgrafit, 1986, pp. 5-19 (in Russian). Mochalov V.V. Structural features of coal tar electrode pitches. Raw Materials for Electrode Production: Collection of Scientific Papers. Moscow: NIIgrafit, 1986, pp. 5-19 (in Russian). Sidorov O.F., Seleznev A.N. Prospects for production and improvement of consumer properties of coal tar electrode pitches. Ross. Khim. Zh. (Russian Chemical Journal), 2006, l(1), 16-24 (in Russian). Sidorov O.F., Seleznev A.N. Prospects for production and improvement of consumer properties of coal tar electrode pitches. Ross. Khim. Zh. (Russian Chemical Journal), 2006, l(1), 16-24 (in Russian). Kovalev R.Yu., Gavriljuk O.M., Nikitin A.P., Ismagilov Z.R. Thermal Oxidation of Electrode Coal Pitch. Coke Chem., 2023, 66(7), 351-354. DOI: 10.3103/S1068364X23700941. Kovalev R.Yu., Gavriljuk O.M., Nikitin A.P., Ismagilov Z.R. Thermal Oxidation of Electrode Coal Pitch. Coke Chem., 2023, 66(7), 351-354. DOI: 10.3103/S1068364X23700941. Kovalev R.Yu., Gavrilyuk O.M. Optimizatsiya tekhnologii polucheniya vysokotemperaturnogo peka. Innovatsionnyi konvent "Kuzbass: obrazovanie, nauka, innovatsii": Materialy XII Innovatsionnogo konventa. Kemerovo: Kemerovskii gosudarstvennyi universitet, 2024, 356-357 (in Russian). Kovalev R.Yu., Gavrilyuk O.M. Optimizatsiya tekhnologii polucheniya vysokotemperaturnogo peka. Innovatsionnyi konvent "Kuzbass: obrazovanie, nauka, innovatsii": Materialy XII Innovatsionnogo konventa. Kemerovo: Kemerovskii gosudarstvennyi universitet, 2024, 356-357 (in Russian). Kovalev R.Yu. Study of the heat treatment effect of medium-temperature electrode pitch on carbonisate yield. From Chemistry Towards Technology Step-by-Step, 2024, 5(4), 113-120. DOI: 10.52957/2782-1900-2024-5-4-35-42. Kovalev R.Yu. Study of the heat treatment effect of medium-temperature electrode pitch on carbonisate yield. From Chemistry Towards Technology Step-by-Step, 2024, 5(4), 113-120. DOI: 10.52957/2782-1900-2024-5-4-35-42. Kovalev R.Yu. Comparative analysis of fractional composition of pitches obtained from coal tar depending on production technology. Bulletin of TvSU. Series: Chemistry, 2024, 4(58), 147-158. DOI: 10.26456/vtchem2024.4.15 (in Russian). Kovalev R.Yu. Comparative analysis of fractional composition of pitches obtained from coal tar depending on production technology. Bulletin of TvSU. Series: Chemistry, 2024, 4(58), 147-158. DOI: 10.26456/vtchem2024.4.15 (in Russian). Kovalev R.Yu., Naimushina T.M. Thermal treatment of electrode pitch. Materials in External Fields: Proceedings of the XII International Online Symposium. Novokuznetsk: Publishing Center of SibSIU, 2024, pp. 92-94 (in Russian). Kovalev R.Yu., Naimushina T.M. Thermal treatment of electrode pitch. Materials in External Fields: Proceedings of the XII International Online Symposium. Novokuznetsk: Publishing Center of SibSIU, 2024, pp. 92-94 (in Russian). Yuan G., Xue Z., Cui Z., Westwood A., Dong Z., Cong Y., Zhang J., Zhu H., Li X. Constructing the bridge from isotropic to anisotropic pitches for preparing pitch-based carbon fibers with tunable structures and properties. ACS Omega, 2020, 5(34), 21948-21960. DOI: 10.1021/acsomega.0c03226. Yuan G., Xue Z., Cui Z., Westwood A., Dong Z., Cong Y., Zhang J., Zhu H., Li X. Constructing the bridge from isotropic to anisotropic pitches for preparing pitch-based carbon fibers with tunable structures and properties. ACS Omega, 2020, 5(34), 21948-21960. DOI: 10.1021/acsomega.0c03226. Gaisarov M.G., Maltsev L.D., Mochalov V.V. On the nature of the α1-fraction of pitch and its effect on the quality of carbonaceous products. Koks i himiya [Coke and chemistry]. 1981. Vol. 10, pp. 37-39 (in Russian). Gaisarov M.G., Maltsev L.D., Mochalov V.V. On the nature of the α1-fraction of pitch and its effect on the quality of carbonaceous products. Koks i himiya [Coke and chemistry]. 1981. Vol. 10, pp. 37-39 (in Russian). Twigg A.N. Relationship between chemical structure and secondary quinoline insoluble for-mation in electrode binder pitches. Fuel, 1987, 66(11), 1540-1543. DOI: 10.1016/0016-2361(87)90015-9. Twigg A.N. Relationship between chemical structure and secondary quinoline insoluble for-mation in electrode binder pitches. Fuel, 1987, 66(11), 1540-1543. DOI: 10.1016/0016-2361(87)90015-9. Kumari K., Rani S., Kumar P., Prakash S., Dhakate S.R., Kumari S. Study of mesophase pitch based carbon fibers: Structural changes as a function of anisotropic content. J. Anal. Appl. Pyrolysis, 2023, 171, 105961. DOI: 10.1016/j.jaap.2023.105961. Kumari K., Rani S., Kumar P., Prakash S., Dhakate S.R., Kumari S. Study of mesophase pitch based carbon fibers: Structural changes as a function of anisotropic content. J. Anal. Appl. Pyrolysis, 2023, 171, 105961. DOI: 10.1016/j.jaap.2023.105961. Li L., Lin X., Zhang Y., Dai J., Xu D., Wang Y. Characteristics of the mesophase and needle coke derived from the blended coal tar and biomass tar pitch. J. Anal. Appl. Pyrolysis, 2020, 150, 104889. DOI: 10.1016/j.jaap.2020.104889. Li L., Lin X., Zhang Y., Dai J., Xu D., Wang Y. Characteristics of the mesophase and needle coke derived from the blended coal tar and biomass tar pitch. J. Anal. Appl. Pyrolysis, 2020, 150, 104889. DOI: 10.1016/j.jaap.2020.104889. Cheng X., Zha Q., Zhong J., Yang X. Needle coke formation derived from co-carbonization of ethylene tar pitch and polystyrene. Fuel, 2009, 88(11), 2188-2192. DOI: 10.1016/j.fuel.2009.05.006. Cheng X., Zha Q., Zhong J., Yang X. Needle coke formation derived from co-carbonization of ethylene tar pitch and polystyrene. Fuel, 2009, 88(11), 2188-2192. DOI: 10.1016/j.fuel.2009.05.006. Svitilova J., Machovic V., Kolar F. 9,10-bis(chlormethyl)anthracene-curing agent of coal tar pitch. Acta Geodyn. Geomater., 2006, 3(2), 57-62. Svitilova J., Machovic V., Kolar F. 9,10-bis(chlormethyl)anthracene-curing agent of coal tar pitch. Acta Geodyn. Geomater., 2006, 3(2), 57-62. Montes-Morán M.A., Crespo J.L., Young R.J., Garcıa R., Moinelo S.R. Mesophase from a coal tar pitch: a Raman spectroscopy study. Fuel Process. Technol., 2002, 77, 207-212. DOI: 10.1016/S0378-3820(02)00079-6. Montes-Morán M.A., Crespo J.L., Young R.J., Garcıa R., Moinelo S.R. Mesophase from a coal tar pitch: a Raman spectroscopy study. Fuel Process. Technol., 2002, 77, 207-212. DOI: 10.1016/S0378-3820(02)00079-6.