Influence of Volatiles from Tuva Coal on Its Temperature Characteristics in Combustion: Thermogravimetric and IR Spectroscopic Analysis : научное издание

Mongush G.R.; Patrakov Yu. F.; Zhuikov A.V.

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База данных: Каталог библиотеки СФУ

Библиографическое описание: Influence of Volatiles from Tuva Coal on Its Temperature Characteristics in Combustion: Thermogravimetric and IR Spectroscopic Analysis : научное издание / G. R. Mongush, Yu. F. Patrakov, A. V. Zhuikov. - Текст : непосредственный // Coke and Chemistry. - 2025. - Т. 68, № 8. - P. 713-720. - This work was conducted within the framework of the research project on resource-saving processes for profound processing of coal and overburden and industrial wastes at Tuva Institute for the Exploration of Natural Resources, Siberian Branch, Russian Academy of Sciences. No additional grants to carry out or direct this particular research were obtained. - ISSN 1068-364X. - ISSN 1934-8398, DOI 10.3103/S1068364X25600940.

Аннотация: The influence of volatiles in Tuva coal (of ranks GZh and Zh) on its temperature characteristics in combustion is investigated by synchronous thermal analysis (thermogravimetric analysis and differential scanning calorimetry) and infrared (IR) spectroscopy. The yield of volatiles is greater for Kaa-Khem FZh coal (47.5%) than for Mezhegey Zh coal (36.4%), on account of differences in their coalification and elemental composition. Pyrolysis at 600–900°C leads to the formation of more thermostable carbon materials with a lower yield of volatiles (<10%). Thermogravimetric analysis reveals inverse proportionality of the yield of volatiles and the ignition temperature. The reactivity is greatest for samples obtained at 600°C (ignition temperature up to 480–500°C), whereas carbonizates obtained at 900°C have high thermal stability (ignition temperature up to 640°C). IR spectroscopy confirms the destruction of oxygen-bearing and aliphatic groups on pyrolysis, with the formation of condensed aromatic structures. The results of this research may be applied to equipment used to generate thermal energy and also employed in switching to alternative fuels.

Год издания: 2025

Авторы: Mongush G.R. , Patrakov Yu. F. , Zhuikov A.V.

Издательство: Pleiades Publishing, Ltd. (Плеадес Паблишинг, Лтд)

Источник: Coke and Chemistry

Выпуск: Т. 68, № 8

Номера страниц: 713-720

Держатель оригинала документа: Siberian Federal University, Tuva Institute for the Exploration of Natural Resources, Siberian Branch, Russian Academy of Sciences

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Influence of Volatiles from Tuva Coal on Its Temperature Characteristics in Combustion: Thermogravimetric and IR Spectroscopic Analysis : научное издание
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