An Improved Method for Evaluating the Chemical Activity of Coal in Determining Its Tendency to Spontaneous Ignition

DOKUCHAEVA, A. I.; Malinnikova, O. N.; PALKIN, A. B.

doi:10.15372/csd2022405

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Thermogravimetric Analysis Of Dust Samples1

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2024

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“…To identify the characteristics of thermal destruction processes in the studied samples of mine dust, the method of thermogravimetric analysis was used [7][8][9][10]. The result of thermogravimetric analysis is TG -curves (thermograms) -the dependence of the mass m (or change in mass) of the test sample on temperature or time.…”

Section: Thermogravimetric Analysis Of Dust Samplesmentioning

confidence: 99%

The influence of the mine dust mineral composition on the characteristics of thermal destruction processes

Blokhin,

Dokuchaeva,

Zakorshmennyi

et al. 2024

J. Phys.: Conf. Ser.

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The article describes the results of comprehensive laboratory tests of mine dust samples taken from active mine faces in the Kuznetsk coal basin (Kemerovo region, Russia). The purpose of the experiments is to study the characteristics of thermal destruction processes in mine dust depending on its mineral composition. Based on the results of electron microscopy, the mineral composition of the dust samples under study was determined, and the quantitative relationships of the mineral phases composing the sample were assessed. Using thermogravimetric analysis the lower limits of thermal destruction intervals were established for samples of mine dust with different compositions and percentages of mineral inclusions. The practical significance of the results obtained is substantiated.

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Section: Thermogravimetric Analysis Of Dust Samplesmentioning

confidence: 99%