Bukti Korespondensi: Thermal behaviour and microanalysis of coal subbituminus

Heriyanti, Heriyanti and Prendika, W and Ashyar, Rayandra and Sutrisno, Sutrisno (2018) Bukti Korespondensi: Thermal behaviour and microanalysis of coal subbituminus. Universitas Jambi. (Unpublished)

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Differential scanning calorimetry (DSC) and X-ray powder diffraction (XRD) is used to study the thermal behaviour of sub-bituminous coal. The DSC experiment was performed in air atmosphere up to 125 °C at a heating rate of 25 °C min1. The DSC curve showed that the distinct transitional stages in the coal samples studied. Thermal heating temperature intervals, peak and dissociation energy of the coal samples were also determined. The XRD analysis was used to evaluate the diffraction pattern and crystal structure of the compounds in the coal sample at various temperatures (25-350 °C). The XRD analysis of various temperatures obtained compounds from the coal sample, dominated by quartz (SiO2) and corundum (Al2O3). The increase in temperature of the thermal treatment showed a better crystal formation.

Type: Other
Subjects: Q Science > QD Chemistry
Divisions: Fakultas Sains dan Teknologi > Kimia
Depositing User: Sutrisno
Date Deposited: 06 Jun 2023 01:17
Last Modified: 06 Jun 2023 01:17
URI: https://repository.unja.ac.id/id/eprint/49436

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