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This study investigated the combustion properties of coal gangue (CG) from the Gongwusu coal mine in northern China. Three CG samples collected from various parts of the spontaneous combustion gangue dump were evaluated using a proximate analyzer, thermogravimetry, and Fourier transform infrared spectroscopy. The results revealed that the total mass losses of the three samples were 15.5%, 30.3%, and...
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