pros about coal gangue mining in india
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pros about coal gangue mining in india

May 10, 2021 Coal gangue is a by-product generated during the coal mining operations. It is a granular material with grain size varying from 0.075 to 20 mm. While its potential as a fill material in retaining structures has been established by previous researchers, the alterations in grain size over a period due to disintegration caused by weathering have ...

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