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Coal Gangue Composite Sand Machine In Nagercoil

1 Introduction Coal has been the primary energy source in China for decades The annual production of coal in China alone reached 38 billion tons in 2015 accounting for about 47 of global production For one ton of coal produced about 100150 kg of coal gangue is generated from coal excavation mining and washing processes Usually coal gangue is discharged on site occupying 150 km 2

Coal Gangue Composite Sand Machine In Nagercoil Advanced Service

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