| 摘要 |
A process for utilization of waste pile rock refuse of coal mines consists in the use of rock refuse, which is ground, homogenized immediately in the place of formation, mixed in certain ratio with the rock of other wastes. The waste pile rock is mixed with the preliminary neutralized chalk of other rock, for example, coal benefication waste storages, the surface layer is poured from this mixture and grass cultures are sown. |
