Process for creating backfill and / or fill building materials for underground potash and / or salt mining

摘要

Solids from industrial recycling processes, such as plastics, heavy metals and glass materials, are mixed with a second gp. of materials contg. free alkali, e.g. fuel ash, to which can be added salt waste from salt mines or similar salt-contg. residues or waste from other mining operations. The material can be used constructivally, with additional binders if required, for underground filling and supports. ADVANTAGE - Contaminated waste can be disposed of