Module D for ‘clean sand’ production Module D from the PST line has processed its first material. Module D is designed to ensure that the mineral fraction genuinely consists as much as possible of sand (mineral material). Carbon provides an indication of the non-mineral content of the material. This quantity must be less than eight per cent in the end product of the module (and hence of the factory). The clean end product is suitable for several specific applications, such as backfilling in worked out mines.. In this way, part of the car material is re-used. Read more >> |  |