WAMGROUP: DUSTFIX® for Slag Dust Conditioning in Landfill

The DUSTFIX® Dust Conditioner was developed to condition industrial dust in an economical manner, considerably simplifying handling and disposal operations. Innovative SINTTM engineering polymer components make the DUSTFIX® Conditioner suitable for continuous duty. In a particularly short mixing time, throughput rates ranging from 20 to 80 m³/h are achieved.


The reactor landfill in Teuftal, near the Swiss capital, Bern, has to recycle industrial dusts and slag from incineration plants before the residual material can be worked into the surrounding soil. For this continuous process, in 2005 the company purchased a DUSTFIX® 40 Dust Conditioner.


Slag dust is fed from a silo through a rotary valve and then conditioned inside the DUSTFIX® using water. Prior to being blended and compressed together with the soil, a downstream belt conveyor transports the conditioned material to an intermediate outdoor storage. The initially available empty volume of the landfill for conditioned slag dust amounted to approximately one million cubic metres. When in 2012 the capacity for the treatment of recycled slag had become insufficient, a second silo with another DUSTFIX® was put into operation.

Continuous trouble-free operation made the DUSTFIX® for this customer the most economical, yet eco-friendly solution.

The WAM MAP Division specialises in:
Continuous and batch mixers, dust conditioners and granulators, ploughshare mixers, shovel tool mixers, ribbon blenders, twin shaft paddle mixers, conical screw mixers, laboratory mixers, continuous mixers for mortars or plasters, conditioners and granulators for ceramic or foundry dust, propellers for pneumatic conveying systems for dry building materials.

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Horizontal Single Shaft Mixers

Ribbon Blenders

Twin Shaft Paddle Mixers

Dust Conditioners

Laboratory Mixers

Conical Screw Mixers

Mortar Mixers



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