supersort^®

The Process

The Process

What is bottom ash?

Bottom ash is the largest residue fraction after incineration municipal solid waste (MSWI) and it mainly consists of minerals, glass and ceramics, but it also contains 1-3% non-ferrous metals and 5-15% scrap iron. A Swiss person produces approximately 100 kg of bottom ash per year.

Process

Liberation of metals
Recovering ferrous elements
Grading by sieving-machine
Removing organics
Recovering non-ferrous metals
Purifying non-ferrous metals
Disposal of metal free bottom ash at the «Häuli» landfill

Results

Scrap iron
Light non-ferrous metals (Aluminium, Titan, Magnesium, …)
Heavy non-ferrous metals (Copper, Brass, Lead, Silver, Gold, …)
Stainless steel
Cu-Fe (electromotors, «Meatballs»)
Metal free MSWI bottom ash

Benefits

For the society

Long-term conservation of resources and raw materials
Less pollution of water, land and natural habitats near surface-mines
Saving CO2 emissions
Shorter transport distances of materials

For the disposal contractor

Saves space in landfills
Lower disposal fees for Shredder residue
Affordable alternative to conventional disposal
Optimised disposal logistics
state-of-the-art technology

For the customer

Products from supersort^®metal with a metal content of > 98%
Continuous high product quality
Efficient and flexible logistics