Processing of industrial by-products and waste into raw materials for cement, steel, chemicals and agriculture
FERRO DUO GmbH
Duisburg Plant 1 · Duisburg Plant 3 · Münster · Piombino · Edmond, Oklahoma · BirminghamNew on Amplifa
About Ferro Duo
FERRO DUO GmbH, based in Duisburg, is a service provider and raw material manufacturer for the circular economy. The company accepts industrial and by-products as well as waste products and processes them into saleable raw materials, in particular ferrous sulfate, ferrous chloride, iron oxides, slags, ashes, aluminum oxide and magnesium sulfate. Its services include toll granulation on granulation discs, toll drying in drum dryers, mixing and sieving, toll filling and silo packing in big bags, warehouse and silo storage as well as waste disposal and processing. Core industries are the cement and steel industries, the chemical industry, the fertilizer and animal feed industries, agriculture, water management and biogas. With locations and cooperation partners in Germany, Italy, Spain, the USA and China, Ferro Duo also supports its customers in optimizing their CO₂ footprint and decarbonization.
- Site
- Duisburg
- Processes
- Toll granulation (granulation discs, incl. control sieving and analysis), Toll drying (drum dryers, incl. control sieving and analysis), Storage (warehouse storage, silo storage), Toll filling/silo packing (big bags), Mixing/sieving (mixing/sieving systems), Waste disposal and processing, Toll drying (drum dryers), Storage (warehouses and silos)
- Materials
- Iron sulfate (iron(II) sulfate), Iron chloride (iron(II) chloride), Ashes (fly ash), Slags (blast furnace slag, pig iron ladle slag, converter slag, ladle slag), Aluminum oxide, Iron oxide, Magnesium sulfate (kieserite/Epsom salt), Steel mill dusts and sludges
- Certificates
- Control sieving and analysis for toll orders, CO₂ footprint consulting
- Industries
- Cement industry, Steel industry, Chemical industry, Fertilizer industry, Animal feed industry, Agriculture
- 01
Acceptance of industrial and by-products or waste
- 02
Toll granulation (granulation discs)
- 03
Toll drying (drum dryers)
- 04
Mixing/sieving
- 05
Storage (warehouse and silo)
- 06
Toll filling/silo packing (big bags)
- 07
Logistics and delivery
Products and Processes
Iron(II) sulfate
For chromate reduction in cement, as a feed additive, fertilizer, precipitation agent in water management and biogas.
Iron(II) chloride
Precipitation agent for water treatment and biogas, by-product of steel pickling and titanium dioxide production.
Ashes (fly ash)
Additive in cement production for clinker substitution and CO₂ reduction.
Slags (blast furnace slag, converter slag, ladle slag)
Additives for the cement, concrete and construction industries as well as fertilizers.
Aluminum oxide
Raw meal additive for cement clinker and melting point reduction in mineral wool.
Iron oxide
Corrective material in the cement industry and iron ore substitute in pig iron production.
Magnesium sulfate (kieserite/Epsom salt)
Secondary nutrient fertilizer for agriculture and horticulture.
Locations
Duisburg Plant 1
DEHead office, toll granulation, storage, toll filling/silo packing, mixing/sieving, waste disposal
- Materials
- powdery waste and by-products, bulk materials
- Granulation discs
- Mixing/sieving system
- Warehouses
- Silos
Duisburg Plant 3
DEToll drying, storage, toll filling/silo packing, waste disposal
- Materials
- Bulk materials
- 2 drum dryers (12×2.2 m and 6×1.8 m)
- 5 warehouses (6,000 m², approx. 18,000 m³)
- Silos (1,500 m³)
- Loading and unloading zones
Münster
DEHead Office / Administration
Piombino
ITFerro Duo Italia s.r.l. – toll granulation, storage, toll filling/silo packing, mixing/sieving
- Materials
- powdery waste and by-products, bulk materials
- Granulation discs
- Mixing/sieving system
Edmond, Oklahoma
USFerro Duo US Inc. – administration
Birmingham
GBFerro Duo UK Ltd. – administration
Products and Applications
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Toll granulation (granulation discs, incl. control sieving and analysis)Processing | – | – | – | – | powdery waste and by-products |
| Toll drying (drum dryers, incl. control sieving and analysis)Processing | – | – | – | – | Bulk materials |
| Storage (warehouse storage, silo storage)Logistics | – | – | – | – | Bulk materials |
| Toll filling/silo packing (big bags)Logistics | – | – | – | – | Bulk materials |
| Mixing/sieving (mixing/sieving systems)Processing | – | – | – | – | Bulk materials |
| Waste disposal and processingRecycling | – | – | – | – | Waste, industrial by-products |
| Recycling | – | – | – | – | Bypass dust, Granulated blast furnace slag, calcined clays, concrete recycling material, blast furnace gas sludge, mill scale, grinding sludges, electric steel mill dusts, oxygen steel mill dusts, rare earths, red gypsum, magnesium sulfate, iron sulfate, sewage sludge |
6 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Granulation disc | – | – | – | – | Duisburg Plant 1; Piombino |
| Drum dryer | – | 2 | each 12×2.2 m and 6×1.8 m | – | Duisburg Plant 3 (outer harbor) |
| Mixing/sieving system | – | – | – | – | Duisburg Plant 1; Piombino |
| Warehouses | – | 5 | 6,000 m² covered storage area, approx. 18,000 m³ storage volume, insulated and closed | – | Duisburg Plant 3 (outer harbor) |
| Silos | – | – | Total volume 1500 m³ | – | Duisburg |
| SCM platform (plant for CO₂-reduced construction materials) | – | 1 | planned capacity: several hundred thousand tonnes annually | – | Duisburg |
Additional services
Quality and Sustainability
The products are manufactured locally and in Germany to ensure high quality standards. Toll work includes control sieving and analysis according to customer specifications.
| Evidence | Duisburg Plant 1 | Duisburg Plant 3 | Piombino |
|---|---|---|---|
| Control sieving and analysis for toll orders | |||
| CO₂ footprint consulting |
History
- 2024
Participation in the EURO-TITAN project (2024–2027): recovery of decarbonized titanium from aluminum oxide and titanium production residues; also part of the EIT raw materials project ScaVanger.
- 2026
Start of construction of an industrial SCM site for CO₂-reduced construction materials in Duisburg with private equity partner Lafayette Mittelstand Capital; investment in the tens of millions range, planned capacity of several hundred thousand tonnes annually, commissioning in 2027.