
Solutions for solid-liquid separation: sludge dewatering, thickening, preliminary treatment and mobile rental plants

FILTECH Entwässerung AG
8280 Kreuzlingen (CH)New on Amplifa
About FILTECH
FILTECH Entwässerung AG is a plant supplier specialising in wastewater and sludge treatment, headquartered in Kreuzlingen, Switzerland. Together with its customers, the company develops solutions in the areas of sludge dewatering, sludge thickening, conveying technology for sludge and screenings, mechanical preliminary treatment, flocculant stations, screening technology, sludge screening, as well as digester tower and silo emptying. The offering comprises customised stationary plants for purchase, plug-and-play rental plants, as well as contract dewatering and service and maintenance services. The portfolio includes, among others, decanter centrifuges from Hiller, screw presses from IEA, FILTECH's own gravity belt tables, drum filters, screenings wash presses, sand washing plants and mobile pumping stations. Customers are municipal wastewater treatment plants as well as industrial sites in wastewater and sludge treatment; the website is bilingual (German/French).
- Site
- Kreuzlingen, Switzerland
- Processes
- Sludge dewatering (decanter centrifuges, screw presses, gravity belt tables, contract dewatering), Sludge thickening, Sludge and screenings conveying technology (incl. mobile rotary lobe pumps), Mechanical preliminary treatment (compact screens, screen plants, screenings wash presses, sand, Sludge screening / screening technology / drum filters, Digester tower and silo emptying, Flocculant stations (liquid and powder polymer handling), Mobile pumping stations
- Materials
- Sewage sludge / digested sludge, Polymers (flocculants, liquid and powder), Flocculant stations (liquid and powder polymers), Decanter centrifuges (Hiller), Screw presses (IEA), Gravity belt tables (FILTECH), Drum filters, Screenings wash presses and sand washing plants
- Founded
- 1985
- Employees
- 11–50
- Industries
- Municipal wastewater treatment plants/wastewater management, Industry (wastewater and sludge treatment)
- 01
Consulting and solution development
- 02
Engineering and plant construction
- 03
Rental of plug-and-play plants
- 04
Commissioning
- 05
Contract dewatering / operation
- 06
Service and maintenance
Technology and Processes
Flocculant stations (liquid and powder polymers)
FILTECH stations for the handling of liquid and powder polymers for sludge conditioning.
Decanter centrifuges (Hiller)
Mobile and stationary decanter centrifuges for the dewatering of digested and sewage sludge, among others in use at ARA Aarau, Lonza Visp and ARA Uster.
Screw presses (IEA)
Mobile screw presses for sludge dewatering as an alternative to the decanter.
Gravity belt tables (FILTECH)
FILTECH's own gravity belt tables for sludge thickening and dewatering, also available mobile.
Drum filters
Drum filters for screening technology and sludge screening.
Screenings wash presses and sand washing plants
Mechanical preliminary treatment with screenings wash presses, compact screens and sand washing plants.
Location
Kreuzlingen
CHHeadquarters
- Materials
- Sewage sludge, digested sludge, screenings, polymers
- Decanter centrifuges (Hiller)
- Screw presses (IEA)
- Gravity belt tables (FILTECH)
- Flocculant stations (FHM)
- Drum filters
- Compact screens (mobile)
- Rotary lobe pumps (mobile)
- Screenings wash presses
- Sand washing plants
- Mobile pumping stations
Plants and Equipment


Inside the production

Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Sludge dewatering (decanter centrifuges, screw presses, gravity belt tables, contract dewatering)Engineering | – | – | – | – | Digested sludge, Sewage sludge |
| Sludge thickeningEngineering | – | – | – | – | Sewage sludge |
| Sludge and screenings conveying technology (incl. mobile rotary lobe pumps)Engineering | – | – | – | – | Sludge, Screenings |
| Mechanical preliminary treatment (compact screens, screen plants, screenings wash presses, sandEngineering | – | – | – | – | Wastewater, Screenings, Sand |
| Sludge screening / screening technology / drum filtersEngineering | – | – | – | – | Sludge, Wastewater |
| Digester tower and silo emptyingEngineering | – | – | – | – | Digested sludge |
| Flocculant stations (liquid and powder polymer handling)Engineering | – | – | – | – | Polymers |
| Mobile pumping stationsEngineering | – | – | – | – | Wastewater |
| Plant construction (customised stationary plants, plug-and-play rental plants, service andEngineering | – | – | – | – | – |
11 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Decanter centrifuge | Hiller | – | – | – | Kreuzlingen (mobile and stationary plants, incl. ARA Aarau, Lonza Visp, ARA |
| Screw press | IEA | – | – | – | Kreuzlingen |
| Gravity belt table | FILTECH | – | – | – | Kreuzlingen |
| Flocculant station (FHM, liquid and powder polymers) | FILTECH | – | – | – | Kreuzlingen |
| Drum filter | – | – | – | – | – |
| Compact screen | – | – | – | – | Kreuzlingen (mobile) |
| Rotary lobe pump | – | – | – | – | Kreuzlingen (mobile) |
| Screenings wash press | – | – | – | – | – |
| Sand washing plant | – | – | – | – | – |
| Mobile pumping station | – | 20+ mobile | – | – | Europe-wide |
| Stationary plants (sludge dewatering/preliminary treatment) | – | 250+ | – | – | – |
Additional services
Reference customers
History
- 1985
Founding of the company; according to the website over 40 years of experience in wastewater and environmental technology.
- 2022
FILTECH Rohrreinigung AG belongs to iTS Kanalservices AG; FILTECH Entwässerung AG remains an independent business unit.
- 2026
Since 1 January 2026, Filtech Rohrreinigung has been operating as iTS Kanal Services AG.