Plant engineering for water treatment, wastewater treatment and sewage sludge utilisation in the municipal sector
ELIQUO KGSTULZ GmbH
Nellingen (Alb), GermanyNew on Amplifa
About ELIQUO KGSTULZ
ELIQUO KGSTULZ GmbH, headquartered in Nellingen (Alb), is a German plant manufacturer for sustainable water and wastewater treatment as well as sewage sludge utilisation in the municipal sector. Its portfolio of services covers mechanical and electrical detailed engineering, automation, installation, commissioning and service. The company manufactures and constructs complex drinking water treatment plants for public clients, municipal wastewater treatment plants, and sewage sludge treatment facilities from digestion to energy-optimised drying. In addition, the company equips municipal stormwater retention basins and flood protection facilities. Its project portfolio includes the successful completion of mechanical and electrical engineering projects at the Sinzig wastewater treatment plant for the Untere Ahr wastewater association. As part of the ELIQUO WATER GROUP, the company also offers the ELOVAC® technology for vacuum degassing of digested sludge, a process in use at wastewater treatment plants worldwide.
- Site
- Nellingen (Alb)
- Processes
- Plant engineering for water/wastewater treatment (mechanical and electrical detailed engineering), Automation, Installation and commissioning, Service, Apparatus engineering, Mechanical and electrical detailed engineering, Installation, Commissioning
- Materials
- ELOVAC® – Vacuum degassing of digested sludge, Sewage sludge treatment
- Industries
- Municipal water and wastewater management, Drinking water treatment, Sewage sludge utilisation, Environmental technology / plant engineering
- 01
Mechanical and electrical detailed engineering
- 02
Automation
- 03
Installation
- 04
Commissioning
- 05
Service
Processes and Technologies
ELOVAC® – Vacuum degassing of digested sludge
Technology of the ELIQUO WATER GROUP for vacuum degassing of digested sludge, in use at wastewater treatment plants worldwide for ten years.
Sewage sludge treatment
Complete solutions for sludge treatment from efficient digestion to energy-optimised drying.
Locations
Nellingen (Alb)
DEHeadquarters / Site
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Plant engineering for water/wastewater treatment (mechanical and electrical detailed engineering)Engineering | – | – | – | – | – |
| AutomationEngineering | – | – | – | – | – |
| Installation and commissioningAssembly | – | – | – | – | – |
| ServiceEngineering | – | – | – | – | – |
| Apparatus engineeringAssembly | – | – | – | – | – |
Additional services
Reference customers
History
- 2025
Part of the HOHOHO.work initiative for recruiting skilled workers in the Waldshut district
- 2025
Awarded “Premium Partner Education 2025” by the SKZ site in Horb
- 2025
Successful project completion at the Sinzig wastewater treatment plant for the Untere Ahr wastewater association
- 2026
ELIQUO WATER GROUP celebrates 10 years of ELOVAC® (vacuum degassing of digested sludge)
- 2026
Martin Stulz steps down from the management board effective 31.01.2026