Contributing to a more sustainable and resilient future by
Helping industries with today’s water management challenges
With over 6000 water treatment references in various industries, NSI is your experienced partner.
Food & beverage
Water is a critical resource in the food and beverage market, where increasingly demanding environmental requirements have given rise to new technologies and working practices to create a more sustainable way of operating food and beverage plants.
- Industrial
- Industrial
Cedrob Wastewater and Biogas Plant
Ujazdówek (near Ciechanów), Poland
- Industrial
Sharp’s Brewery Wastewater Treatment Plant
Rock, Cornwall, United Kingdom
- Industrial
Searious Fish Leather Tanning Project
Beetgumermolen, The Netherlands
- Industrial
VINNYTSIA Poultry farm – turning factory wastewater into clean effluent
Ladyzhyn, Ukraine
Our global impact
>6000
references
>2000
colleagues
>140
countries
>2000
mobile assets
Discover our different types of solutions
We provide a unique portfolio of smart game-changing solutions in sustainable water use, energy and resource recovery combined with our services for a sustainable and resilient future.
- Industrial
Demineralized Water Treatment
- Process water
- Industrial water
At Nijhuis Saur Industries (NSI), part of Saur Group, we deliver high-performance demineralized water treatment solutions for industrial steam and heat systems. From boiler feedwater (...)
- Municipal
- Industrial
Digital solutions
- PFAS
- Micropollutants
- Wastewater
- Drinking water
- Source water
- Rainwater
- Resource Recovery
- Sludge
- Process water
- Industrial water
In today’s rapidly evolving technological landscape, digital solutions are essential for optimizing water management processes. At Saur, we leverage advanced digital tools and (...)
- Industrial
- Municipal
Water consultancy services
- PFAS
- Micropollutants
- Process water
- Drinking water
- Industrial water
- Wastewater
- Rainwater
- Source water
- Resource Recovery
- Sludge
If you are reviewing your (waste)water management strategy and treatment objectives, you may run into several questions. To meet sustainability targets, optimize or debottleneck (...)
- Industrial
- Municipal
Biogas treatment
- Wastewater
- Resource Recovery
- Industrial water
- Sludge
Where organic material is anaerobically degraded, biogas will be produced. In order to utilize this biogas, it needs the right quality, pressure and humidity. H2S is a specific (...)
- Municipal
- Industrial
Digestate treatment
- Industrial water
- Resource Recovery
- Sludge
- Wastewater
At Nijhuis Saur Industries (NSI), part of Saur Group, we help agricultural, municipal and industrial clients turn digestate from biogas plants into valuable resources. Our tailored (...)
- Industrial
- Municipal
Sludge treatment
- Sludge
Efficient sludge treatment is essential for sustainable and cost-effective wastewater treatment.
At Nijhuis Saur Industries, part of Saur Group, we offer advanced technologies (...)
- Industrial
- Municipal
Membrane filtration
- Process water
- Industrial water
- PFAS
- Micropollutants
- Wastewater
- Drinking water
- Source water
- Rainwater
At Nijhuis Saur Industries (NSI), part of Saur Group, we deliver membrane filtration solutions that drive water reuse, resource recovery, and environmental compliance. Our membrane (...)
- Industrial
- Municipal
Aerobic treatment
- Industrial water
- Wastewater
Aerobic biological treatment is a process that uses oxygen and microorganisms to remove COD and BOD, breaking down organic pollutants present in the wastewater into simpler, non-harmful (...)
- Industrial
- Municipal
Anaerobic wastewater treatment
- Industrial water
- Resource Recovery
Anaerobic wastewater treatment is a very effective and sustainable way of removing biodegradable organic compounds (COD/BOD) from wastewater without using oxygen. As the organic (...)
- Municipal
- Industrial
Filter and screening systems
- Wastewater
- Drinking water
- Industrial water
Filter and screening systems remove large particles from surface water and wastewater. By capturing debris early, they prevent pipe blockages and protect your equipment, helping (...)
- Industrial
- Municipal
Coagulation & Flocculation
- Industrial water
- Process water
- Drinking water
- Wastewater
Our coagulation and flocculation solutions are engineered to support efficient solid-liquid separation across industrial and municipal applications.
- Municipal
- Industrial
Dissolved Air Flotation solutions (DAF)
- Drinking water
- Wastewater
- Industrial water
- PFAS
Our DAF systems are engineered to provide high removal efficiency, operational flexibility, and reliable performance under varying conditions.
Keep your business flowing - go mobile
Going mobile is an ideal solution – be it emergencies, planned projects (commissioning, refurbishment, or maintenance), or even multi-tear periods requiring treated water supply. Our Mobile Water Solutions are ready to address your unique water needs with agile and effective solutions.
The Future is Water
NSI news – WWTP Enschede test site for purification technologies in the UPPWATER program
Original article in Dutch, by H2O in collaboration with Water Alliance, can be found here!
Click here to read more regarding the project at WWTP Enschede!
The wastewater treatment (...)
03.07.2025
NSI news – PRESS RELEASE: Mobile Water Solutions Launches Breakthrough Mobile Unit to Tackle Water Scarcity with Speed and Flexibility
Doetinchem, the Netherlands, June 1st, 2025-Mobile Water Solutions, part of Nijhuis Saur Industries, announced the launch of the SWRO 50C, a high-performance, containerized sea water (...)
25.06.2025
