Contact us

Contributing to a more sustainable and resilient future by

Reducing
Removing
Reusing
Recovering
Discover

Helping industries with today’s water management challenges

With over 6000 water treatment references in all kinds of industries, NSI is your experienced partner.

Discover all our references

Food & beverage

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque eget ex in eros bibendum eleifend convallis non enim. Integer viverra dapibus nisi ut ultricies. Donec est eros, fermentum sit amet gravida ut, bibendum at felis. Suspendisse potenti.

See more
  • Fish processing
  • Fish processing
  • Fish processing
  • Fish processing

Our impact

>6000
references
>1800
colleagues
>140
countries
>2000
mobile assets

Discover our solutions

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam diam ipsum, egestas ac leo in, volutpat sagittis est. Phasellus malesuada, massa nec lobortis eleifend.

See all solutions
  • Food & Beverage
  • Pulp & Paper
  • Energy
  • Semiconductor industry
  • Mining and minerals

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 (...)
  • Industrial
  • Municipal
Talk with our expert
Contact
  • Mining and minerals
  • Energy
  • Semiconductor industry
  • Pulp & Paper
  • Pharma & personal care
  • Fish processing
  • Food & Beverage

Water consultancy services

  • Process water
  • Industrial water
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

Your challenges (...)
  • Energy
  • Food & Beverage

Digestate treatment

  • Industrial water
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 (...)
  • Food & Beverage
  • Fish processing
  • Pulp & Paper
  • Pharma & personal care
  • Semiconductor industry
  • Mining and minerals

Sludge treatment

  • Wastewater
  • Resource Recovery
  • Sludge
  • Industrial water
Efficient sludge treatment is essential for sustainable and cost-effective wastewater treatment. At Nijhuis Saur Industries, part of Saur Group, we offer advanced technologies (...)
  • Mining and minerals
  • Energy
  • Semiconductor industry
  • Pulp & Paper
  • Pharma & personal care
  • Fish processing
  • Food & Beverage

Membrane filtration

  • Process water
  • Industrial water
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 (...)
  • Mining and minerals
  • Energy
  • Semiconductor industry
  • Pulp & Paper
  • Pharma & personal care
  • Fish processing
  • Food & Beverage

Aerobic treatment

  • Industrial water
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 (...)
  • Pulp & Paper
  • Fish processing
  • Food & Beverage

Anaerobic treatment

  • Industrial water
Your challenges (...)
  • Industrial

Filter and screening systems

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Suspendisse varius enim in eros elementum tristique. Duis cursus, mi quis viverra ornare, eros dolor interdum nulla.
  • Industrial

Gravity separators

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Suspendisse varius enim in eros elementum tristique. Duis cursus, mi quis viverra ornare, eros dolor interdum nulla.
France| Switherland
  • Mining and minerals
  • Energy
  • Semiconductor industry
  • Pulp & Paper
  • Pharma & personal care
  • Fish processing
  • Food & Beverage

Coagulation & Flocculation

  • Industrial water
  • Process water
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Suspendisse varius enim in eros elementum tristique. Duis cursus, mi quis viverra ornare, eros dolor interdum nulla.
  • Industrial

Dissolved Air Flotation solutions (DAF)

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 emergenciesplanned projects (commissioning, refurbishment, or maintenance), or even multi-tear periods requiring treated water supply. Our NSI Mobile Water Solutions are ready to address your unique water needs with agile and effective solutions.

Discover NSI Mobile Water Solutions

Discover our latest NSI NEWS

Our latest press releases, stories and news

Go to NSI NEWS
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

Join Nijhuis Saur Industries and be a part of Mission Water