Tag page

Residue

Projects

Enabling technologies
Innovative water treatment technologies
Arsenic removal

Arsenic is one of the most poisonous substances on earth. Nevertheless, millions of people worldwide are exposed to it via their drinking water. In this project we are researching the possibility of removing arsenic to <1 μg…

Read more about Arsenic removal
Sustainability
Sustainable resources
Power-to-Protein: pilot (phase 2)

The supply of sufficient food, energy and water present huge challenges worldwide – among the causes are global population growth and the impact of climate change on crops. There is no obvious universal solution. Rather, what will…

Read more about Power-to-Protein: pilot (phase 2)
Sustainability
Sustainable resources
Improvement potential of residuals from WML drinking water production

The drinking water production process at Limburg Water Distribution Company (WML) results in a variety of residuals: liquid aquafer, lime pellets, back-wash water, (iron) lime sludge and filter…

Read more about Improvement potential of residuals from WML drinking water production
Sustainability
Sustainable energy
Sustainable watercycle and geothermal energy at Lelystad Airport

At the beginning of 2015 the Airport Decree was ratified for Lelystad Airport, providing official authorisation for the airport’s expansion. Since the new work will take place on…

Read more about Sustainable watercycle and geothermal energy at Lelystad Airport
Enabling technologies
Innovative water treatment technologies
Multi-Source, Single-Stage, Full-Stream RO

The objective is a tested Multi-Source, Full-Stream RO concept, with minimal pre- and post-treatment (single stage), which uses flexible water sources and produces water of impeccable quality. The concept is researched in…

Read more about Multi-Source, Single-Stage, Full-Stream RO
Sustainability
Sustainable resources
Application of granular ferric (hydr)oxide for arsenic and phosphorus removal

The production of drinking water generates iron sludge as a residual. The iron sludge contains ferric (hydr)oxides, which are able to adsorb substances such as arsenic and phosphorus.…

Read more about Application of granular ferric (hydr)oxide for arsenic and phosphorus removal
Sustainability
Sustainable resources
Power-to-Protein: desk study (phase 1)

The supply of sufficient food, energy and water present huge challenges worldwide. There is no obvious universal solution. Rather, what will be needed are local, situation-oriented tailored solutions, based in part on…

Read more about Power-to-Protein: desk study (phase 1)
Sustainability
Sustainable resources
High-value reuse of lime pellets from drinking water production

About half of the drinking water in the Netherlands is softened in pellet reactors. This technology generates a residual in the form of lime pellets, which consist of…

Read more about High-value reuse of lime pellets from drinking water production
Sustainability
Sustainable resources
Removing H2S from biogas using granular iron(hydr)oxide

Aquafer is a sludge consisting of ferric oxide/ferric hydroxide, which is a residual of drinking water treatment processes. Reststoffenunie (now AquaMinerals) looks after the disposals of the aquafer…

Read more about Removing H2S from biogas using granular iron(hydr)oxide
Sustainability
Sustainable resources
Production and application of granular aquafer

Every year in the Netherlands about 95,000 tons of aquafer is generated (62,000 tons of liquid aquafer and 33,000 tons of dewatered aquafer). Reststoffenunie (now AquaMinerals) disposes of this water company residual…

Read more about Production and application of granular aquafer
Sustainability
Sustainable resources
IWA – KWR Collaboratory on Resource Recovery

The quest for a circular economy is becoming an increasingly important underlying principle in government policy. Resource recovery in the watercycle has a contribution to make: the recovery and useful application of…

Read more about IWA – KWR Collaboratory on Resource Recovery

All projects ()

Experts

Kees Roest PhD BSc
Senior scientific researcher Programme coordinator TKI Water technology
view profile
Kees Roest PhD BSc

Senior scientific researcher Programme coordinator TKI Water technology

Kees Roest has worked at KWR since 2008 and was among the pioneers in KWR’s wastewater research. On the Energy and Circular Systems team, he works on sustainable transitions, with...

030-6069531

06-53197741

view profile
Tessa van den Brand PhD MSc
Scientific researcher Quality coordinator
view profile
Tessa van den Brand PhD MSc

Scientific researcher Quality coordinator

Tessa van den Brand has worked as a scientific researcher at KWR since 2010 and is now one of the first members of the new Energy and Circular Systems team.

030-6069629

view profile

News

News

Turning Wastewater into a Resource

15 June 2020 — A team of European researchers and engineers initiated the ULTIMATE project to turn wastewater into a resource. This…

Read more about Turning Wastewater into a Resource
News

Collaboration on resource recovery solutions for circular economy

20 December 2017 — On 15 December, Jaya Ratnam, Ambassador of Singapore, and Henk Snoeken, Deputy Director of International Affairs of the…

Read more about Collaboration on resource recovery solutions for circular economy
News

UPcycles: a second life for residuals from the water sector

02 November 2017 — At the Amsterdam International Water Week KWR, AquaMinerals and Allied Waters signed an ‘Amsterdam agreement’ on the new…

Read more about UPcycles: a second life for residuals from the water sector
News

‘The future of the water economy is circular’

30 March 2017 — ‘There is nothing in the urban watercycle that is negotiable. Water is a matter of quality and safety…

Read more about ‘The future of the water economy is circular’
News

Metals in the watercycle: insight and opportunities

15 November 2016 — Is it possible to recover (scarce) metals in an economically responsible manner from the watercycle – from drinking…

Read more about Metals in the watercycle: insight and opportunities
News

Key Takeaways from ARREAU Struvite Recovery & Recycling Learning Alliance Workshop

03 July 2016 — The ARREAU Struvite Recovery & Recycling Learning Alliance workshop took place in Amersfoort on the 16th of June…

Read more about Key Takeaways from ARREAU Struvite Recovery & Recycling Learning Alliance Workshop
Article

‘Boer Bier Water’ wins 2015 ZLTO Initiative Award

11 December 2015 — The farmers and growers in the municipality of Laarbeek, together with brewers Bavaria, have uniquely combined their strengths…

Read more about ‘Boer Bier Water’ wins 2015 ZLTO Initiative Award
Article

Reststoffenunie, Waternet and partners win IWA-KWR Award

31 August 2015 — In 2015, chainpartners Reststoffenunie, Waternet, Ardagh Glass and Desso won the prestigious biennial IWA-KWR Award for Best Practice…

Read more about Reststoffenunie, Waternet and partners win IWA-KWR Award