Residue - KWR

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...

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...

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...

Arsenic removal to <1 µg/L with advanced oxidation-coagulation-filtration (AOCF)

Arsenic is one of the most poisonous substances on earth. Nevertheless, millions of people worldwide are exposed to...

‘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...

Power-to-Protein: pilot (phase 2)

The supply of sufficient food, energy and water present huge challenges worldwide – among the causes are global...

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...

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...

Industry, wastewater & reuse

KWR conducts research into the treatment of wastewater and the reuse of the water, resources and energy it...

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...

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...

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...

Kees Roest PhD BSc

Kees Roest has worked at KWR since 2008 and was among the pioneers in KWR’s wastewater research. On...

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...

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.

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...

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.

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...

IWA – KWR Collaboratory on Resource Recovery

The quest for a circular economy is becoming an increasingly important underlying principle in government policy. Resource recovery...

Tessa van den Brand PhD MSc

Tessa van den Brand has worked as a scientific researcher at KWR since 2010 and is now one...

Allied Waters

Allied Waters is a public-private partnership (PPP) dedicated to commercialising game-changing innovations in the watercycle with the aim...

‘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...

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...