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Reuse

Projects

Sustainability
Sustainable resources
Aarhus ReWater

The municipality of Aarhus (Denmark), because its population is growing annually by 5000 people, faces the challenge of both creating a cleaner harbour and bay and increasing the capacity of wastewater treatment plants. The current wastewater treatment…

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Enabling technologies
Innovative water treatment technologies
Wiser with Metal

This practical study investigates how much aquafer can be reprocessed into iron powder of a known quality. If pure enough, the iron powder can be used for a range of high-grade applications, including as a carrier material…

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Sustainability
Sustainable use of freshwater resources
Reduction of pressure on groundwater through reuse of water from dairy plants in agriculture

Groundwater in the Netherlands is under pressure, both in terms of quantity and quality. Groundwater is used in several activities, including drinking water production, agriculture and industry. In…

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Enabling technologies
Hydroinformatics
Water Mining

Securing enough and safe water is a crucial challenge for water management today. This situation calls for innovative water management solutions and alternative water resources. The EU-funded WATER-MINING project will demonstrate innovative next-generation water resource solutions in…

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Biological activity
Reuse of activated carbon for the removal of organic micropollutants

The use of personal care products, dietary supplements and medicines is constantly increasing. This is partly due to the ageing, and growing, population. A large fraction of personal…

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Health
Safe innovation and the water sector
B-WaterSmart

In the Horizon 2020 project B-WaterSmart funded by the European Commission, KWR collaborates with 36 partners (research institutes, water utilities, technology provides, SME) to accelerate the transformation to a water-smart economy and society in European coastal regions,…

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Sustainability
Sustainable energy
ULTIMATE

KWR coordinates the EC funded ULTIMATE project, working closely with 27 project partners (research institutes, utilities and SMEs). ULTIMATE is a project on water smart industrial symbiosis, and demonstrates, at 9 large scale sites across Europe, enabling…

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Sustainability
Sustainable use of freshwater resources
Stand-alone decentralised drinking water provision in outlying areas

In remote areas it is sometimes too costly or technically too complicated to connect homes to the central drinking water distribution system. Within this project an evaluation framework…

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Society
Citizen science and public participation
Radical new sources of drinking water

The drinking water provision in the Netherlands makes use of fresh groundwater and fresh surface water as its principal sources. After the water’s intake or abstraction, it is used to produce drinking…

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Sustainability
Sustainable use of freshwater resources
Reuse of industrial residual water to meet agricultural water needs

Agricultural yields depend on the amount of moisture in the root zone. But in the summer soil moisture levels are often insufficient and result in reduced yields. In…

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Society
Citizen science and public participation
NextGen

NextGen will demonstrate innovative technological, business and governance solutions for water in the circular economy in ten high-profile, large-scale, demonstration cases across Europe. We will also develop the necessary approaches, tools and partnerships for transfer and upscaling.…

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Health
Safe innovation and the water sector
Circular Water 2050

The project ‘Circular Water 2050 – impact and opportunities of the “fully circular in 2050” target for an urban water cycle falls under the WiCE ‘Efficient with Raw Materials’ research area. The project’s aim is to develop…

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Sustainability
Sustainable use of freshwater resources
Efficient (re)use of water for a robust freshwater supply

In order to safeguard the freshwater supply over the long term, what is needed among other things is to work, regionally and locally, on the self-provision of freshwater…

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Sustainability
Sustainable resources
Reuse of coagulant from aquafer (HerCauWer)

In the Netherlands drinking water treatment almost always generates aquafer as a residual. By treating this material with acid, we can again transform it into iron salts, which can then be applied…

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Sustainability
Sustainable use of freshwater resources
REWATCH

Freshwater resources are increasingly under stress conditions and there exists a huge mismatch between available water resources and rising water demand in many parts of the world. The petrochemical industry is an important water user. REWATCH aims to validate…

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Sustainability
Sustainable resources
Treating spent IEX regenerant streams

Ion exchange (IEX) is being increasingly used for the removal of organics, for example, for purposes of removing water colour and water hardness. KatIEX is used for removing hardness, and AnIEX for…

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Sustainability
Sustainable resources
SCREENCAP

The essence of the innovative concept of Screencap is the recovery of solids from raw wastewater on the basis of particle size rather than density. The partners, Aa and Maas Water Board, CirTec and KWR Water Research…

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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 water cycle has a contribution to make: the recovery and useful application…

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Experts

Tavishi Guleria
Scientific researcher
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Tavishi Guleria

Scientific researcher

Tavishi is an Environmental Engineer and joined KWR in September 2020 as a Scientific Researcher in the in the Innovation and Valorisation team. At KWR, she is working on the…

030-6069627

tavishi.guleria@kwrwater.nl

06-51120041

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Maria Lousada Ferreira PhD
Scientific researcher
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Maria Lousada Ferreira PhD

Scientific researcher

Maria is an environmental engineer, with a PhD in wastewater treatment. She has been working for more than 20 years on how to combine environmental preservation with economic/social growth. Her…

030-6069680

maria.lousada.ferreira@kwrwater.nl

06-54295470

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Alex Hockin MSc
Scientific researcher
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Alex Hockin MSc

Scientific researcher

Alex Hockin is a researcher in the Geohydrology team. In 2018, she completed her Master's in environmental hydrogeology at Utrecht University, graduating cum laude. For her Master's she studied the…

030-6069620

alex.hockin@kwrwater.nl

06-15608101

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Julian Muñoz Sierra PhD EngD
Scientific researcher Project manager
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Julian Muñoz Sierra PhD EngD

Scientific researcher Project manager

Julian Muñoz Sierra is a scientific researcher on the Water Treatment and Resource Recovery team. He studied chemical engineering at the National University of Colombia. He worked as a process…

030-6069672

julian.munoz@kwrwater.nl

06-52891321

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Frank Oesterholt MSc
Senior scientific researcher
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Frank Oesterholt MSc

Senior scientific researcher

Frank Oesterholt is a senior researcher and project manager in the Energy & Circular Systems team. His specialities are process water treatment, water reuse and water loop closure. For example,…

030-6069575

Frank.Oesterholt@kwrwater.nl

06-21507897

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

Kees.Roest@kwrwater.nl

06-53197741

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All experts ()

News

News

Award-winning publication outlines circular future for aquafer

24 April 2023 — On 21 April, Wolter Siegers and Roberta Hofman of KWR received an award for their paper ‘Reuse of…

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Water Sector

Conclusive business case for circular application of powdered carbon

24 October 2022 — The high-value powdered carbon that Dunea uses in drinking water production can perfectly well be given a second…

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Water Sector

Treatment sludge offers opportunities for the reuse or recycling of micronutrients

08 June 2022 — Zuiveringsslib biedt in het agro-voedsel-afvalsysteem de beste mogelijkheden om hergebruik of recycling van micronutriënten te verhogen. Dit staat…

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News

The first exchange of experiences between B-WaterSmart Living Labs

21 March 2022 — European Horizon 2020 project B-WaterSmart had a general project meeting to exchange first results from six European coastal…

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Blog

The water sector as a reliable supplier of commodities recovered from the water cycle

20 July 2021 — Water is probably the most circular resource on earth. So it’s hardly surprising that the water sector has…

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Blog

Towards water-smart industrial symbiotic systems

25 June 2021 — According to the Ellen MacArthur Foundation, the circular economy aims to design waste and pollution management with new…

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Blog

Strengthen the water sector’s capacity by transferring practice-oriented knowledge

24 June 2021 — As we move towards a more circular and sustainable water chain and climate robust water system, new insights,…

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Blog

Arsenate removal from drinking water by application of pelletized iron(hydr)oxides

10 June 2021 — The aim of the TKI Polishing Pellets project is to convert liquid iron sludge into granular pellets suitable…

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News

Preserve and enhance the value of water throughout the cycle

28 May 2021 — The Water in the Circular Economy (WiCE) research programme revolves around the preservation of value in the water…

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News

ULTIMATE uses real-world, large scale industrial demonstrations to build evidence-based symbiosis applications

07 January 2021 — A total of 27 project partners have come together under the ULTIMATE project (indUstry water-utiLiTy symbIosis for a…

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News

Water sector sets course for the circular economy

26 November 2020 — The recently published report ‘Stip op de horizon Circulair Water 2050’ (‘Point on the Circular Water 2050 horizon’)…

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Article

Four lessons from creating a Dutch circular face scrub

12 November 2020 — On the surface, beauty products and water treatment are worlds apart. After all, the glitz and glamour of…

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News

ULTIMATE & NextGen Water Circular Economy solutions

21 October 2020 — What do Trappist monks, a whisky distillery and water utilities have in common? How can water utilities and…

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Blog

Symposium on Valuable Water

19 October 2020 — Friday October 16th STOWA organized a symposium on “Valuable Water”. The main topic was the “Water factory” at…

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News

Water Wise: Decision-support system for safe water-use and water-reuse cycles

15 September 2020 — KWR has developed Water Wise, a concept to meet the need for a simple-to-use, transparent and consistent tool…

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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…

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News

#WorldWaterDay – “We cannot afford to wait”

22 March 2020 — The theme of World Water Day 2020 is how water plays a key role in climate change adaptation…

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News

Water and energy in the circular city

12 February 2020 — How can the water sector assist a city achieve its circular ambitions? A city like Nieuwegein, where the…

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News

KWR installs hydrogen filling station at its site

01 August 2019 — Hydrogen-electric transport is increasingly playing a role when it comes to sustainable mobility. Besides passenger cars, this is…

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Blog

Membrane filtration as key technology to mitigate water and materials stress at IWA-MTC 2019

09 July 2019 — The IWA-MTC 2019 was attended by 410 attendants from 49 different countries with a strong representation from Asian…

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News

Water reuse presents opportunities

05 June 2019 — The reuse of water is becoming an increasingly central focus of attention. This reuse presents companies with important…

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News

Kees Roest ISPT Program Director

04 June 2019 — Since the beginning of April, Kees Roest has been program director at the Institute for Sustainable Process Technology…

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News

Enough water and dry feet in the city

21 March 2019 — With summer in view, many people are wondering whether it will be as hot and dry as last…

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News

The keys to the post-fossil energy age

14 March 2019 — A sustainable energy system can only thrive if it includes a satisfactory energy-storage system. Besides heat, green hydrogen…

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News

Membrane distillation and freeze crystallisation treat salt-streams containing organic pollutants

23 January 2019 — The Orpheus project shows that membrane distillation and freeze crystallisation offer possibilities for the concentration of high-saline streams…

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Water Sector

New initiative Alu Circles: converting sludge waste in water plants into a valuable resource

13 December 2018 — Cost reduction and sustainability are already proven in practice for residuals from drinking water production including lime pellets and ferric sludges. Aluminium based sludges are…

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News

CoRe Water project launched with pilot plant at Wehl WWTP

13 December 2018 — TKI Water Technology’s CoRe Water project has begun with the installation of a first pilot at the Rijn…

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News

Reducing water shortages in agriculture with recycled industrial residual water

28 November 2018 — Rather than discharging the residual water produced by industry into surface water, the water can be used to…

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Column

Membranes: opportunities and challenges in wastewater reuse

08 October 2018 — Recycling municipal wastewater offers a reliable and sustainable solution to cities and regions facing water shortages. California and…

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Column

Water in the City: rain after sunshine!

25 September 2018 — Our work on ‘Water in the City’ is based on an old piece of medical wisdom: prevention is…

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Blog

KWR with ReCirc Singapore present at the Singapore International Water Week

19 July 2018 — The Dutch water sector was present with about 150 persons at the Singapore International Water Week, the World…

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News

ISPT Eurydice project almost completed

05 June 2018 — In the coming months the ISPT Eurydice project will be completed and reported on. The project is a…

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News

Research into metals in the water cycle

05 June 2018 — The focus of water treatment is increasingly shifting to the recovery of raw materials, partly stimulated by the…

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News

Wim van Vierssen advocates human dimensioning of innovation

31 May 2018 — Wim van Vierssen is leaving his chair at TU Delft. On Tuesday 29 May, he gave his farewell…

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News

Large-scale freshwater provision in low-lying areas of the Netherlands through smart use of the subsurface

22 May 2018 — Water authorities, drinking water companies, knowledge institutes, consultant Arcadis, the Province of South Holland and the greenhouse horticultural…

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News

Collaboration offers opportunities for clean water and sustainable agriculture

03 April 2018 — Agriculture and horticulture produce large-scale emissions of (artificial) fertilisers, plant protection products and veterinary pharmaceuticals, which hinder the…

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Blog

Why waste water in Fujairah (UAE)?

26 February 2018 — “Why waste water?” was the theme of the 2017 World Water Day. TANQIA the wastewater utility in Fujairah,…

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Blog

Launch of Platform for Accelerating the Circular Economy (PACE)

13 February 2018 — A new platform to accelerate the circular economy was launched during the World Economic Forum annual meeting in…

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News

Water reuse with a nanofiltration membrane bioreactor in Singapore

13 February 2018 — At the beginning of March, a project will start at the Singapore Membrane Technology Centre (SMTC) on water…

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Blog

Closing the water cycle by reusing treated wastewater

01 February 2018 — Matching the agricultural freshwater supply and demand, by using industrial and domestic treated wastewater for irrigation purposes is…

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News

Professor Willy Verstraete appointed KWR Honorary Fellow

25 January 2018 — On 25 January Professor Willy Verstraete was appointed KWR Honorary Fellow. KWR bestowed Verstraete the Honorary Fellowship in…

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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…

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News

Better reuse of salt and water from waste flows

18 December 2017 — Converting salty waste flows from ion exchangers regenerate into new products and saving energy at the same time…

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News

Emile Cornelissen: visiting professor at the University of Ghent

04 December 2017 — KWR researcher Emile Cornelissen has been appointed as visiting professor at the University of Ghent (Belgium) in order…

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News

WWTP capacity increases by 10% with finescreen technology

21 November 2017 — The Aa and Maas Water Board, CirTec and KWR consortium has completed the Screencap research project at the…

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Blog

WQTC 2017 buzzing with potable water reuse

20 November 2017 — Potable water reuse was the central theme during this conference, recognizing the existing ‘de facto’ reuse of wastewater…

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News

CoRe Water: from WWTP to a sustainable water factory

31 October 2017 — On the first day of Aquatech 2017, Allied Waters, BLUE-tec, KWR and Royal HaskoningDHV signed a collaboration agreement…

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News

Innovations at centre-stage of Waterevent

18 October 2017 — More than 150 visitors attended the annual Waterevent at Wageningen University & Research (WUR) Greenhouse Horticulture and LTO…

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Water Sector

Korean consortium wins IWA Award for Best Practices on Resource Recovery

08 August 2017 — Partnered with Watershare, the International Water Association’s (IWA) Resource Recovery Cluster has concluded the IWA Award for Best…

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News

IWA conference on resource recovery focuses on renewable energy, clean water and food issues

19 July 2017 — Between 5 and 9 of August, the second international IWA conference on resource recovery takes place in New…

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News

COASTAR: saline at bay, fresh on hand

13 July 2017 — In the COASTAR (COastal Aquifer STorage and Recovery) project that recently got underway, KWR, together with Deltares and…

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Blog

Darling Solutions

07 July 2017 — As a member of its Advisory Committee, I paid a visit to UNU-FLORES. This is the institute of…

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News

Water reuse and subsurface storage: a logical combination

13 June 2017 — In Dinteloord (North Brabant) the Tuinbouwontwikkelingsmaatschappij (Horticultural Development Company) (TOM) has realised a high-quality, sustainable freshwater provision system…

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Water Sector

Water and Horticulture Top Sectors sign ‘Circular Netherlands’ collaboration agreement

21 March 2017 — Loek Hermans, the standard bearer of the Horticulture & Propagation Materials Top Sector, and Hans Huis in ’t…

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Water Sector

Citizen trust: key to successful introduction of water reuse

14 February 2017 — In principle, Europe’s citizens have a positive attitude towards water reuse. But whether they would personally reuse water…

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News

Metals in the water cycle: insight and opportunities

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

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Blog

Resource recovery: focus on the high value products

12 October 2016 — There are only a few subjects that have two sessions at the IWA World Water Congress here in…

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Water Sector

DEMOWARE: Governance workshops and launch Water Reuse Europe

03 October 2016 — In September KWR organised two workshops on water reuse governance with stakeholders in Sabadell (Spain) and Capitanata (Italy).…

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Water Sector

Sustainability pilot with struvite pellets for lush Schiphol grasslands

08 September 2016 — On 7 September 2016 struvite fertilising pellets were applied to the areas next to Schiphol airport’s runways Schiphol-Rijk…

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News

Life+ REWATCH: reducing the environmental impact of the petrochemicals industry

07 July 2016 — KWR is participating in the four-year European Life+ REWATCH project that is now being launched. In order to…

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Water Sector

Limited public acceptance is the biggest obstacle to the serious scaling-up of water reuse

11 January 2016 — The European Commissions sees water reuse as an important means of overcoming (future) water shortages. The stimulation of…

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News

‘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…

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News

‘Resource Recovery in the Water cycle’: what does the future look like?

10 November 2015 — On 3 November, the ‘Accelerating Resource Recovery from Wastewater’ workshop was held during the Amsterdam International Water Week…

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