Treatment

CoRe pilot underway in Roermond: the next generation of wastewater treatment

05 October 2020 — Following successful clean-water tests at the KWR Water Research Institute in Nieuwegein, on 29 September the new CoRe...

Seasonal influences of surface water on fouling potential in UF

The link between seasonal changes in the quality of surface waters and the operation of a membrane plant...

Stand-alone local treatment for remote areas

It is difficult to supply drinking water from the central system in some parts of the Netherlands. Available...

River-bank filtration as alternative to direct intake

Surface water utilities in the Netherlands frequently intake their river water directly, or after the water is first...

Electrochemical treatment processes

Electrochemical treatment processes present various advantages compared to conventional treatment processes. By gaining experience with a single, promising...

Knowledge to the surface

Substances that are naturally present in the soil enter the groundwater and ultimately the surface water. This is...

Iron removal for the removal of organic microcontamination

Iron hydroxides are produced at various places during the production of drinking water. That results in the formation...

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...

Clean water, now and in the future

31 December 2019 — KWR is a specialist in the detection, research and removal of undesirable substances, such as pharmaceutical residues and...

Monitoring emerging drug problems in Europe

04 December 2019 — The partners of the EUSEME project came together on 19 and 20 November for the kick-off meetings. Researchers...

Freo is the scene of the 4th desalination using membrane technology (MemDes) conference

04 December 2019 — Perth (Australia) has been dealing with severe water shortages, which has been mitigated by the construction of two...

Working on water availability for industry

15 November 2019 — Many operational processes depend heavily on water. Companies need to have enough water, of the right quality and...

Healthy drinking water and wastewater treatment for all

07 November 2019 — If you don’t measure what you want to know, you can’t manage the progress. That also applies to...

Innovative drinking water supply technologies in Argentina

26 September 2019 — On 25 September, the Argentinian Water Supply Company, AySA, the Dutch companies, Royal HaskoningDHV and TRAIDE, and water...

Research into microplastics in purified wastewater in full swing

13 September 2019 — The research into microplastics in purified wastewater by drinking water company PWN, Hoogheemraadschap Hollands Noorderkwartier (HHNK), The Great...

Quality of drinking water sources under growing pressure

12 September 2019 — A survey study by KWR on the quality of drinking water sources in the Netherlands shows that these...

Regrowth of bacteria of the coli group in sand filters at the Bergen and Mensink pumping stations

Drinking water quality is controlled, among others, by measuring the presence of bacteria of the coli group. However,...

Fiware4Water

Fiware4Water is a three-year European research and innovation project, coordinated by the French Office International de l’Eau, links...

WHO approves 23 household water treatment systems

08 August 2019 — Household water treatment systems are important for public health in a number of countries, where the quality of...

Is it good to further purify your drinking water at home?

18 July 2019 — Reports appear fairly regularly in the media suggesting that drinking water is not clean and that it’s better...

What is the status of plastics in water?

11 July 2019 — It was recently reported on the news that people ingest a teaspoon, that is 5 grams, of microplastics...

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...

Need for membranes with a better selectivity, better module design and higher log removal credits

04 July 2019 — In the last ten years, the membrane community experienced a tremendous surge in research of synthesizing novel membranes.

Looking for a needle in a haystack? Non-target screening

02 July 2019 — Recent developments in analytical chemistry in combination with data handling appear to be a major gain for the...

Anammox

Anammox, an abbreviation for ANaerobic AMMonium OXidation, is a microbial process of the nitrogen cycle. It takes place...

Launch of Fiware4Water: digital solutions for water

28 June 2019 — On 10 June 2019, Waternet and KWR, together with twelve European partners, launched the Fiware4Water project. This three-year...

Particle composition and biological stability

Treatment processes can influence the biological stability of water in different ways. In the Netherlands and Flanders, the...

Development of a substance database

A databank that unlocks information about relevant substances – e.g., substance properties, the presence of known and unknown...

AgriAs project on arsenic contamination concluded

20 May 2019 — The European AgriAs project investigated the presence of arsenic in European agricultural soils and water, the most significant...

Consortium researches impact of ‘Bubble Barrier’ on microplastics in treated wastewater

06 May 2019 — A research consortium, comprising the water utility PWN, Hollands Noorderkwartier Water Authority (HHNK), The Great Bubble Barrier and...

KWR demonstrates value added of water knowledge for practice at trade fair

04 April 2019 — KWR presented the value added of water knowledge in water practice at Aqua Nederland Vakbeurs 2019. The event,...

Dutch drinking water sources vulnerable to plant protection products

01 April 2019 — Ground- and surface-water sources in the Netherlands are vulnerable to contamination by old and new plant protection products...

CatchAmed binds pharmaceuticals in the toilet

01 April 2019 — Increasing attention is being paid to methods for the removal of pharmaceuticals from wastewater. In the TKI programme’s...

How to deal with micropollutants in water

13 March 2019 — Additional treatment steps for WWTPs; Learning by doing, doing while learning As WWTPs in general haven’t been designed...

Use of natural viruses to monitor membrane integrity

12 March 2019 — KWR has been granted a patent for a new, very sensitive method to determine how effectively a physical...

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...

Validation slow sand filtration at De Punt

Slow sand filtration is a treatment process that contributes importantly to drinking water safety. In water practice, however,...

Purification in water reservoirs

Water reservoirs fulfil several functions in drinking water treatment. The reservoir determines to a large degree the quality...

Ferramentum: tool for insights into rapid filtration

Previous tailored and thematic research work focused on iron and manganese removal from groundwater and led to the...

Prediction and validation in organic micropollutant removal

Organic micropollutants (OMPs) in sources of drinking water are regularly in the news. The quantities of OMPs are...

Biological conversion of micropollutants in drinking water treatment

Various scientific studies have shown that biological processes, such as rapid sand filtration (SF), river-bank filtration, biological granular...

7th International Congress on Arsenic in the Environment in Beijing

10 July 2018 — Over 250 participants from over 40 countries and more than10 scientific disciplines participated in As2018. This shows the...

Julian Muñoz Sierra PhD(c) PDEng

Julian Muñoz Sierra is a scientific researcher on the Water Treatment and Resource Recovery team. He studied chemical...

‘Contaminants of Emerging Concern’ – a partnership in water technology

More and more chemical substances are being produced and used all over the world. At the same time,...

TKI sewage fat solution

Local authorities regularly face threating blockages in their sewer networks caused by accumulated fat in the mains. The...

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...

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...

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...

Sulphate-reducing bacteria also work in WWTP

17 October 2017 — KWR, Paques and Delfluent Services BV have conducted a pilot test with sulphate-reducing bacteria under winter conditions at...

10th Micropol & Ecohazard Conference in Vienna

21 September 2017 — From 17 till 20 September the 10th Micropol & Ecohazard conference was held in Vienna. The conference consisted...

Luuk de Waal MSc

Luuk de Waal is a practice-oriented researcher in the Water Treatment & Technology team of KWR water research...

AgriAs

Toxic arsenic (compounds) in the soil and water present health risks worldwide for 220 million people. KWR is...

Urban Waterbuffer now also in practice

19 May 2017 — How can we retain rainwater in the subsurface of urban areas longer and more effectively? And can we...

Rossella Messina finalist in Dopper Changemaker Challenge

16 March 2017 — Rossella Messina, master thesis intern at KWR, has reached the final round of the Dopper Changemaker Challenge. With...

Shale Gas and Water

Before the Netherlands can initiate shale gas extraction, answers must be given to the question of the possible...

Nanotechnology in water applications

NanoNextNL is a consortium directed at research in the field of micro- and nanotechnology. More than one hundred...

The Urban Waterbuffer

Urban areas are increasingly faced with temporary flooding caused by heavy rainfall, or water shortages due to longer...

Urban Waterbuffer gives value to excess rainwater

22 December 2016 — Urban areas increasingly face flooding due to intense rainfall, as well as water shortages due to long droughts.

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...

New university research programme on ‘emerging contaminants’

07 October 2016 — ‘Emerging contaminants’ or ‘contaminants of emerging concern’ are terms we use essentially to refer to a large and...

MICRORISK: Microbiological risk assessment

The aim of MICRORISK was to develop a microbial risk assessment process which will contribute to the decision...

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...

Kickoff EU project REWATCH

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

KWR uses water from its own pond for TKI research into membrane fouling

23 August 2016 — Pilot installation research is currently being carried out at KWR’s test facility into the single-stage reverse osmosis concept:...

Innovative water treatment technologies

Drinking water treatment is subject to many demands and, today, the challenges it faces are becoming increasingly complex...

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...

Mülheimer Wassertechnisches Seminar “Adsorption in der Wasseraufbereitung”

27 June 2016 — On Wednesday Sept 14th in Mülheim (BRD) a symposium on adsorption technology for water treatment was organized. It...

Smarter measurement

Water quality is often extensively measured within the framework of Analysis of Microbial Safety of Drinking Water (Dutch...

Antibiotic resistance in surface water and water treatment

Over the past few decades the use of antibiotics by humans and for veterinary purposes has grown sharply.

Pilot research

Pilot research is an important component of our work: it reveals, following the laboratory phase, where possible problems...

Performance of nanotechnology-based membranes in the removal of pathogens and organic micropollutants

Applications of nanotechnology in (drinking) water treatment will possibly lead to revolutionary new applications (breakthrough technology), energy and...

Occurrence and removal of nanoparticles in drinking water treatment

Because of the global increase in the use of nanoparticles, in consumer and pharmaceutical products for example, it...

Roberta Hofman PhD MSc

Roberta Hofman works as a senior scientist on the Water Treatment team. She mainly works with two types...

Stefan Kools PhD

Stefan Kools works at KWR as a researcher and team leader. He has more than 20 years’ experience...

Wolter Siegers

Wolter Siegers is a Generic-B researcher and has worked at KWR for more than 30 years. He worked...

Bas Wols PhD MSc

Bas Wols works as a scientific researcher on the Water Treatment team. He models water treatment processes, such...

AquaPriori

Studies into the effectiveness of water treatment techniques for priority substances involve high costs and are closely related...

Emile Cornelissen PhD MSc

Emile Cornelissen is Senior Scientific Researcher in the Water Treatment team, and professor at the PaInT (Particle and...

Patrick Bäuerlein PhD

Patrick Bäuerlein is a chemical researcher in the Chemical Water Quality and Health team, and his main field...

KWR tests water treatment technologies for WHO

20 July 2015 — Since the end of 2013, KWR has functioned as a test lab for the World Health Organization (WHO)...

Aa and Maas Water Board, BWA and KWR sign partnership agreement on finescreen technology

03 March 2015 — On 3 March 2015, the Aa and Maas Water Board, technology company BWA and KWR signed an agreement...