Tag page

Water treatment

Projects

Society
Citizen science and public participation
The customer as ‘follow-up treatment actor’

Drinking water customers seem increasingly open to the idea of home filtration and rainwater applications in their own households. This project sheds light on the number and the kinds of customers concerned,…

Read more about The customer as ‘follow-up treatment actor’
Health
Biological activity
Reuse of activated carbon for the removal of organic micropollutants

The removal or organic micropollutants (OMPs) from (waste) water is becoming a matter of more and more importance. Pharmaceutical residues are increasingly being removed from domestic wastewater –…

Read more about Reuse of activated carbon for the removal of organic micropollutants
Health
Biological activity
Circular Rain

With Circular Rain we are investigating an innovative storage, purification and use of rainwater. By buffering and simultaneously purifying harvested rainwater, a variety of useful applications can be envisaged. Rainwater harvesting is becoming increasingly important. This is…

Read more about Circular Rain
Health
Microbial safety
Rainwater as a source of drinking water: production costs and environmental aspects

Many people think it would be sustainable to make drinking water from collected rainwater. However, there is not enough rainwater in the Netherlands to meet demand. The costs…

Read more about Rainwater as a source of drinking water: production costs and environmental aspects
Health
Safe innovation and the water sector
LCA study of variants of activated carbon

The use of activated carbon in drinking water treatment means that it has to be reactivated on a regular basis, and so this type of treatment has a significant environmental impact. Studying…

Read more about LCA study of variants of activated carbon
Sustainability
Sustainable energy
Softening 2.0 at Waternet; Leiduin production location

To identify the best option for a new water softening system in Leiduin, five different scenarios were compared in terms of Total Costs of Ownership and life cycle…

Read more about Softening 2.0 at Waternet; Leiduin production location
Sustainability
Sustainable energy
Environmental impact of NaOH and lime milk in drinking water treatment

All kinds of chemicals are used to treat drinking water. Caustic soda and lime milk are used on a large scale. On the basis of information from the…

Read more about Environmental impact of NaOH and lime milk in drinking water treatment
Enabling technologies
Innovative water treatment technologies
Electrochemical treatment processes

Electrochemical treatment processes present various advantages compared to conventional treatment processes. By gaining experience with a single, promising electrochemical method in a relevant water composition (with a focus on its effectiveness and…

Read more about Electrochemical treatment processes
Health
Biological activity
Preventing and controlling emissions in greenhouse cultivation 2

This project is a re-launch of the earlier ‘Preventing and controlling emissions in greenhouse cultivation’ project. In the present project, knowledge will be further developed on optimising the…

Read more about Preventing and controlling emissions in greenhouse cultivation 2
Enabling technologies
Innovative water treatment technologies
Strengthening research into activated carbon filtration for micropollutant removal

Organic micropollutants (OMPs), including persistent compounds, are being increasingly detected in groundwater and surface water. Understanding the action of (surface water) treatment in the removal of OMPs is…

Read more about Strengthening research into activated carbon filtration for micropollutant removal
Enabling technologies
Innovative water treatment technologies
The physico-chemical behaviour of purified water turbidity in distribution networks

The groundwater treatment processes at Brabant Water are designed for the removal of iron, ammonium and manganese. These processes work perfectly. The water quality generally fluctuates around the…

Read more about The physico-chemical behaviour of purified water turbidity in distribution networks
Enabling technologies
Hydrogenomics
Managing concentrate streams

A number of water utilities make use of reverse osmosis (RO) or (capillary) nanofiltration (NF) membranes as a component of their drinking water treatment, since these provide a good barrier for all kinds of substances (e.g., salts,…

Read more about Managing concentrate streams
Health
Biological activity
Adsorptive and biological removal of plant protection products from jointly collected discharge water in greenhouse horticulture

The ‘Adsorptive and biological removal of plant protection products from jointly collected discharge water in greenhouse horticulture’ project was recently launched. The project involves the development of a…

Read more about Adsorptive and biological removal of plant protection products from jointly collected discharge water in greenhouse horticulture
Health
Microbial safety
KWR to advise the State of Michigan in Flint research dispute

In October 2017 KWR conducted a scoping mission for the State of Michigan in the US to get a clear idea of the status of the multidisciplinary project,…

Read more about KWR to advise the State of Michigan in Flint research dispute
Sustainability
Sustainable resources
Remineralisation of RO permeate

Oasen is working on the full-stream treatment of, among others, river-bank filtrate using RO, which entails the complete removal of practically all substances, including minerals, from the water. A crucial aspect of this development is the conditioning…

Read more about Remineralisation of RO permeate
Sustainability
Sustainable energy
Preventing and controlling emissions in greenhouse cultivation

Starting in 2018, greenhouse horticulturalists will be required to treat their discharge water containing plant protection products (PPPs) (for collectives the requirement has to be met by 2021).…

Read more about Preventing and controlling emissions in greenhouse cultivation
Health
Safe innovation and the water sector
Shale Gas and Water

Before the Netherlands can initiate shale gas extraction, answers must be given to the question of the possible environmental risks involved for the water system. The Shale Gas and Water programme is focused on issues in the…

Read more about Shale Gas and Water
Sustainability
Sustainable use of freshwater resources
AquaNES

Water scarcity, excess water in cities and micro-pollutants in the water cycle are challenges for now and the future. In AquaNES, we test constructed Natural and Engineered Systems (cNES) to face these challenges, develop a monitoring programme…

Read more about AquaNES

All projects ()

Experts

Julian Muñoz Sierra PhD(c) PDEng
Scientific researcher Project manager
view profile
Julian Muñoz Sierra PhD(c) PDEng

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

06-52891321

view profile
Roberta Hofman PhD MSc
Senior scientific researcher
view profile
Roberta Hofman PhD MSc

Senior scientific researcher

Roberta Hofman works as a senior scientist on the Water Treatment team. She mainly works with two types of processes to remove (mainly organic micro)pollutants from water: adsorption and oxidation.

030-6069673

06-53198167

view profile
Wolter Siegers
Scientific researcher
view profile
Wolter Siegers

Scientific researcher

Wolter Siegers is a Generic-B researcher and has worked at KWR for more than 30 years. He worked on research in water treatment for drinking water, wastewater and industry water.

030-6069726

06-10946825

view profile
Bas Wols PhD MSc
Scientific researcher Project manager
view profile
Bas Wols PhD MSc

Scientific researcher Project manager

Bas Wols works as a scientific researcher on the Water Treatment team. He models water treatment processes, such as UV/H2O2 oxidation, membrane filtration, sand filtration, softening and aeration. He uses...

030-6069604

06-50559052

view profile
Emile Cornelissen PhD MSc
Senior scientific researcher
view profile
Emile Cornelissen PhD MSc

Senior scientific researcher

Emile Cornelissen is Senior Scientific Researcher in the Water Treatment team, and professor at the PaInT (Particle and Interfacial Technology) research group at Ghent University. Also, since 2014, he has...

030-6069538

06-53508928

view profile
Patrick Bäuerlein PhD
Scientific researcher Project manager
view profile
Patrick Bäuerlein PhD

Scientific researcher Project manager

Patrick Bäuerlein is a chemical researcher in the Chemical Water Quality and Health team, and his main field of expertise is the chemical quality of the entire water cycle. He...

030-6069702

06-54296020

view profile

All experts ()

News

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,…

Read more about Strengthen the water sector’s capacity by transferring practice-oriented knowledge
Blog

8th International Congress on Arsenic in the Environment (As2021) – Bridging Science to Practice for Sustainable Development

11 June 2021 — Over 250 participants from over 40 countries and more than 10 scientific disciplines participated in As2021. More or…

Read more about 8th International Congress on Arsenic in the Environment (As2021) – Bridging Science to Practice for Sustainable Development
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…

Read more about Arsenate removal from drinking water by application of pelletized iron(hydr)oxides
Column

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.…

Read more about Need for membranes with a better selectivity, better module design and higher log removal credits
News

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,…

Read more about KWR demonstrates value added of water knowledge for practice at trade fair
News

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…

Read more about Use of natural viruses to monitor membrane integrity
Blog

A global perspective on local water, waste and climate challenges

08 February 2019 — This week I had the honour to provide a global perspective on the local challenges of water, waste…

Read more about A global perspective on local water, waste and climate challenges
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…

Read more about CoRe Water project launched with pilot plant at Wehl WWTP
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…

Read more about WQTC 2017 buzzing with potable water reuse
Water Sector

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…

Read more about Rossella Messina finalist in Dopper Changemaker Challenge

All news items ()

Water treatment

The customer as ‘follow-up treatment actor’

Reuse of activated carbon for the removal of organic micropollutants

Circular Rain

Rainwater as a source of drinking water: production costs and environmental aspects

LCA study of variants of activated carbon

Softening 2.0 at Waternet; Leiduin production location

Environmental impact of NaOH and lime milk in drinking water treatment

Electrochemical treatment processes

Preventing and controlling emissions in greenhouse cultivation 2

Strengthening research into activated carbon filtration for micropollutant removal

The physico-chemical behaviour of purified water turbidity in distribution networks

Managing concentrate streams

Adsorptive and biological removal of plant protection products from jointly collected discharge water in greenhouse horticulture

KWR to advise the State of Michigan in Flint research dispute

Remineralisation of RO permeate

Preventing and controlling emissions in greenhouse cultivation

Shale Gas and Water

AquaNES

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

8th International Congress on Arsenic in the Environment (As2021) – Bridging Science to Practice for Sustainable Development

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

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

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

Use of natural viruses to monitor membrane integrity

A global perspective on local water, waste and climate challenges

CoRe Water project launched with pilot plant at Wehl WWTP

WQTC 2017 buzzing with potable water reuse

Rossella Messina finalist in Dopper Changemaker Challenge