About us
- Water pollution
- Biofouling
- Biofilm removal
- Phosphate removal
- Reverse osmosis
- Reservoir souring
- Bacterial contamination
- Arsenic


A biofilm is the slime layer that develops on wet surfaces as result of significant microbial growth. Biofilm formation takes place when microorganisms rapidly multiply on a surface due to a number of favorable conditions (e.g. nutrients, pH, temperature, and oxygen), and start excreting extracellular polymeric substances.

Biofilm formation

With regards to water treatment, biofilm formation is a common problem of heat exchangers (e.g. cooling towers) and water distribution networks. As a consequence of biofilm formation, rapid bio-corrosion takes place on surfaces that are in contact with water. Specifically in cooling towers, biofilms form an insulation layer, leading to poor heat transfer. Last but not least, biofilms also form a safe haven for pathogens such as legionella, raising severe health risks.

Biofilm removal

Once established, the slimy matrix provided by the biofilm offers an ideal protection to microorganisms against most disinfectants. This is why water disinfection is significantly less effective in the presence of biofilms. The same holds true for anticorrosion products, which are mostly ineffective once biofilms are involved. One common solution for biofilm removal is chlorine dioxide. However, chlorine dioxide has significant drawbacks as it has to be manufactured at the point of use and leaves an unpleasant odor, causing discomfort to people in the direct environment.

BiAqua PRT™ biofilm prevention

Prevent biofilm formation with BiAqua PRTBiAqua has developed a game changing technology that approaches biofilm in the most effective way. That is, preventing biofilm formation rather than focusing on biofilm removal. BiAqua Phosphate Removal Technology (PRT™) is able to reduce phosphate in water to levels below 1 ppb. As phosphate is a key nutrient for bacteria, BiAqua PRT™ successfully inhibits bacterial growth and therefore prevents the attachment of bacteria to wet surfaces (preventing biofilm formation).

Our cost-effective BiAqua PRT™ solution is bio-based and is successful in protecting heat exchange systems and water distribution networks against performance loss and bio-corrosion. Furthermore, BiAqua PRT™ technology prevents outbreaks of waterborne diseases such as legionella and other infections that predominantly are transmitted through contact with or consumption of infected water. Contact us today and discover how BiAqua PRT™ can be suited to your specific needs.


2 28-05-2015 Vacancy: Process Field Engineer


2 20-08-2014 BiAqua featured in Water Desalination Report.

2 13-08-2014 BiAqua appoints OrangeBoat as technology ambassador.

2 13-06-2014 BiAqua’s founding father awarded the 2014 NWO Spinoza prize

2 23-05-2014 BiAqua’s first pilot-test results gain recognition at the EDS conference Cyprus

2 6-11-2013 BiAqua’s technology preventing biofouling in pilot at WLN

2 29-10-2013 BiAqua’s solution against biofouling and phosphate contamination will be launched at Aquatech 2013

2 29-10-2013 BiAqua technology proves able to guarantee 10x delay in biofouling appearance when applied to RO membranes pretreatment

2 14-10-2013 BiAqua will be present at Aquatech 2013

2 30-9-2013 BiAqua and Eucodis bioscience scale up enzyme production

2 6-9-2013 BiAqua and WLN form partnership to develop PRT technology

2 13-9-2012 BiAqua in Artemis top 50!

2 1-7-2012 Visit BiAqua at the SIWW'2012

2 7-05-12 BiAqua presents at DSM Webinar on outsourcing development for industry ingredients

2 29-03-12 BiAqua founding father wins Lee Kuan Yew Water prize

2 15-03-11 Biaqua Ferritin validated for its adsorption capacity to remove > 99.95% of 32P (i.e. < 1 ppb)

2 31-08-09 Icos Capital invests in TU Delft water spin-off

5 31-08-09 Icos Capital investeert in watervinding TU Delft