Your browser doesn't support javascript. This means that the content or functionality of our website will be limited or unavailable. If you need more information about Vinnova, please contact us.

Pilot Scale Prototype for Nitrate Removal Toward Zero Waste

Reference number
Coordinator AquaBioSolve Stockholm AB
Funding from Vinnova SEK 300 000
Project duration June 2020 - November 2020
Status Completed
Venture Innovative Startups
Call Innovative Startups step 1 spring 2020

Important results from the project

The presence of nitrate and nitrite in natural water systems is a serious health issue for humanity. At present, the nitrate concentration in several industrial branches and municipal water is above the allowed values. Current treatment processes require addition of toxic chemicals or a complex setup, which is accordingly characterized by high costs. The basic idea of our solution is based on the combination of electric current and sorbent from wood biomass. The presented method is low-cost, scalable toward large volumes, and creates no waste.

Expected long term effects

We have scaled our technology capacity up to 60L and it was proved that it has high potential for further scaling. Lab validation and short pilot tests confirmed an excellent efficiency of the prototype for 60L. The dialogue with clients from different industries brought us valuable feedback towards design of the prototype and its possible technical upgrade to be able to meet better operation, decrease possible side effects. Step 1 made a huge positive impact on our business development and let us to be prepared for step 2; made us confident for the start of our business on the market.

Approach and implementation

The major deliverable of the project was to scale up the prototype for larger demonstration action for step 2. We had to engineer several parts of the scaled-up prototype in order to meet the expectation for larger water flow. By continuous analysis of the system performance, we could develop a scale-up prototype of equal performance while keeping the costs for individual construction elements low. The discussions with our external partners have helped us to understand future customers´ expectations toward a device that minimizes interaction with an operator to save costs.

External links

The project description has been provided by the project members themselves and the text has not been looked at by our editors.

Last updated 11 December 2020

Reference number 2020-01456