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- Projects
- Source-separated
- Helsingborg, Sweden
Award-winning sanitation system in Helsingborg
The Oceanhamnen residential area uses an innovative, circular Desah system. Here, greywater and blackwater are collected and processed separately. In addition, the houses are equipped with food grinders in the kitchen, which dispose of food waste directly and process it locally.
The sanitation system is housed in the RecoLab, a development facility for research and with an exhibition area for visitors. This facility is a globally unique system for source-separated wastewater treatment that recovers important raw materials. As such, it fits perfectly with Helsingborg's ambition to become a fully circular city.
The Helsingborg project received international recognition. In 2015, Desah won the Swedish innovation prize in the “Blackwater and Food Waste Challenge”, in the category Treatment plant. And in 2022, the project was again awarded a prestigious prize: the Global Water Award in the category Wastewater Project of the Year.
Awarded international innovation prizes
Location:
Helsingborg (SE)
Client:
NSVA
Market:
Decentralised wastewater treatment
Year of completion:
2021
What we delivered
For this project in Sweden, Desah was responsible for the complete supply and realisation of the circular sanitation system in Oceanhamnen. This included the installation of a digester for black water, which produces biogas. Kitchen waste is also processed locally: for this, Desah supplied the digester and hygiene units that process food waste.
Greywater from showers, sinks and washing machines is biologically purified and then polished using nanofiltration, so that it can be safely reused or discharged. A sophisticated control and automation system was integrated for stable and efficient operation. In addition, Desah provided on-site operator training and supervised the start-up and commissioning of the entire system.
Why this solution?
- Recovery of heat from greywater
- Production of biogas
- Reuse of treated water
- Removal of micropollutants such as drug residues
- Reduced emissions of nitrous oxide and carbon dioxide
- Energy-positive wastewater treatment
Technical details
Type
Source-separated
Capacity
2300 IE
Harvesting energy
60-70% more biogas
Water saving
30% more
Struvite
3 times as much
“By separating wastewater at source, we can contribute to sustainability in many small ways.”
Project in pictures
From placement to final result - a compact project with great impact.
The Oceanhamnen residential area in Helsingborg, Sweden.
The digestion tanks with the hygienisation tanks in front of them.
Nano-filtration membrane modules for the removal of micro-pollutants
The RecoLab test facility.
Also need a smart solution?
Do you have a property in the countryside or a location without a sewer connection? Noardling is happy to help you with a suitable and sustainable wastewater solution. Contact Stefan Bergsma for personal advice or a no-obligation quotation.
