NSVA / Reco Lab / RecoLab
This page exists as an archive of the work carried out in connection with Helsingborg's innovation initiative H22 and H22 City Expo, years 2019-2022.
NSVA / Reco Lab / RecoLab
How do three pipes instead of one make food waste and wastewater handling smarter, so it’s effortless for Helsingborg residents to keep our environment pristine and preserve water, energy, and nutrients from literally going to waste?
The answer is that we separate the three waste streams. Food waste, toilet water, and grey water from bathing and washing go into three separate pipes at the source, meaning at their point of use in each household. Over 2,000 new homes and offices in our urban renewal neighbourhood Oceanhamnen are the first in the world to use the new system at full scale – following its development in Helsingborg – along with sister projects in six cities around Northern Europe.
In Oceanhamnen kitchens, food waste disposals in the sinks collect food waste in one pipe, and vacuum toilets collect toilet waste in another pipe. The third pipe collects washing and bathing water and reuses heat in each home as needed, before it follows the other two pipes to a recovery centre nearby. The recovery centre collects nutrients and materials for producing biogas and organic fertiliser that fulfil the end-of-waste criteria. It also captures any remaining heat from the grey water stream for heating more homes, before the minimal remaining wastewater from the three streams goes on to our wastewater treatment plant.
This squeezes all the possible value out of the food and water we use. It also reduces greenhouse emissions by over 50% compared to the traditional system, cutting energy and water consumption and landfill waste to an absolute minimum.
Learn how the technology works, see how it turns residents into environmental heroes, or visit the Reco Lab showroom to see it in action.
HBG WORKS
HELSINGBORG
hbgworks@helsingborg.se
www.hbgworks.se
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