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Sign upJanuary 1, 2022
Odsherred Electric Utility Company
Odsherred
implemented the AquaGreen HECLA® Setores 1.000 and 1.500 systems at the Fårevejle wastewater treatment plant, serving 50,000 residents. The HECLA® Setores 1.000, operational since Q3 2022, occupies a compact 12×20-meter space, exemplifying cleantech innovation in sustainable sludge management.
This advanced solution reduces sludge transport costs by up to 90%, significantly easing logistical and environmental burdens. It also generates approximately 2,000 MWh of renewable energy annually, contributing to the local grid and showcasing waste-to-energy conversion.
The project demonstrates Odsherred's commitment to environmental stewardship and resource innovation, positioning the region as a leader in sustainable wastewater management.
There is a growing concern about what to do with sewage sludge due to concerns of environmentally unfriendly PFAS, pharmaceuticals, microplastic, and chemical compounds (PAHs, furans, dioxins, NPE, LAS etc). In many countries, sludge is now incinerated instead of spread on land due to public health concerns. This creates a problem of locking Phosphorus in the ash making it very difficult and expensive to recycle it into the soil. Sludge can only be spread on land 3 months a year and the prolonged storage gives considerable GHG emission. AquaGreen dries and pyrolyse (heat to 650 °C) the sludge turning it into useful resources - energy and biochar w. phosphorus - solving environmental and climate problems of sewage sludge. We help the farmer to better yields and the climate by storing CO2 in the ground when biochar is used as a fertilizer. We support future generations' ability to grow plants by recovering phosphorus - an element listed as a critical scarce raw material by the EU.
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