The ICARUS project is pioneering innovative circular solutions by recovering cellulose from urban wastewater and absorbent hygiene products (AHPs), such as diapers and sanitary pads, for use in construction materials. Pilots in Italy and Spain, led by i-Foria and ACCIONA, are validating technologies that safely separate cellulose, plastics, and superabsorbent polymers, producing clean, reusable materials that meet the EU’s End of Waste criteria.
By applying a combination of Rotary Belt Filters (RBFs) and i-Foria’s mechanical separation processes, ICARUS is demonstrating how challenging waste streams can be transformed into valuable resources. The recovered cellulose can be incorporated into concrete, pavements, insulation panels, and agricultural substrates, reducing the reliance on virgin raw materials and minimizing carbon emissions.
This approach also addresses environmental impacts associated with landfilling or incinerating AHPs and reduces energy consumption in wastewater treatment. ICARUS is showing that collaboration between technology providers and industry partners can enable practical, scalable solutions for a circular economy in the European construction sector.
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