Share this page Project Wastewater to bio-composites Circularity in Urban Regions Amsterdam’s wastewater can be used as feedstock for producing high-value bio-composites, which can be applied in transport, building or other urban sectors. As such, these composites contribute to a more circular urban society. Project Wastewater to bio-composites Circularity in Urban Regions Amsterdam’s wastewater can be used as feedstock for producing high-value bio-composites, which can be applied in transport, building or other urban sectors. As such, these composites contribute to a more circular urban society. Project Wastewater to bio-composites Circularity in Urban Regions Amsterdam’s wastewater can be used as feedstock for producing high-value bio-composites, which can be applied in transport, building or other urban sectors. As such, these composites contribute to a more circular urban society.