United Circles

COLLABORATIVE URBAN AND INDUSTRIAL SYSTEMS TO RECYCLE WASTE AND RESIDUES INTO VALUE-ADDED PRODUCTS.

Reducing global warming is a priority that we must urgently address and one of the pressing issues facing humanity is how to manage the waste we generate. In response to this challenge, United Circles will demonstrate, with 46 partners in 14 countries and one international body, how cities and industries can work together to recycle waste into value-added products, goals that offer a perspective that will curb the increase in waste and increase substantial mitigation of climate change.

About United Circles

Project's main objectives

  • To connect urban and industrial systems to convert ‘zero waste’ cities and ‘decarbonised’ industries that foster sustainable growth and support collaborative and resilient communities, towards a waste-free future with closed resource and energy loops.
  • Demonstrate three industrial-urban symbiosis value chains for recycling urban food waste, urban solid wastewater and urban construction and demolition waste.

Specific objectives and technological applications

Technological Objectives

  • Expand integrated demonstration technologies to higher TRL levels that provide new industries that impact collection, sorting and reuse for the production of new recycled products.
  • Close urban and industrial water loops to reduce freshwater use in drought-prone regions and integrate combined heat and power technology into recycling pathways.
  • Enable zero-waste cities and decarbonised process industry by advancing innovative technologies in combined integrated value chains.
  • Sustain the governance and evolution of their ‘Industrial-Urban’ networks using advanced governance frameworks, feasibility towards financing methodologies, digital tools, social and environmental innovations, and a materials and products observatory.
  • Implement new sustainable processes for the recycling of new fully biodegradable and food waste sourced bioplastic products for the complete substitution of fossil fuels.

Impacts

  • To provide a circular economy model through new sustainable waste prevention and management measures that generate socio-economic improvements in the communities involved.
  • Generate economic growth through efficient business practices and waste reconversion for a clean and affordable future.
  • Minimise harmful effects on human health and the environment by eliminating dumping and open burning of chemicals and wastes through prevention, reduction, recycling and reuse of highly polluting wastes.
  • Strengthen technologies to achieve higher levels of economic productivity and reduce food waste along production and supply chains towards a more sustainable consumption and production distribution model.
  • Recover energies and materials through new alternative industries and promote innovative technology loops integrating combined value chains to enable zero waste cities and a decarbonised process industry.
  • Prevent and reduce water pollution to ensure greater efficiency in consumption and resource management, and promote sustainable, clean and rational infrastructures and industries.
  • Mitigate greenhouse gas emissions and contribute to the achievement of the SDGs through the recycling of municipal food waste, municipal solid wastewater and municipal construction and demolition waste.

(1) United Nations Environment Programme (2024). Executive summary of ‘Global Waste Management Outlook 2024. The End of the Waste Era: Turning Waste into Resources’. Nairobi. https://wedocs.unep.org/20.500.11822/44992 URL: https://www.unep.org/es/resources/perspectivamundial-de-la-gestion-de-residuos-2024

Urban Construction & Demolition Waste

Urban Waste Water

Urban Food Waste

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