SciTransfer
United Circles · Project

Turning Urban Waste into Construction Materials, Bioplastics, and Industrial Energy

environmentTestedTRL 7

Imagine a city where nothing is wasted. Old buildings are ground up to 3D print new ones, sewage plants act like mines for energy and fertilizer, and used cooking oil is turned into plastic that actually disappears in nature. It is like creating a giant loop where one industry's trash becomes another's treasure.

By the numbers
45
partners
15
countries
2
storey 3D printed building
53%
industry ratio
The business problem

What needed solving

Cities struggle with massive amounts of construction debris, food waste, and wastewater that end up in landfills. Meanwhile, industries face high costs for raw materials and pressure to decarbonize.

The solution

What was built

Three industrial-urban value chain demonstrators that convert waste into 3D-printed buildings, biodegradable plastics, and grid-ready gas.

Audience

Who needs this

Waste management companies3D construction firmsBioplastic manufacturersMunicipal wastewater operatorsPulp and paper mills
Business applications

Who can put this to work

Construction
any
Target: 3D Printing Construction Firm

If you are a construction firm dealing with high carbon footprints and waste disposal costs — this project developed a way to turn demolition waste into low-carbon cement and insulation for 2 storey 3D printed buildings.

Packaging
SME
Target: Bioplastic Manufacturer

If you are a packaging company dealing with fossil fuel dependence — this project developed a 2nd generation biorefinery that turns used cooking oil into fully biodegradable bioplastics.

Water Management
enterprise
Target: Wastewater Treatment Plant Operator

If you are a plant operator dealing with waste sludge and high energy costs — this project developed a resource recovery system that produces gas for the grid, cellulose for paper mills, and fertilizer for farms.

Frequently asked

Quick answers

What is the estimated cost or price of these technologies?

Based on available project data, specific pricing or cost figures are not provided; however, the project focuses on feasibility towards financing methodologies.

Can these solutions be scaled to an industrial level?

Yes, the project aims to advance technologies from TRL5 to TRL7 through three industrial-urban symbiosis value chain demonstrators.

How is the IP and licensing handled for the new bioplastics?

Based on available project data, specific licensing terms are not listed, but the project involves 45 partners including 24 industry players.

What is the timeline for deployment?

The project runs from 2024-11-01 to 2028-10-31, indicating a four-year development and demonstration window.

How do these systems integrate with existing city grids?

The project demonstrates integration by supplying high quality gas directly to the local gas grid and providing water and fertilizer to agriculture.

Consortium

Who built it

The consortium is heavily weighted toward commercial application, with 24 industry partners (53% of the group) and 14 SMEs. This high industry presence, spanning 15 countries, suggests a strong focus on market viability and practical deployment rather than purely academic research.

How to reach the team

Contact FUNDACION CARTIF in Spain for partnership opportunities.

Next steps

Talk to the team behind this work.

Contact us to connect with the 24 industry partners leading these circular value chains.

More in Environment & Climate
See all Environment & Climate projects