Learn Why The Construction Of The Future Can Start In The Bathroom

Written by Carla Teles

Published on 06/05/2025 at 21:01

Cientistas criaram um novo tipo de concreto usando urina e bactérias. A ideia é ajudar a construção a poluir menos e aproveitar melhor os resíduos.

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German University Develops Bioconcrete That Transforms Human Waste Into Low-Carbon Construction Material

Researchers at the University of Stuttgart are leading an innovative initiative that uses human urine and bacteria to create a more eco-friendly type of concrete. The method, called microbial biomineralization, promises to significantly reduce emissions in the construction industry, one of the most polluting sectors in the world.

Bioconcrete with Urine: A Creative Solution for Sustainable Construction

The construction sector, historically reliant on cement, is about to undergo a radical change. Scientists at the University of Stuttgart in Germany have developed a new approach to producing concrete from the biomineralization of organic waste, specifically urine. The technique is part of the SimBioZe project and combines sand, urea, and bacteria that promote the formation of calcium carbonate, resulting in a solid material similar to natural sandstone.

According to Interesting Engineering, the concrete produced with urine achieved a compressive strength above 50 MPa, surpassing traditional materials used in bioconstructions. With artificial urine, the performance was 20 MPa, and with human urine, it was 5 MPa. Scientists are refining the methodology to achieve ideal levels between 30 and 40 MPa, which are considered suitable for buildings up to three stories.

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Project Invests in Circularity to Minimize Construction Impacts

More than just a laboratory innovation, the German project proposes a sustainable value chain that links sewage, concrete production, and fertilizer generation. The process not only consumes less energy compared to conventional cement but also emits reduced volumes of greenhouse gases. The idea is to close the urban waste cycle, transforming an environmental issue into a construction solution.

As reported by Interesting Engineering, urine can be collected in public places with high foot traffic, such as airports, and sent to specialized facilities for processing. The University of Stuttgart already plans to build a pilot plant at Stuttgart Airport, where it will be possible to test the practical application of bioconcrete on a large scale.

Innovation Could Redefine Sustainability Standards in Construction

The German initiative joins a growing movement of universities and research institutes seeking cleaner and more efficient methods to meet the global demand for construction. Biomineralization had been previously explored by other institutions, but the use of urine as the main agent is a bold advancement. With financial support for a new phase of testing, the SimBioZe project aims to enhance production stability and increase bacterial activity in industrial processes.

The use of bacteria to transform waste into solid materials is not new, but the union of biotechnology and construction opens up new ways to think about the future of cities. The initiative from the University of Stuttgart reinforces how science can be applied in practice to rethink production models and reduce the environmental impacts of critical sectors.

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Learn Why The Construction Of The Future Can Start In The Bathroom

German University Develops Bioconcrete That Transforms Human Waste Into Low-Carbon Construction Material

Bioconcrete with Urine: A Creative Solution for Sustainable Construction

Project Invests in Circularity to Minimize Construction Impacts

Innovation Could Redefine Sustainability Standards in Construction

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Learn Why The Construction Of The Future Can Start In The Bathroom

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Bioconcrete with Urine: A Creative Solution for Sustainable Construction

Project Invests in Circularity to Minimize Construction Impacts

Innovation Could Redefine Sustainability Standards in Construction

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The river that “dies” in the desert never reaches the sea and yet gives life to one of Africa’s largest natural refuges in a truly impressive way.

He transformed an abandoned plastic water tank into an underground house in the “hobbit hole” style, using only repurposed pallet wood, without heavy machinery or expensive labor.

Libya built over 4,000 kilometers of underground pipelines to bring water from the Sahara to coastal cities in a project that the government itself called the Eighth Wonder of the World.

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