Dutch scientists create biological concrete that can regenerate
Bacteria species that react with high pH and water is the basis of the experiment
Home or office renovations are many people's nightmares. But the mess, the mess, the noise and the stress is apparently gone. At least a part of them. Dutch scientists have created a type of concrete that has the ability to “fix” itself.
The product consists of a mixture of bio-concrete and bacteria. Upon coming into contact with water, microorganisms become active and feed on calcium lactate, a substance present in concrete. Calcium, oxygen and carbon dioxide resulting from the diet close small cracks and holes.
However, the biggest challenge was to find a suitable bacteria for the mixture, as it should have the capacity to survive in an environment with high pH, as is the case of concrete, and that could spend a long time dormant. The answer was found in Russia, in lakes that also have a high pH.
Interestingly, the water, which would normally spoil the concrete by bringing harmful chemicals to this item, helps its repair.
To learn more about the curious experiment, visit the Delft University of Technology website.
