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Excerpt from www.sciencedaily.com
Various forms of underground activity, such as deep wells or the disposal of hazardous materials, require the long-term sealing of rocks. A team of researchers has developed an innovative method based on fossilization processes to seal cracks and fractures in rock using a “concretion-forming resin.” The results were published in Communications Engineering.
The underground disposal of pollutants, such as radioactive waste and carbon dioxide, poses unique challenges. To avoid their release, it is necessary to seal the shafts and boreholes used for investigations and ensure that there are no leaks from the rock for long periods of time. Unfortunately, current cement-based sealing materials do not offer long-term functionality and durability. Especially in earthquake-prone countries, such as Japan, this may cause future complications, such as leaks.
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