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London and Seoul based designer Kukbong Kim developed a paint made from waste concrete powder, leftover from recycling concrete, which actively captures and stores CO2, Material District reports. The paint is named Celour.
Editorial office / London

Cement is not an environmentally friendly material. It is the ingredient in concrete which causes its enormous carbon footprint. Surprisingly, the cement ingredients in waste concrete powder are capable to capture and store carbon dioxide by mineral carbonation. This is a coercion in which the CaO (calcium oxide) component inside the powder reacts with CO2 to form CaCO3 (calcium carbonate). Compared to other carbon capture storage methods, mineral carbonation stores CO2 in a stable form for a long time. If 135 g of Celour is fully carbonated, it sequesters 27 g op CO2, the same amount of what a tree absorbs per day.

See the website of Material District and/or Kukbong Kim for more information.

Image: Kukbong Kim