A team of scientists from Nanyang Technological University, Singapore (NTU Singapore) has developed a method of 3D printing that can also capture carbon dioxide and store it in concrete.
The process involves injecting carbon dioxide and steam into mixing cement, which is then used in a 3D printer to build structures. For this method, the team sourced both the steam and the carbon dioxide as byproducts of industrial processes. The 3D printer was connected to a steam jet and carbon dioxide pumps in order to incorporate these elements into the mixing concrete.
“The building and construction sector causes a significant portion of global greenhouse gas emissions. Our newly developed 3D concrete printing system offers a carbon reducing alternative by not only improving the mechanical properties of concrete but also contributing to reducing the sector’s environmental impact,” Tan Ming Jen, principal investigator of the study and professor at NTU’s School of …