Combined Use of CO2-SUICOM® and DAC to Help Realize a Carbon Neutral Societ

Kawasaki Heavy Industries,  and Kajima Corporation  announced today their launch of joint research operations for purposes of utilizing Kawasaki CO₂ Capture  technology for Direct Air Capture  in the production of CO₂-SUICOM carbon-negative concrete developed by Kajima and others.

KCC for DAC is a technology developed by Kawasaki that directly captures CO₂ in the air. It combines a porous material optimized for CO₂ adsorption and an amine compound to realize a solid adsorbent which captures airborne CO₂.
CO₂-SUICOM, developed by Kajima and others, is a technology that absorbs CO₂ during concrete production in order to realize net-zero CO₂ emissions for this process. Carbonation curing*¹ is carried out in manufacturing plants for precast concrete products, at which time CO₂ is absorbed in concrete. However, the CO₂ they use for carbonation curing is currently purchased from industrial gas producers, which represents a major obstacle to the wider application of CO₂-SUICOM technology for reasons related to CO₂procurement. As a means of overcoming this and securing timely deliveries of CO₂ in any necessary location, Kajima has turned to Kawasaki’s DAC and the company’s decades of experience in the field as part of a joint research project by both companies.

By combining Kawasaki’s cutting-edge DAC technology with CO₂-SUICOM to realize CCU,*² they can make major contributions toward the realization of a carbon-neutral society.
Moving forward, Kawasaki and Kajima will deliberate on ways of incorporating DAC equipment into precast concrete plants and pursue verification testing through CO₂-SUICOM production operations.