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GreenCap Solutions AS
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  5. GreenCap - CO2 Free Air Technology

GreenCap - CO2 Free Air Technology

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GreenCap's innovative CO2 free air technology efficiently removes CO2 from air utilizing a direct air capture process. This system employs zeolite as a powerful CO2 adsorbent to deliver air with extremely low CO2 levels, specifically under 10 ppm, ideal for applications requiring stringent air purity such as battery manufacturing. The technology operates through a dual sorbent bed system, alternating between adsorption and desorption phases to achieve continuous purification. It does not rely on chemical processes, enhancing its appeal for environmentally sensitive setups. Its unique capability to reduce residual CO2 to less than 0.5 ppm far surpasses industry standards and positions it ahead of competitors struggling to reach less than 20 ppm.
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In some cases, battery production requires dehydrated and nearly CO2 free air. GCS has developed a new application for delivering nearly CO2-free air.

GCS’ contribution is to remove CO2 from air that has been dehydrated by others, using two sorbent beds operating alternately in adsorption and desorption mode as shown in the figure to the right.

The product after adsorption has an extremely low residual CO2 content of <0.5 ppm. The minimum requirement for battery production is <10 ppm, and known competitors have problems reaching <20 ppm. The desorption step is accomplished using treated and heated air to regenerate the adsorbent bed and recover the adsorbed CO2.