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Steel-Built Carbon Capture Machines are removing CO2 from the air

Steel News - Published on Fri, 07 Feb 2020

Image Source: Climeworks CO2 Capture
The Climeworks project has set up a carbon capture and storage facility at a remote site in Iceland that is drawing CO2 from the atmosphere and safely storing it in the ground. While the planet is increasingly transitioning away from fossil fuels, there remains the problem of what to do about the increased levels of CO2 already present in the earth’s atmosphere. The search for workable decarbonisation tech has been ongoing for some time and the engineers at Climeworks have come up with a potentially workable solution. Indeed, the company is the first to operate a commercial carbon capture programme from ambient air, and steel is central to the technology’s design.

The remote nature of Climeworks’ site locations and the extreme weather and natural wear from the process of carbon capture make steels perfect for the job due to their endurance and corrosion resistance. The huge machines which perform the carbon capture process resemble jet engines and use steel and stainless steel throughout their structure. The remote nature of Climeworks’ site locations and the extreme weather and natural wear from the process of carbon capture make steels perfect for the job due to their endurance and corrosion resistance.

The CO2 collectors have been through many design stages to reach their current iteration, but the model in operation relies on massive fans to draw ambient air through the collector. This air is then filtered to remove CO2 as the molecules adhere to a specialised material contained within.

Once the filter is saturated with carbon dioxide, the collector is sealed and heated to around 100 degrees centigrade, causing the CO2 molecules to detach and be collected in a container. This concentrated CO2 can then be put to use in the commercial sector or seeded deep underground, locking it away.

The gas can be employed in an array of sectors, included carbonated beverages and agriculture. Climeworks’ leading facility in Switzerland pipes CO2 to a nearby greenhouse and the company also has a deal in place with Coca-Cola.

Source :

Posted By : Yogender Pancholi on Fri, 07 Feb 2020
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