Categories: hopesplans

High Hopes intends to extract atmospheric CO2 with warm air balloons

A German-Israeli startup has selected Earth Day to announce its strategy to establish an adventurous carbon capture plan with balloons. High Hopes considers that its proposed solution will make it simpler, and cheaper, to extract large quantities of CO2 from the atmosphere. The business has only launched a few trial assignments to check its theory up to now, but is adequately encouraged by them to go public with its own idea.

Carbon dioxide freezes, to create dry ice, at minus 78 degrees celsius (-109 fahrenheit), which takes a lot of energy. High Hopes’s founder Eran Oren says that a brighter, more and less energy intensive process can be created if you obtain nature itself to perform most of the job for you.

At particular altitudes, atmospheric temperatures plummet, like at the Tropopause, the boundary between the Troposphere and Stratosphere. The National Weather Service says that average temperatures there fall into an average of minus 60 degrees celsius (-76 fahrenheit).

Oren’s thinking goes that you only have to acquire the CO2 to cool down another couple of degrees and it becomes a solid. That good CO2 is subsequently fed into a pressure vessel (turning into a gas once it warms up) and returned into the floor.

Those stress vessels can then be saved, or passed on to companies which use CO2 within their own processes, such as for agriculture or chemical producers. Hell, you could even market it into dry ice businesses, though that would do nothing for the climate effect of the project.

So far, the business has developed a smaller version of its aerial compressor, and it has sent it into the atmosphere. These initial experiments have used weather balloons, but the hope is that eventually we’ll see custom High Hopes balloons in the air.

Oren is aiming to get a system that will have the ability to pull one metric ton of CO2, per balloon, daily, for a cost that makes it feasible to sell carbon credits. Given that the world currently emits over 117 million tons of CO2 each day, High Hopes is going to need a hell of a lot of balloons.

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