Newly Developed System To Remove The Carbon Dioxide From Air by Researchers

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, Newly Developed System To Remove The Carbon Dioxide From Air by Researchers

The Massachusetts Institute of Technology has developed a new weapon in the fight against climate change.

Scientists have created a new system that could remove carbon dioxide from a stream of air that can work at almost any concentration level, from power plant release to open air, according to Massachusetts Institute Technology News.

MIT said this new system requires less energy and less money to operate compared to the other methods, which require higher concentrations like those found that the flue emissions from fossil fuel-based power plants.

The new device at the heart of the system behaves like a large battery. It absorbs CO2 from a gas stream that passes over its electrodes as it is being charged up. Then the device blows out the pure carbon dioxide as it discharges.

, Newly Developed System To Remove The Carbon Dioxide From Air by Researchers
Newly Developed System To Remove The Carbon Dioxide From Air by Researchers

The system’s inner-workings are detailed further by the researchers — MIT postdoc Sahag Voskian and professor T. Alan Hatton — in a paper called Faradaic Electro-swing Reactive Adsorption for CO2 Capture, which was published this month in the journal Energy and Environmental Science.

The researchers are striving to develop new technologies to tackle a range of environmental issues avoid the need for thermal energy sources, changes in system pressure or addition of chemicals to complete the separation & release cycles.

This co2 capture technology is a clear demonstration of the power of electrochemical approaches that require less amount of voltage to drive the separations, he added.
The device operates at room temperature and normal air pressure.

Sahag Voskian also said that the advantage of this technology over most other
carbon capture technologies is the binary nature of the adsorbent’s affinity to
co2. He also said that the new system is energy efficient compared to other
methods.

While operating, the device alternates between charging & discharging. During
a charging cycle, fresh air blows through the system and during discharging,
concentrated CO2 blows through.

The MIT team has launched a company called Vertex to commercialize the
the system, which could have applications for the bottling of soft drinks & the
creation of plant food.

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