Carbon dioxide was turned into coal. Free Technical Library News

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Carbon dioxide turned into coal

27.02.2019

Researchers at the Royal Melbourne University of Technology (RMIT) have learned how to turn carbon dioxide into particulate carbon.

Technologies already exist to convert CO2 into a liquid that can be stored underground. But this method has significant disadvantages: high transportation costs and the risk of liquid leakage from storage facilities. Turning carbon dioxide into a solid is a much safer and more environmentally friendly approach. However, this was previously only possible at extremely high temperatures.

Now, using liquid metals as a catalyst, scientists have been able to turn carbon dioxide back into coal at room temperature. This is the first step towards developing a reliable and efficient way to cleanse the atmosphere of one of the main greenhouse gases responsible for global warming.

"While we can't literally turn back time, turning carbon dioxide back into coal and burying it in the ground is a kind of rewinding of the climate clock," the scientists say.

They note that the by-product of this process is a synthetic fuel that can be used in industry.

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The automatic winding is powered by a 4,25-gram platinum ingot, which moves back and forth with the movements of the wrist and, with its serrated side, winds four springs through the straps. To make all this machinery visible, the dial is kept to a minimum, and the back of the watch is made transparent.

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