New device captures carbon dioxide by pumping it across a battery

Air purifiers New device captures carbon dioxide by pumping it across a battery The design requires less energy to capture CO 2 than current systems.

18 Credit: MirageC Credit: MirageC Text settings Story text Size Small Standard Large Width * Standard Wide Links Standard Orange * Subscribers only Learn more Minimize to nav Equipment to capture carbon dioxide from ambient air or smokestacks generally works through a sort of reversible filter. Air is passed through granules or a liquid that absorbs the CO 2 , then that CO 2 -loaded substance undergoes a process (usually heating) that causes it to let go of all that CO 2 . The resulting gas can be collected in a separated stream.