By producing oxalic acid domestically, it may be possible to profitably extract rare earth elements in the U.S., which is important for national security, Kawatra said. How a Carbon Dioxide ...

Captured carbon dioxide converts into oxalic acid to process rare earth elements. 25 Feb 2019. 1. Until now, ...

Oxalic acid can also be used to make ethylene glycol, an antifreeze and a precursor to some common plastics. But Bouwman notes that the material is “a long way” from commercial applications.

The process turns the carbon dioxide into a usable byproduct which can be recycled and reused for this purpose multiple times. ... It can also be reduced to oxalic acid and made into antifreeze.

Carbon dioxide is a troublemaker. So it’s a good idea to remove it from power plant emissions — and it may have an extra economic benefit. Until now, carbon dioxide has been dumped in oceans or buried ...

Oxalic acid, or oxalate, is a compound in many plant foods. In large quantities, it can inhibit the absorption of some nutrients. Learn more.