A new system has been developed by the team of researchers that has the potential to be used in converting power plants emissions like carbon dioxide into a useful source of fuel for cars, trucks, and planes etc. Along with this, it is very useful in chemical feedstocks for a broad variety of products.
This system is based on the new membrane and it has been published in many journals and newspapers. This membrane has been made of a compound like lanthanum, calcium and iron oxide etc which allow oxygen to migrate through the other side from a stream of carbon dioxide with leaving carbon monoxide behind.
Other compounds such as mixed ionic-electronic conductors are in consideration by the researchers to be used in multiple applications which includes oxygen and hydrogen production. Carbon monoxide which has been produced during this process can be treated as a fuel for itself or in order to make many other liquid hydrocarbon fuels, it can be combined with hydrogen or water along with chemical including methanol, syngas and many more.
This process can also become the part of the suite of technologies which is known as carbon capture, utilization, and storage. This process is able to decrease the impact of fossil fuel use on global warming if applied to electricity production. According to the researchers, the membrane with a structure is 100 percent selective for oxygen and allowing only those atoms to pass.
The separation has been driven by temperatures of higher degrees Celsius and keeping the oxygen which separates from carbon dioxide flowing with the help of the membrane until it reaches the other side, is the key for making the process work. This can be done with creating a vacuum on the side of the membrane and opposite the carbon dioxide stream but in order to maintain, it would require a lot of energy. A stream of fuel has been used by the researchers in place of a vacuum for example: hydrogen or methane.
These materials will actually draw the oxygen atoms with the help of the membrane without requiring a pressure difference as they have so readily oxidized. This membrane is also helpful in preventing the oxygen from migrating back as well as recombining with the carbon monoxide in order to form carbon dioxide all over again.