Why do we need to convert CO2 to CO?
The process in which Carbon dioxide (CO2) is converted to Carbon Monoxide (CO) is referred to as the Electrochemical reduction. This means that the higher form of the elemental gas is subsequently being reduced to a lower form and this process is carried out through chemical reactions. Now the question arises why this conversion or reduction important.
The answer to this question is very simple and reasonable. According to resources, this chemical conversion holds extreme importance and is a topic of interest to the researchers. One of the reasons is that this conversion can help in the generation or production of fuels which are highly in demand.
Conversion of CO2 to CO:
This process was initiated by a group of scientists in Chicago. Through their research works, they found out that the desired conversion of CO2 to CO is possible if water electricity is used. This led to the conclusion that by following such a procedure, such conversions can be done at larger levels which in turn is more profitable.
We know that for any experiment or research to happen, the trial models need to be built at first. This is generally done by the scientists to ensure that there is less chance of any possible discrepancy within the experiment and there are more chances of getting successful outputs. In this case, a similar model was constructed which was a combination of the micro-kinetic model for the dynamics related to the reactions as well as a continuum model which deals with the transport of the elements in the electrolyte.
The primary reason for the construction of this model was to understand how the conversion is taking place using water electricity. However, it is important to analyze the elements involved from their atomic level to the probable behavior in the electrolyte in the continuum state, then only we can chalk down the possible effects of the procedure.
Catalysts are the available tools which facilitate the reaction procedure for the conversion. Gold and silver are the best catalysts in this case, but considering the high price of gold, it is neglected. On the other hand, silver is comparatively cheaper than gold and is easily available.
Two things are extremely important in this case. The first one is that proper analysis of the elements involved must be done to ensure productivity and secondly, in the aqueous solution, hydrogen is mixed with CO and it is difficult to separate them in that state. Thus this separation is done in a state where both of the products are in their gaseous forms.