The problem with burning fossil fuels in automobiles is that when the fuel burns, carbon dioxide is generated and released into the air, causing pollution. Researchers are studying synthetic fuels, which are called carbon-neutral fuels and are good for the environment. Recently, chemists engaged in synthetic fuel research have made major breakthroughs.
This breakthrough is an efficient catalyst for converting dissolved carbon dioxide into carbon monoxide. Carbon monoxide is the basic component of synthetic fuels, plastics and other materials. The researchers say that their new process is as efficient as the previous technology, but has one major benefit. In the past, catalysts used precious metal atoms, such as gold. The new catalyst replaced iron with iron as the catalyst. Researcher Professor Xile Hu said that at very low currents, the CO2 conversion rate of iron in the new process is about 90%. This means that its catalytic performance is comparable to that of precious metal catalysts.
The new catalyst has such a high CO conversion rate because iron atoms are relatively stable. Scientists point out that their ongoing work is still very experimental. However, they said that this work paved the way for new applications in the future. At present, most of the CO required for the manufacture of synthetic fuels is obtained from petroleum.
Recovering the CO produced by burning fossil fuels helps to conserve resources and limit the production of carbon dioxide. The team said that the process could also be combined with battery and hydrogen production technologies to convert remaining renewable energy into products to fill the gap when demand exceeds supply. The researchers did not give a timetable for this commercial application.
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