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Cleaner version of diesel that emits far less CO2
Highlights
Researchers from KU Leuven and Utrecht University have discovered a new approach to the production of fuels, which can be used to produce much cleaner diesel. It can quickly be scaled up for industrial use. In 5 to 10 years, we may see the first cars driven by this new clean diesel.
Washington D.C: In an effort to replace pollutant fuels, a team of scientists has come up with a cleaner alternative.Researchers from KU Leuven and Utrecht University have discovered a new approach to the production of fuels, which can be used to produce much cleaner diesel. It can quickly be scaled up for industrial use. In 5 to 10 years, we may see the first cars driven by this new clean diesel.
The production of fuel involves the use of catalysts. These substances trigger the chemical reactions that convert raw material into fuel. In the case of diesel, small catalyst granules are added to the raw material to sufficiently change the molecules of the raw material to produce useable fuel.
Catalysts can have one or more chemical functions. The catalyst that was used for this particular study has two functions, represented by two different materials: a metal (platinum) and a solid-state acid. During the production process for diesel, the molecules bounce to and fro between the metal and the acid. Each time a molecule comes into contact with one of the materials, it changes a little bit. At the end of the process, the molecules are ready to be used for diesel fuel.
The assumption has always been that the metal and the solid-state acid in the catalyst should be as close together as possible. That would speed up the production process by helping the molecules bounce to and fro more quickly. Professor Johan Martens (KU Leuven) and Professor Krijn de Jong (Utrecht University) have now discovered that this assumption is incorrect. If the functions within a catalyst are nanometres apart, the process yields better molecules for cleaner fuel.
The new method can optimise quite a few molecules in diesel. Cars that are driven by this clean diesel would emit far fewer particulates and CO2. The researchers believe that their method can be scaled up for industrial use with relative ease, so the new diesel could be used in cars in 5 to 10 years.
The new technique can be applied to petroleum-based fuels, but also to renewable carbon from biomass.
The study appears in Nature.
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