Production of high-octane gasoline formulated with bioethanol

The production of biofuels and oxygenates is one of the key directions of scientific research aimed at improving biomass conversion technologies, developing new types of biofuels, and enhancing the properties of existing fuels.Considering the growing demand for sustainable energy sources, global efforts are focused on optimizing biofuel production and incorporating oxygencontaining additives to increase the knock resistance of motor gasolines.Worldwide, intensive research is being conducted on the production of biofuels and the improvement of their physicochemical properties, as well as on enhancing the detonation resistance of conventional gasolines through the use of oxygenated additives.The import of additives that improve the knock resistance of gasoline leads to an increase in its production cost.During the processing of conventional sugarcane to obtain bioethanol and its subsequent addition to gasoline A-80, it was found that a 1% addition of bioethanol increases the octane number by 1.7 points, while a 10% addition results in an increase of 7.1 points.Based on gasoline A-80 and bioethanol, a sample of E8 gasoline was obtained, exhibiting an octane number of 86.6 and an induction period of 468 min.The results of the study demonstrated that E8 gasoline, produced from locally refined A-80 gasoline and bioethanol, fully complies with modern environmental standards and exhibits improved physicochemical and ecological properties

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