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GASOLINE DESULFURIZATION METHOD COMPRISING ADSORPTION DESULFURIZATION OF THE LIGHT FRACTION AND HYDRODESULFURIZATION OF THE HEAVY FRACTION
GASOLINE DESULFURIZATION METHOD COMPRISING ADSORPTION DESULFURIZATION OF THE LIGHT FRACTION AND HYDRODESULFURIZATION OF THE HEAVY FRACTION
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机译:包括轻馏分的吸附脱硫和重馏分的加氢脱硫的汽油脱硫方法
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摘要
The invention relates to a process for the desulfurization of gasolines comprising a stage for fractionation of said gasoline into a light fraction that comprises thiophenic compounds such as thiophene or methylthiophenes, and a heavy fraction that concentrates the heaviest aromatic sulfur-containing compounds. The heavy fraction is treated by hydrodesulfurization, while the light fraction is brought into contact with a solid adsorbent that makes it possible to eliminate at least partially said light thiophenic compounds, whereby said adsorbent solid is regenerated by a flow internal to the process.
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