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ADSORPTION DESULFURIZATION AGENT FOR DESULFURIZING PETROLEUM FRACTION AND DESULFURIZATION METHOD USING THE SAME
ADSORPTION DESULFURIZATION AGENT FOR DESULFURIZING PETROLEUM FRACTION AND DESULFURIZATION METHOD USING THE SAME
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机译：一种用于石油馏分脱硫的吸附脱硫剂及使用该脱硫剂的脱硫方法
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摘要
A desulfurization method for a gas oil which includes a step of removing sulfur compounds contained in a gas oil distillate product by the adsorption with an adsorptive desulfurization agent formed of a fibrous active carbon and provided in an adsorption tower (1), and a desorption regeneration step of washing the used adsorptive desulfurization agent with an aromatic solvent to regenerate the desulfurization agent. The method allows the production of gas oil being satisfactorily freed of sulfur content at relatively low equipment and operation costs over a long period of time, and in the method, difficult-to-remove sulfur compounds, such as 4, 6-DMDBT, and polycyclic aromatic compounds having two or more rings are selectively removed.
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