Exploration of the Process for Producing Jet Fuel through Coal Tar Hydrogenation
Taking the purified coal tar from a certain enterprise in Xinjiang as raw material,hydrogenation experiments were carried out in a fixed bed pilot plant under the conditions of 16.0 MPa pressure,365℃temperature,0.6 h-1 space velocity and 1000 volume ratio of hydrogen to oil in refining section,and 16.0 MPa pressure,370℃temperature,1.0 h-1 space velocity and 1000 volume ratio of hydrogen to oil in hydro-improving section.The results showed that after hydrofining and upgrading,the distillation range of purified coal tar feedstock moved forward obviously,the carbon-hydrogen ratio of the product decreased obviously,the saturated hydrocarbon content increased obviously,the aromatic hydrocarbon content decreased obviously,and the gelatine was completely converted into conventional oil components.The jet fuel fractions at 130～285℃met No.3 jet fuel standard in the national standard(GB 6537-2018).
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