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    • 5. 发明申请
    • PROCESS FOR THE HYDROTREATMENT OF A GAS OIL IN A SERIES OF REACTORS WITH RECYCLING OF HYDROGEN
    • 一系列反应器中氢气回收氢气加氢过程
    • US20170029723A1
    • 2017-02-02
    • US15039878
    • 2014-11-06
    • IFP ENERGIES NOUVELLES
    • Frederic BAZER-BACHILuis Carlos PEREIRA DE OLIVEIRAMatthieu DREILLARDAnne Claire PIERRON
    • C10G65/08
    • C10G65/08C10G45/02C10G45/08C10G65/16C10G70/06C10G2300/202C10G2300/207C10G2400/02C10G2400/04
    • Process for hydrotreatment of hydrocarbon-containing feedstock comprising sulphur- and nitrogen-containing compounds, comprising: a) separating the feedstock into heavy and light fractions, b) a first hydrotreatment stage wherein the heavy fraction and hydrogen are contacted with a first hydrotreatment catalyst Z1 to produce a first desulphurized effluent, c) separating the first effluent into a first gaseous fraction and a first liquid fraction, d) purifying the first gaseous fraction to produce a hydrogen-rich flow, e) mixing the light fraction with the first liquid fraction to produce a mixture, f) a second hydrotreatment stage wherein the mixture from stage e) and the hydrogen-rich flow from stage d) are contacted with a second hydrotreatment catalyst Z2 to produce a second desulphurized effluent, g) separating the second effluent into a second gaseous fraction and a second liquid fraction, h) recycling at least part of the second gaseous fraction to b) as a flow of hydrogen.
    • 本发明涉及一种用于加氢处理包含硫和氮化合物的烃原料的方法,其包括以下步骤:a)将烃原料分离成重馏分和轻馏分; b)通过将重馏分和氢气流与第一加氢处理催化剂Z1接触来进行第一加氢处理步骤,以产生包含氢气,H 2 S和NH 3的第一脱硫流出物; c)将第一流出物分离成包含氢气,H 2 S和NH 3的第一气体馏分和第一液体馏分; d)纯化第一气体馏分以产生富氢流; e)将轻馏分与步骤c)中获得的第一液体馏分混合以产生混合物; f)通过将步骤e)中获得的混合物和步骤d)中产生的富氢料流与第二加氢处理催化剂Z2接触来进行第二加氢处理步骤,以产生包含氢气,NH 3和H 2 S的第二脱硫流出物; g)将第二流出物分离成包含氢气,H 2 S和NH 3的第二气体馏分和第二液体馏分; 和h)将第二气态馏分的至少一部分再循环到步骤b)作为氢气流。