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    • 1. 发明授权
    • Process for converting heavy crude oil fractions, comprising an
ebullating bed conversion step and a hydrocracking step
    • 用于转化重质原油馏分的方法,包括沸腾床转化步骤和加氢裂化步骤
    • US6153087A
    • 2000-11-28
    • US103526
    • 1998-06-24
    • Pierre-Henri BigeardFrederic MorelChristophe GueretPatrick BriotPierre Marion
    • Pierre-Henri BigeardFrederic MorelChristophe GueretPatrick BriotPierre Marion
    • C10G65/12C10G69/02
    • C10G65/12
    • A process for converting a hydrocarbon fraction comprises a step a) for treating a hydrocarbon feed in the presence of hydrogen in at least one three-phase reactor, containing at least one hydrotreatment catalyst in an ebullating bed, operating in riser mode of liquid and of gas, the reactor comprising at least one means located close to the bottom of the reactor for extracting catalyst from the reactor and at least one means located close to the top of the reactor for adding fresh catalyst to the reactor, a step b) for treating at least a portion of the effluent from step a) in the presence of hydrogen in at least one reactor containing at least one hydrocracking catalyst in a fixed bed under conditions for producing an effluent with a reduced sulphur content, and a step c) in which at least a portion of the product from step b) is sent to a distillation zone from which a gaseous fraction, a gasoline type engine fuel fraction, a diesel type engine fuel fraction and a liquid fraction which is heavier than the diesel type fraction are recovered. The process can also comprise a step d) for catalytic cracking of the heavy fraction obtained from step c).
    • 用于转化烃馏分的方法包括步骤a),用于在至少一个三相反应器中在氢气存在下处理烃进料,所述三相反应器在沸腾床中含有至少一种加氢处理催化剂,以液体的立管模式运行, 气体,反应器包括靠近反应器底部的至少一个装置,用于从反应器中提取催化剂和位于反应器顶部附近的至少一个装置,用于向反应器中加入新鲜的催化剂; b)用于处理 在步骤a)的至少一部分流出物在至少一个包含至少一个加氢裂化催化剂的反应器中的反应器中,在固定床中,用于生产具有降低的硫含量的流出物的条件下,步骤c),其中 将来自步骤b)的产物的至少一部分送至蒸馏区,从该蒸馏区中将气态馏分,汽油型发动机燃料馏分,柴油型发动机燃料馏分和液体馏分w 比重柴油型馏分回收重。 该方法还可以包括步骤d)用于从步骤c)获得的重馏分的催化裂化。