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    • 10. 发明授权
    • Combination cocurrent and countercurrent staged hydroprocessing with a
vapor stage
    • 组合并流和逆流分级加氢处理与蒸气阶段
    • US6153086A
    • 2000-11-28
    • US73414
    • 1998-05-06
    • Ramesh GuptaHenry JungEdward S. EllisJames J. SchorfheideLarry L. Iaccino
    • Ramesh GuptaHenry JungEdward S. EllisJames J. SchorfheideLarry L. Iaccino
    • C10G65/12C10G45/00C10G47/00C10G65/00C10G65/02C10G69/04C10G69/06
    • C10G65/12C10G65/00C10G69/04C10G69/06C10G2300/202C10G2300/207
    • A hydroprocessing process includes a cocurrent flow liquid reaction stage, a countercurrent flow liquid reaction stage and a vapor reaction stage in which feed components are catalytically hydroprocessed by reacting with hydrogen. Both liquid stages both produce a liquid and a vapor effluent, with the cocurrent stage liquid effluent the feed for the countercurrent stage and the countercurrent stage liquid effluent the hydroprocessed product liquid. Both liquid stage vapor effluents are combined and catalytically reacted with hydrogen in a vapor reaction stage, to form a hydroprocessed vapor. This vapor is cooled to condense and recover a portion of the hydroprocessed hydrocarbonaceous vapor components as additional product liquid. The uncondensed vapor is rich in hydrogen and is cleaned up if necessary, to remove contaminants, and then recycled back into the cocurrent stage as hydrogen-containing treat gas. Fresh hydrogen is introduced into the countercurrent stage and the countercurrent stage effluent contains sufficient, and preferably all of the hydrogen for the vapor stage reaction.
    • 加氢处理方法包括并流流动液体反应阶段,逆流流动反应阶段和蒸气反应阶段,其中进料组分通过与氢反应进行催化加氢处理。 两个液相都产生液体和蒸汽流出物,并流阶段液体流出物是逆流阶段的进料和逆流阶段液体流出加氢产物液体。 两个液相蒸气流出物在蒸气反应阶段中与氢组合并催化反应,形成加氢处理的蒸汽。 将该蒸气冷却以冷凝并回收一部分加氢处理的含烃蒸汽组分作为另外的产物液体。 未冷凝的蒸汽富含氢气,如果需要,将其清除,以除去污染物,然后再循环回到并流阶段作为含氢处理气体。 将新鲜氢气引入逆流阶段,逆流阶段流出物含有足够的,优选全部用于蒸气阶段反应的氢气。